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1 | Strand | Topic | URL | Verb | Production | Instances | Prompt | |||||||||||||||||||||

2 | Numbers and Operation | Converting decimals to fractions 2 | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/converting_decimals_to_fractions_2 | Express | A number | 5 | "Express 0.0484 as a fraction." Too easily pattern-matched. Every fraction is a ten thousandth. | |||||||||||||||||||||

3 | Numbers and Operation | Writing fractions as repeating decimals | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/writing-fractions-as-repeating-decimals | Calculate | Multiple choice response | 4 | "Express the rational number â€‹27 â€‹ â€‹19 â€‹â€‹ as a terminating decimal or a decimal that eventually repeats. If necessary, include 6 digits to the right of the decimal point in your answer. Do not round. If this is a repeating decimal, enter in the part that repeats. If this is a terminating decimal, enter 0. (For example, for 1. â€‹031 â€‹â€‹ you would enter 031, and for 1.57 you would enter 0.)" Really, really confusing inputs. At least it shows negative (non-repeating) cases. | |||||||||||||||||||||

4 | Numbers and Operation | Writing fractions as repeating decimals | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/writing-fractions-as-repeating-decimals | Analyze | Multiple choice response | 1 | "What can we say about this number?" | |||||||||||||||||||||

5 | Numbers and Operation | Converting 1-digit repeating decimals to fractions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/converting_repeating_decimals_to_fractions_1 | Rewrite | A number | 5 | "Rewrite as a simplified fraction." | |||||||||||||||||||||

6 | Numbers and Operation | Converting multi-digit repeating decimals to fractions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/converting_repeating_decimals_to_fractions_2 | Rewrite | A number | 5 | "Rewrite as a simplified fraction." | |||||||||||||||||||||

7 | Numbers and Operation | Recognizing rational and irrational numbers | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/recognizing-rational-and-irrational-numbers | Analyze | Multiple choice response | 5 | "Indicate whether each number is rational or irrational." Selection options for "rational" and "irrational." | |||||||||||||||||||||

8 | Numbers and Operation | Approximating irrational numbers | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/approximating-irrational-numbers | Calculate | An ordering | 1 | "Without using a calculator, put the numbers in order from least to greatest." | |||||||||||||||||||||

9 | Numbers and Operation | Approximating irrational numbers | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/approximating-irrational-numbers | Calculate | A number | 2 | "sqrt(pi/2) is between which two consecutive integers." | |||||||||||||||||||||

10 | Numbers and Operation | Approximating irrational numbers | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/e/approximating-irrational-numbers | Estimate | Multiple choice response | 2 | "On the number line below, which point more closely represents sqrt(51)?" Two points given. | |||||||||||||||||||||

11 | Numbers and Operation | Positive and zero exponents with positive and negative bases | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-pos-neg-exponents/e/exponents_1 | Calculate | A number | 5 | "395^0 = " | |||||||||||||||||||||

12 | Numbers and Operation | Positive and negative exponents | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-pos-neg-exponents/e/exponents_2 | Calculate | A number | 5 | "(9/7)^(-1) = " | |||||||||||||||||||||

13 | Numbers and Operation | Using exponent rules to evaluate expressions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/e/exponent_rules | Rewrite | A number | 5 | "Rewrite ((7 â€‹âˆ’8 â€‹â€‹ )(3 â€‹9 â€‹â€‹ )) â€‹âˆ’8 â€‹â€‹ in the form 7 â€‹n â€‹â€‹ Ã—3 â€‹m â€‹â€‹ ." | |||||||||||||||||||||

14 | Numbers and Operation | Properties of exponents | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/e/properties-of-integer-exponents | Analyze | Multiple choice response | 4 | "Select all that apply." This one is very interesting. Challenging in a non-routine way. | |||||||||||||||||||||

15 | Numbers and Operation | Properties of exponents | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/e/properties-of-integer-exponents | Calculate | A number | 1 | "Write [exponent expression] in the form of [simplifiied exponent expression]." | |||||||||||||||||||||

16 | Numbers and Operation | Square roots of perfect squares | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-roots/e/square_roots | Calculate | A number | 5 | "Sqrt(16) = " | |||||||||||||||||||||

17 | Numbers and Operation | Cube roots | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-roots/e/cube_roots | Calculate | A number | 5 | "27^(1/3) = " | |||||||||||||||||||||

18 | Numbers and Operation | Orders of Magnitude | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude | Calculate | A number | 1 | "3Ã—10^9 is 30,000 times as large as what number?" Very strange assessment IMO. | |||||||||||||||||||||

19 | Numbers and Operation | Orders of Magnitude | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude | Calculate | A number | 1 | "Estimate the distance between Earth and the sun by writing it in the form of xâ‹…10^y miles, where x and y are single-digit numbers." There is a single, correct, calculated answer. | |||||||||||||||||||||

20 | Numbers and Operation | Orders of Magnitude | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude | Calculate | A number | 2 | "How many times as large is [sci notation] than [sci notation]?" These questions are bothering me. | |||||||||||||||||||||

21 | Numbers and Operation | Orders of Magnitude | Calculate | A number | 1 | "4Ã—10^5 is 200 times as large as what number?" | ||||||||||||||||||||||

22 | Numbers and Operation | Scientific notation intuition | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation/e/scientific_notation_intuition | Express | An ordering | 5 | "Express the top number in scientific notation by dragging the decimal in the bottom number:" You drag the decimal point just before the last digit (for numbers > 1) and after the first digit (for numbers < 1). This definition of "scientific notation" conflicts with the last. Here three digits follow the decimal point. Earlier, there were no digits after the decimal point. This sets you up poorly for the next section where you have to write the notation from scratch. | |||||||||||||||||||||

23 | Numbers and Operation | Scientific notation intuition | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation/e/scientific_notation | Express | A number | 5 | "Express a number in scientific notation." Turn scientific notation into standard notation and vice versa. Three digit convention used. | |||||||||||||||||||||

24 | Numbers and Operation | Multiplying and dividing scientific notation | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation-compu/e/multiplying_and_dividing_scientific_notation | Express | A number | 5 | "Express this product in scientific notation: (3.50Ã—10 â€‹4 â€‹â€‹ )Ã—(2.00Ã—10 â€‹3 â€‹â€‹ )." Two digit scientific notation convention here. | |||||||||||||||||||||

25 | Numbers and Operation | Computing in scientific notation | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation-compu/e/computing-in-scientific-notation | Calculate | A number | 3 | "What is the density of the Earth in kilograms per cubic meter? Write your answer in scientific notation, and round to two decimal places" | |||||||||||||||||||||

26 | Solving Equations | Equations with variables on both sides | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/cc-8th-linear-equations/e/linear_equations_3 | Solve | A number | 5 | "Solve for x: 3x+5=5x+9" | |||||||||||||||||||||

27 | Solving Equations | Multi-step equations with distribution | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/cc-8th-equations-distribution/e/multistep_equations_with_distribution | Solve | A number | 3 | "Solve for p: â€‹3 â€‹ â€‹28 â€‹â€‹ +p= â€‹3 â€‹ â€‹p â€‹â€‹ âˆ’ â€‹3 â€‹ â€‹1 â€‹â€‹ (10pâˆ’4)" | |||||||||||||||||||||

28 | Solving Equations | Linear equations with one, zero, or infinite solutions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/cc-8th-equation-solutions/e/solutions-to-linear-equations | Construct | Multiple choice response | 2 | "Which of the following values of a will result in a linear equation with no solutions?" | |||||||||||||||||||||

29 | Solving Equations | Linear equations with one, zero, or infinite solutions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/cc-8th-equation-solutions/e/solutions-to-linear-equations | Analyze | Multiple choice response | 3 | "How many solutions does this equation have?" | |||||||||||||||||||||

30 | Solving Equations | Equation practice: summing integers | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/cc-8th-age-word-problems/e/integer_sums | Calculate | A number | 3 | "What is the fifth number in this sequence?" | |||||||||||||||||||||

31 | Solving Equations | Age word problems | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/cc-8th-age-word-problems/e/age_word_problems | Calculate | A number | 3 | "How old is William?" | |||||||||||||||||||||

32 | Relationships and Functions | Rates and proportional relationships | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-graphing-prop-rel/e/comparing-proportional-relationships | Analyze | Multiple choice response | 5 | "Which storeâ€™s sale is better?" | |||||||||||||||||||||

33 | Relationships and Functions | Graphing proportional relationships | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-graphing-prop-rel/e/graphing-proportional-relationships | Calculate | A number | 4 | "What is Igor's unit rate of change of dollars with respect to time; that is, how much is he paid for one hour worked?" | |||||||||||||||||||||

34 | Relationships and Functions | Graphing proportional relationships | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-graphing-prop-rel/e/graphing-proportional-relationships | Construct | A line | 5 | "Graph the proportional relationship described above, with the x-coordinate representing hours worked, and the y-coordinate representing amount paid in dollars." Graph the line that reflects the slope. | |||||||||||||||||||||

35 | Relationships and Functions | Graphing proportional relationships | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-graphing-prop-rel/e/graphing-proportional-relationships | Analyze | Multiple choice response | 1 | "Which of the following statements are true?" | |||||||||||||||||||||

36 | Relationships and Functions | Solving for the x-intercept | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-intercepts/e/solving_for_the_x-intercept | Calculate | A number | 5 | "What is the x-intercept?" | |||||||||||||||||||||

37 | Relationships and Functions | Solving for the y-intercept | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-intercepts/e/solving_for_the_y-intercept | Calculate | A number | 5 | "What is the value of the y-intercept b?" | |||||||||||||||||||||

38 | Relationships and Functions | Linear function intercepts | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-intercepts/e/linear-function-intercepts | Calculate | Coordinate(s) | 5 | "Determine its y-intercept." | |||||||||||||||||||||

39 | Relationships and Functions | Interpreting and finding intercepts of linear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-intercepts/e/interpreting-and-finding-intercepts-of-linear-functions | Calculate | A number | 3 | "How many feet thick was the sheet of ice when it began to melt?" | |||||||||||||||||||||

40 | Relationships and Functions | Identifying slope of a line | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-slope/e/slope_of_a_line | Analyze | Multiple choice response | 3 | "Which graph best depicts a slope of 1/5?" | |||||||||||||||||||||

41 | Relationships and Functions | Identifying slope of a line | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-slope/e/slope_of_a_line | Calculate | A number | 2 | "What is the slope of the line through the points?" | |||||||||||||||||||||

42 | Relationships and Functions | Line graph intuition | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-slope/e/line_graph_intuition | Construct | A line | 4 | "Graph a line that has an undefined slope:" Best. | |||||||||||||||||||||

43 | Relationships and Functions | Line graph intuition | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-slope/e/line_graph_intuition | Construct | An equation | 1 | "Adjust the slope and y-intercept until it connects the two points. How do the slope and y-intercept values affect the line?" | |||||||||||||||||||||

44 | Relationships and Functions | Graphing linear equations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-slope/e/graphing_linear_equations | Construct | A line | 5 | "Graph the following equation: y=5xâˆ’8" | |||||||||||||||||||||

45 | Relationships and Functions | Slope and triangle similarity | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-similarity-slope/e/slope-and-triangle-similarity | Analyze | Multiple choice response | 3 | "Which of the triangles shown below are similar to Î”ABC" | |||||||||||||||||||||

46 | Relationships and Functions | Slope and triangle similarity | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-similarity-slope/e/slope-and-triangle-similarity | Analyze | Multiple choice response | 2 | "Use the graph shown below to decide which of the following equations are true." | |||||||||||||||||||||

47 | Relationships and Functions | Understanding function notation | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-function-notation/e/functions_1 | Calculate | A number | 3 | "Find the value of h(2)." | |||||||||||||||||||||

48 | Relationships and Functions | Understanding function notation | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-function-notation/e/functions_1 | Analyze | A number | 2 | "Find the value of f(4)." Given graph of function. | |||||||||||||||||||||

49 | Relationships and Functions | Views of a function | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-function-notation/e/views_of_a_function | Construct | A table | 3 | "Create a table with at least five different points in it created from the function. Enter the values in the table as decimals." | |||||||||||||||||||||

50 | Relationships and Functions | Views of a function | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-function-notation/e/views_of_a_function | Construct | Coordinate(s) | 1 | "Graph the function that is defined by the table below." | |||||||||||||||||||||

51 | Relationships and Functions | Recognizing a function | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-function-intro/e/recognizing_functions | Analyze | Multiple choice response | 5 | "Is A a function of R?" Yes or no. | |||||||||||||||||||||

52 | Relationships and Functions | Recognizing a function 2 | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/cc-8th-function-intro/e/recog-func-2 | Analyze | Multiple choice response | 5 | "Which of these statements about the relation in the graph below are true?" | |||||||||||||||||||||

53 | Relationships and Functions | Ordered pair solutions to linear equations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/identifying_points_2 | Calculate | Multiple choice response | 3 | "Which of the following ordered pairs represents a solution to the equation below?" | |||||||||||||||||||||

54 | Relationships and Functions | Ordered pair solutions to linear equations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/identifying_points_2 | Analyze | Multiple choice response | 2 | "Which of the following ordered pairs represents a solution to the equation below? y=3xâˆ’2" | |||||||||||||||||||||

55 | Relationships and Functions | Comparing linear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/comparing-features-of-functions-0-5 | Analyze | Multiple choice response | 5 | "Two linear functions, f and g, are described below. The graph of which function has a greater y-intercept?" | |||||||||||||||||||||

56 | Relationships and Functions | Interpreting linear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/interpreting-features-of-linear-functions | Analyze | Multiple choice response | 5 | "Which of these statements are true?" | |||||||||||||||||||||

57 | Relationships and Functions | Comparing linear functions applications | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/comparing-features-of-functions-1 | Analyze | Multiple choice response | 5 | "Which of these statements are true?" | |||||||||||||||||||||

58 | Relationships and Functions | Constructing and interpreting linear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/constructing-and-interpreting-linear-functions | Analyze | Multiple choice response | 1 | "Rachel is driving her truck from Boston to Chicago. Rachel drives 15 kilometers every 10 minutes. The relationship between the amount of time Rachel drives and the remaining distance to get to Chicago has a constant rate of change. Which statement is correct?" | |||||||||||||||||||||

59 | Relationships and Functions | Constructing and interpreting linear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/constructing-and-interpreting-linear-functions | Construct | Multiple choice response | 2 | "Archimedes is draining his bathtub. Every 2 minutes, 7 gallons of water are drained. Which equation could represent the number of gallons of water in the tub (W) as a function of the elapsed time in minutes (T)?" | |||||||||||||||||||||

60 | Relationships and Functions | Constructing and interpreting linear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/analyzing-functions-8th/e/constructing-and-interpreting-linear-functions | Construct | A line | 2 | "Ron borrowed $200 from his friend and promised to pay back $20 each week. Let x represent the time in weeks, and let y represent the amount of money left to pay. Graph y as a function of x." | |||||||||||||||||||||

61 | Relationships and Functions | Linear and nonlinear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/linear-nonlinear-functions-tut/e/linear-non-linear-functions | Analyze | Multiple choice response | 5 | "Does the equation âˆš â€‹x â€‹ â€‹â€‹ +y=3 define y as a linear function of x?" | |||||||||||||||||||||

62 | Relationships and Functions | Interpreting graphs of linear and nonlinear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/linear-nonlinear-functions-tut/e/interpreting-graphs-of-linear-and-nonlinear-functions | Analyze | Multiple choice response | 4 | "Complete the following sentences based on the graph of the function." | |||||||||||||||||||||

63 | Relationships and Functions | Interpreting graphs of linear and nonlinear functions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-relationships-functions/linear-nonlinear-functions-tut/e/interpreting-graphs-of-linear-and-nonlinear-functions | Analyze | A number | 1 | "David wants to rent a bicycle for a couple of hours to explore the city. The price of the bike rental, (P), depends on the time the bike was out, (t). The price consists of a base charge of $8 and a variable hourly cost. The graph of the function is shown below. Complete the following sentences below based on the graph of the function." | |||||||||||||||||||||

64 | Systems of Equations | Graphing systems of equations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/graphing_systems_of_equations | Construct | A line | 3 | "Graph this system of equations and solve. 8xâˆ’2y=âˆ’10 âˆ’4xâˆ’y=3" | |||||||||||||||||||||

65 | Systems of Equations | Graphing systems of equations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/graphing_systems_of_equations | Analyze | Coordinate(s) | 3 | "Graph this system of equations and solve. 8xâˆ’2y=âˆ’10 âˆ’4xâˆ’y=3" | |||||||||||||||||||||

66 | Systems of Equations | Systems of equations with simple elimination | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_with_elimination_0.5 | Solve | Coordinate(s) | 3 | "Solve for x and y using elimination. âˆ’2xâˆ’6y=âˆ’44 2x+5y=38" | |||||||||||||||||||||

67 | Systems of Equations | Systems of equations with elimination | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_with_elimination | Solve | Coordinate(s) | 3 | "Solve for x and y using elimination. 2xâˆ’4y=âˆ’16 âˆ’3xâˆ’3y=âˆ’30" | |||||||||||||||||||||

68 | Systems of Equations | Systems of equations with substitution | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_with_substitution | Solve | Coordinate(s) | 3 | "Solve for x and y using substitution. 5xâˆ’6y=3 y=âˆ’x+5" | |||||||||||||||||||||

69 | Systems of Equations | Systems of equations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations | Solve | Coordinate(s) | 3 | "Solve for x and y. âˆ’xâˆ’2y4x+5y=3=âˆ’9" | |||||||||||||||||||||

70 | Systems of Equations | Systems of equations word problems | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_word_problems | Solve | Coordinate(s) | 3 | "The sum of two numbers is 73, and their difference is 15. What are the two numbers?" | |||||||||||||||||||||

71 | Systems of Equations | Graphing systems with one, zero, or infinite solutions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/graphical-solutions-to-systems | Construct | A line | 1 | "On the graph below, use the two points to draw a line through the point (0,2) that will create a system of equations with infinitely many solutions." | |||||||||||||||||||||

72 | Systems of Equations | Graphing systems with one, zero, or infinite solutions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/graphical-solutions-to-systems | Analyze | Multiple choice response | 4 | "How many solutions does the system of linear equations represented in the graph below have?" | |||||||||||||||||||||

73 | Systems of Equations | Systems with one, zero, or infinite solutions | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/solutions_to_systems_of_equations | Analyze | Multiple choice response | 5 | "Determine how many solutions exist for the system of equations" | |||||||||||||||||||||

74 | Systems of Equations | Constructing consistent and inconsistent systems | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/constructing-consistent-and-inconsistent-system | Construct | An equation | 2 | "Which of the following choices of c will result in a system of linear equations with no solutions? âˆ’2xâˆ’7yâˆ’6xâˆ’21y=3=c" | |||||||||||||||||||||

75 | Systems of Equations | Constructing consistent and inconsistent systems | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/constructing-consistent-and-inconsistent-system | Analyze | Multiple choice response | 3 | "Which of the following choices of a will result in a system of linear equations with no solutions?" | |||||||||||||||||||||

76 | Systems of Equations | Understanding systems of equations word problems | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-word-problems/e/understanding-systems-of-equations-word-problems | Analyze | Multiple choice response | 5 | "Can we solve for a unique cost for each soldier?" | |||||||||||||||||||||

77 | Geometry | Equation practice with segment addition | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/line-segment-algebra/e/segment_addition | Solve | A number | 3 | "Find AC." | |||||||||||||||||||||

78 | Geometry | Equation practice with midpoints | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/line-segment-algebra/e/midpoint_of_a_segment | Solve | A number | 3 | "Find AC." | |||||||||||||||||||||

79 | Geometry | Equation practice with vertical angles | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-angles-between-lines/e/vertical_angles_2 | Solve | A number | 3 | "Solve for x: x=" | |||||||||||||||||||||

80 | Geometry | Congruent angles | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-angles-between-lines/e/congruent_angles | Analyze | Multiple choice response | 5 | "Which angles must be congruent to the given angle?" | |||||||||||||||||||||

81 | Geometry | Parallel lines 1 | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-angles-between-lines/e/parallel_lines_1 | Calculate | A number | 5 | "What is the measure of angle x?" | |||||||||||||||||||||

82 | Geometry | Equation practice with congruent angles | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-angles-between-lines/e/parallel_lines_2 | Solve | A number | 5 | "Below are two parallel lines with a third line intersecting them. âˆ Aâˆ B==8x+78âˆ˜2x+144âˆ˜ Solve for x:" | |||||||||||||||||||||

83 | Geometry | Equation practice with angle addition | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-angles-between-lines/e/angle_addition_postulate | Solve | A number | 5 | "Find mâˆ RPS" | |||||||||||||||||||||

84 | Geometry | Finding angle measures 1 | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-triangle-angles/e/angles_1 | Solve | A number | 5 | "What is mâˆ BGE?" | |||||||||||||||||||||

85 | Geometry | Finding angle measures 2 | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-triangle-angles/e/angles_2 | Calculate | A number | 5 | "What is âˆ AJF?" | |||||||||||||||||||||

86 | Geometry | Pythagorean theorem | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-theorem/e/pythagorean_theorem_1 | Calculate | A number | 5 | "What is AB?" | |||||||||||||||||||||

87 | Geometry | Pythagorean theorem word problems | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-theorem/e/pythagorean-theorem-word-problems | Calculate | A number | 3 | "A flagpole broke in a storm. It was originally 81 feet tall. 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. How far away is the end of the pole from the base of the pole along the ground?" | |||||||||||||||||||||

88 | Geometry | Pythagorean theorem in 3D | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-theorem/e/pythagorean-theorem-in-3d | Calculate | A number | 3 | "The regular tetrahedron shown below has sides of length 10cm. The vertical height h=8.2cm. What is the length of r? Round your answer to the nearest tenth." | |||||||||||||||||||||

89 | Geometry | Distance formula | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-theorem/e/distance_formula | Calculate | A number | 3 | "Find the distance between the points (âˆ’1,8) and (0,âˆ’4)." | |||||||||||||||||||||

90 | Geometry | Pythagorean Theorem proofs | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-proofs/e/pythagorean-theorem-proofs | Argue | A two-column proof | 2 | "The figure below shows a smaller purple square inside a larger red square. Using this figure, we give the first 2 steps in a proof of the Pythagorean Theorem. Arrange the remaining steps of the proof and the reasons for the steps in the correct order." | |||||||||||||||||||||

91 | Geometry | Pythagorean Theorem proofs | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-proofs/e/pythagorean-theorem-proofs | Argue | Multiple choice response | 1 | "The following figure is used in President James Garfield's proof of the Pythagorean Theorem. Which of the following reasons explains why the white triangle is a right triangle?" | |||||||||||||||||||||

92 | Geometry | Special right triangles | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-special-right-triangles/e/pythagorean_theorem_2 | Calculate | A number | 5 | "How long is AB?" | |||||||||||||||||||||

93 | Geometry | Solid geometry | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-volume/e/solid_geometry | Calculate | A number | 5 | "What is the surface area?" | |||||||||||||||||||||

94 | Geometry | Volume word problems with cones, cylinders, and spheres | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-volume/e/volume-word-problems-with-cones--cylinders--and-spheres | Calculate | A number | 3 | "A cone has a height of 20 cm and a radius of 4 cm. The top 15 cm are cut off leaving a "truncated cone" (shown in red below). What is the volume of the truncated cone?" | |||||||||||||||||||||

95 | Geometry | Translations of polygons | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/transformations-congruence-similarity/e/translations_of_points_and_polygons | Construct | A polygon | 2 | "What is the image of the polygon?" | |||||||||||||||||||||

96 | Geometry | Translations of polygons | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/transformations-congruence-similarity/e/translations_of_points_and_polygons | Construct | A transformation | 3 | "What was the translation applied?" | |||||||||||||||||||||

97 | Geometry | Rotation of polygons | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/transformations-congruence-similarity/e/rotation_of_polygons | Analyze | A number | 4 | "What is the transformation that rotates the blue solid shape to the orange dashed shape?" | |||||||||||||||||||||

98 | Geometry | Rotation of polygons | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/transformations-congruence-similarity/e/rotation_of_polygons | Construct | A polygon | 1 | "What is the image of the polygon below after the rotation T90?" | |||||||||||||||||||||

99 | Geometry | Properties of rigid transformations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/transformations-congruence-similarity/e/properties-of-rigid-transformations | Construct | An angle | 4 | "Rotate the given angle 180Â° about the point (2,âˆ’2)." | |||||||||||||||||||||

100 | Geometry | Properties of rigid transformations | https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/transformations-congruence-similarity/e/properties-of-rigid-transformations | Analyze | Multiple choice response | 1 | "The measure of the image is [blank] the measure of the original angle" |

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