Grade: 3 to 5 | Module: Geometry: Figures + Shapes + Angles | Common Core Standard: 4.G | Total Problems: 5 Practice 2 Design |
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B. 6
C. 8
D. 12
530
Here is a cube. How many vertices does a cube have?
Vertices means corners.
Count the corners (vertices) from top to bottom and side to side.
A corner (vertex) is an edge where two sides meet.
Think of the cube from every angle to count the vertices.
Count the vertices (corners) to find the answer.
“This is the first geometry puzzle you’ve solved!
Let’s try another!
What is Geometry?
Painting of Euclid
Geometry means “to measure the land.”
It is an an old, old type of mathematics.
It was first invented by Euclid in ancient Greece (330 BCE - 275 BCE). That’s over 2000 years ago 😲!
He wrote Euclid’s Elements of Geometry extending the work of earlier thinkers like Pythagoras.
Watch this short clip 🎥 from the movie "Lincoln” where the actor Daniel Day Lewis playing President Abraham Lincoln discusses Euclid and geometry.
330
Anna has the shapes shown in the box. Which sentence best describes Anna's shapes?
Find what is true for all the shapes.
A shape has corners and sides but they can have different sizes.
What do these two shapes have in common?
B.
Each shape has one
line of symmetry.
C.
Each shape has four right angles.
D.
Each shape has four corners.
You know shapes!
369
We want the shape that has all sides the same length.
You can measure the sides to find their length.
With all sides the same length, this shape is NOT in the group.
Kelly put some shapes into the group shown using the rule "all sides of the shape are the same length.” Which shape also seems to belong in Kelly's group?
B.
C.
D.
You can measure the sides to find their length.
Kelly put some shapes into the group shown using the rule "all sides of the shape are the same length.” Which shape also seems to belong in Kelly's group?
B.
C.
D.
Math is everywhere!
B. Angle F
C. Angle G
D. Angle H
534
Elsa drew the quadrilateral EFGH shown here.
Which angle appears to be acute?
These have
acute angles.
Elsa is looking for an angle that is less than 90 degrees.
90 degree angles form an L
L
L
L
Look for the angle that is acute.
You found the angle!
Let’s keep going!
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B.
C.
D.
546
Which of the following is isosceles but not equilateral?
Equilateral triangles have all three sides of the same length.
A triangle is a figure with 3 sides and 3 angles.
Isosceles triangles have 2 sides of equal length.
You just solved 5 math puzzles in a row!!!!
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B.
C.
D.
613
Which of these shapes has exactly one pair of parallel sides?
Parallel sides never come together. They are always the same distance apart.
A square has left and right sides parallel to each other, and top and bottom sides parallel to each other.
Lines that come together cannot be parallel.
This question asks which shape has only two sides that are parallel to each other.
Parallel lines are everywhere!
Let’s try a few more math puzzles!
527
Mrs. Rancourt showed these shapes to the class.
What word describes all of the shapes?
B. Triangles
C. Rectangles
D. Quadrilaterals
Draw and write what the coaches might say to help kids solve the puzzle.
What is the question asking?
What are the names of the four shapes?
What do all of the shapes have?
How would you draw each of the shapes?
B.
C.
D.
605
Walter made a pyramid with a base that was a square.
What was the total number of edges in Walter's pyramid?
Write your own hints and come up with your own answers!
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