Name ____________________________

Unit 2 Pre-Assessment

Add or subtract using a number line.

1. -9 + 3

2. 4-(-3)

3. Name the ordered pair that represents the location of point Z below.

Write each as an integer.

4.         a. a loss of 30 yards

         b. a debt of $5

Solve the real-world problem.

5. The number of students voting in a school election has been decreasing at a rate of 15 students per year. Represent the change in the number of students voting over the next 3 years as an integer.

Perform the operations given for the following fractions and mixed numbers.

6.         a. 5 \frac{1}{3} + \frac{1}{7}

         b. 3 \frac{1}{2} - 1 \frac{3}{4}.

         c. 2 \frac{1}{5} \cdot 3 \frac{1}{2}

         d. 4 \frac{1}{3} \div 2 \frac{1}{6}

Write the following percents as decimals and decimals as percents.

7.         a. 0.52

b. 2%

         c.18.7%

Figure out the sale price if the markup is 20%.

8. $45.00

9. Estimate a 15% tip on a restaurant bill of $27.50.

Find the interest on each amount amounts are calculated yearly.

10.         a. $2300.00 at 2% for 2 years

b. Principal = $7000, Rate = 3% compounded yearly