Unit 1 Post Test Review

I can add & subtract rational numbers.

100

8/16 - 13/16

- 5/16

200

4 2/5 - 1 11/15

2 2/3

300

Simplify: 13 - 4 + -4

5

400

At 9 a.m. the temperature was -8 C. In the afternoon, the temperature was 20C. What was the change of temperature during the day?

28

500

Aaron says | 7 | and | -7 | have the same value. Bella says | 7 | and | -7 | have different values. Cari says | 7 | and | -7 | both equal 0. David says | 7 | and | -7 | combine to make 0. Who is correct?

A. Aaron          B. Bella          C. Cari          D. David

A. Aaron

I can multiply & divide rational numbers.

100

2/3 ÷ 4/15

2 1/2

200

-2/3 x -1/2

1/3

300

12 1/2 ÷ (-3 3/4)

-3 1/3

400

Find the quotient of 0 ÷ 56.

0

I can solve problems involving complex fractions.

100

Two friends order a pizza.  One friend eats 3/5, the other friend eats 2/7 of the pizza. How much of the pizza is left?

4/35

200

Find the area of a rectangle with a length of 32/20 feet and a width of 2 7/8 feet.  (Simplify answer in fraction form)

4 3/5

300

Select 3 values equivalent to 4/5.

A. 0.8   B. 1.25   C. 80%   D. 45%   E. 16/20   F. 15/30

A. 0.8   C. 80%   E. 16/20

400

Order the lengths from least to greatest:  

1/4 feet,   0.5 feet,  10/25feet

Least: 1/4

Middle: 10/25

Greatest: 0.5

Rational Number Word Problems

100

Martin paid $32.80 for four shirts. If all of the shirts cost the same, what operation would you use to solve this problem?

A. Add     B. Subtract    C. Multiply    D. Divide

D. Divide

200

Tom practiced piano 1 1/3 hours on Monday and 5/6 hours on Tuesday.  How much did he practice in all those two days? (Simplify answer in fraction form)

2 1/6

300

A submarine started at the surface of the water and was moving down at -15 kilometers per minute toward the ocean floor. The submarine traveled at this rate for 48 minutes before coming to rest on the ocean floor. What is the depth of the ocean floor?

-720

400

Marcus hikes at a rate of 2.7 miles per hour. If he hikes for 6 1/3 hours, how many miles will he hike?

17 1/10

500

The highest point in Louisiana is Driskill Mountain at 585 feet.  The lowest point is (-8) feet in New Orleans.  Find the difference in feet between the highest and lowest elevation points.  Show your work and label your answer.

593