Unit 1 Test Review

Integers

100

True or False?

-4.5 is an integer.

False

200

-3 + -7 OR -3 - 7 

-10

300

(-5²) = _____

25

400

-(6²) = _____

-36

500

Write the following numbers in order from least to greatest:

-1/2, -2/3, 0, 2², abs(-1), (-1+3), (-2 x 3), 3/4

(-2 x 3), -2/3, -1/2, 0, 3/4, (-1+3), 2²

Absolute Value

100

What is the absolute value of -5/3

5/3

200

What is the absolute value of 4/37?

4/37

300

- abs(-10-2)

-12

400

Will your answer be positive or negative?

a - b = ___

When abs(a) is less than abs(b)

Give an example

Negative

2-5=-3

500

Will your answer be positive or negative?

-a + -b = _____

When abs(a) is greater than abs(b)

Give an example.

Negative

-10-4=-14

Integer Word Problems

100

Your bank account has a balance of $-12.  You deposit (add) $60.  What is the new balance?

$48

200

You lose four points each time you attend gym class without sneakers.  You forget your sneakers three times.  What integer represents the change in your points?

-12

300

You are playing a game using the spinner shown. You start with a score of 0 and spin the spinner four times.  When you spin blue or green, you add the number to your score.  When you spin red or orange, you subtract the number from your score.  Which sequence of colors represents the greatest score?

a. red, green, green, red

b. orange, orange, green, blue

c. red, blue, orange, green

d. blue, red, blue, red

b. orange, orange, green, blue

400

A snowboarder descends a 1,200 foot hill in 3 minutes.  What is the average (mean) change in elevation per minute?

400 feet per minute

500

Solve, then use integer counters to explain the following problem:

-4 x 4 =

-16

Rational Numbers

100

2/5 + -2/5 = _____

0

200

-1/2 + 3/5

1/10

300

2 and 1/3 - 3 and 1/4

-11/12

400

-3/13 + (-2/12)

-62/156 OR -31/78

500

1/6 + -(3/5) + 2/4 = _____

1/15

Rational # Word Problems

100

Your water bottle is 5/6 full.  After practice, the bottle is 2/6 full.  How much water left the bottle during practice?

1/2 OR 3/6

200

The following numbers represent how many yards a running back gained in each quarter of a football game.  How many yards did the running back gain total?

-8.5, 23, 42.5, -2.5

54.5

300

The hour hand of a clock moves -30 degrees every hour.  How many degrees does it move in 2 and 1/5 hours?

-64 degrees

400

How many 0.75 pound packages can you make with 6 pounds of sunflower seeds?

8 packages

500

A 14.5-gallon gasoline tank is 3/4 full.  How many gallon will it take to fill the tank?

3 and 5/8 gallons

NOT: 10 and 7/8