Checkpoint 1 - Review

Number Lines

100

Use a number line to complete the equation:

5 + ____ = 0

5

200

What is the distance between 3 and -4

7

300

Evaluate |-42|

42

400

Use a number line to evaluate:

3.5 - (-2.5)

6

500

A hiker walks from the top of a mountain to a river below.

The hiker begins at an elevation of 850 feet above sea level. 

The hiker ends at a river 20 feet below sea level.  

870 ft

Add/Subtract

100

- 20 + 20

0

200

63 + -14

49

300

2.3 - (-1.3)

3.6

400

-1 1/4 - 3 3/4  

-5

500

The air temperature becomes colder overnight.

At 1:00 a.m., the temperature is -7o Fahrenheit.

At 3:00 a.m., the temperature is 5 degrees colder.

What is the temperature at 3:00 a.m.?

-12 F

Multiply/Divide

100

Change 3/5 into a decimal

0.60

200

0.5 x 0.35

0.175

300

1  x  8

7      9

8/63

400

-0.95 divided by -0.4

2.375

500

2  divided by  3

5                  10

4

3

Multi-Step

100

1 * 12 * 3

36

200

-5 (0.5)(-2)

5

300

(3/5)(2/3)(4)

24/15

400

(-1 1/2)(0.25)(-3)

1.125

500

-1.5(2/5 - 0.25)

-0.225

Squares and Primes

100

7²

49

200

11²

121

300

Prime factorization of 54

2 x 3 x 3 x 3

400

Square root of 144

12

500

Find the prime factorization:

the square root of 50²

2 x 5 x 5