Unit 1 Review

Fractions

100

Find the common denominator of 2/5 and 1/2

10

200

Add:  1/4 + 3/4

4/4 or 1

300

Subtract:  6/7 -(- 2/7)

8/7

400

Add: 4/9 +(-8/9)

-4/9

500

Subtract: -3/4 - 1/2

-5/4

Number Line

100

Name one number that is 4 units away from 1 on the number line.

5 or -3

200

Name one number that is 9 units away from -5 on the number line.

-14 or 4

300

Name BOTH numbers that are 3 units away from -5 on the number line.

-8 and -2

400

Name BOTH NUMBERS that are 12 units away from -10 on the number line.

-22 and 2

500

Name one number that is 5.5 units away from -15 on the number line.

-20.5 or -9.5

Add Integers

100

Find the sum of -3 + 2

-1

200

Find the sum of -9 + (-7)

-16

300

Find the sum of 24.5 + (-2.5)

22

400

Find the sum of -3.9 + (-0.4)

-4.3

500

Find the sum: -21.7 + 5

-16.7

Subtract Integers

100

Find the difference: -3 - 3

-6

200

Find the difference: -20 -(-5)

15

300

Find the difference: -8 - (-2)

-6

400

Find the difference: 13 - 22

-9

500

Find the difference: 24 - (-5)

29

Miscellaneous

100

Find the absolute value: |-19|

19

200

Convert to an improper fraction:  2  3/5

13/5

300

When you add or subtract fractions, YOU MUST HAVE THIS...

Common Denominators

400

A negative next to a negative actually equals a ....

POSITIVE! -(- = +

500

-2  1/3  + (- 1  5/6)  = 

-25/6