Unit 1 Review (7th grade)

Rational Numbers

100

What's the opposite of (5, -6, 278, 0)

-5     6     -278     0

200

True or False: Every integer is a rational number. Explain 

True (rational numbers include all numbers- fractions and decimals, integers, whole numbers, etc)

300

Write the decimal of 7/20

Is it terminating or repeating?

0.35

Terminating

400

Write the decimal of 

-60/22

Terminating or Repeating?

-2.72 repeating 

500

Write the decimal form of 

8 and 4/9

Terminating or Repeating?

8.4 repeating

Add/Subtract Integers

100

-7+12

5

200

-13-(-9)=

-4

300

-12+(-23) = 

-35

400

-27-43 = 

-70

500

36 - (-13)= 

49

Add/Subtract Rational Numbers

100

(-3/8) + (7/8) = 

4/8 or 1/2

200

3.1 + (-6.3) = 

-3.2

300

(-1/3) - (-5/12) = 

1/12

400

-24.5 - (-16.15) = 

-8.35

500

-12 and 3/4 + (-8 and 1/4) = 

-21

Divide/Multiply Integers

100

12 x -5 = 

-60

200

-120/10 = 

-10

300

-84/-3 = 

28

400

40 x 9

360

500

-(-55/-11) = 

-5

Divide/Multiply Rational Numbers

100

2.5 x -0.6 = 

-1.5

200

-3/5 x 4/8 = 

-12/40 or -3/10

300

-15/4 divided by 5/8 = 

-6

400

-3 and 3/5 divided by 6

-3/5

500

-3 and 1/6 divided by -1 and 4/9 = 

2 and 5/16