7 Rational Numbers ENPS

Misc.

100

What is the opposite of 45?

-45

200

What do you call the fraction you get when you flip a fraction?

Reciprocal

300

What are integers?

The set of whole numbers and their opposites

400

What 2 types of decimals are considered rational numbers?

Terminating decimals and repeating decimals

500

What do you need to have in order to add or subtract fractions?

A common denominator

Adding

100

-42 + -123

-165

200

24.5 + -41.6

-17.1

300

2/3 + 1/6

5/6

400

3/7 + 3/8 = 

45/56

500

-17/35 + 34/70

0

Subtracting

100

-21 - 9 

-30

200

-532.4 - (-212.3)

-320.1

300

3/50 - 7/200

5/200 or 1/40

400

326.565 - 3/4 =

325.815

500

-1/5 - (-621.543)

621.343

Multiplying

100

65 x 20 =

1,300

200

23.12 x (-52.4)

-1,211.488

300

-5/7 x -3/10 in lowest terms

3/14

400

-1/4 x 20

-5

500

3.5/10 x 60 

21

Dividing

100

3/4 divided by 5/8

6/5 or 1 1/5

200

3/5=

.6

300

-2/45=

-0.225

400

75 divided by -1/5

-375

500

5924.2 divided by 32

185.13125