Unit 1 Integers and Fractions/Decimals

Fractions

100

3/4 + 2/5

23/20

200

2/3 - 1/8

13/24

300

What is the product of 2/7 and 14/50

2/25

400

What is 5/8 divided by 3/4?

5/6

500

What is 2 3/5 divided by 2/7?

21/5 or 4 1/5 or 4.2

Decimals

100

12.67 + 2.13 +7.81 = 

22.61

200

What is the product of 2.15 and 3.17?

6.8155

300

18.19 - 3.59 = ________

14.6

400

What is 0.567 + 12.34 correct to three significant figures?

7.00

500

What is 42.64 divided by 0.7?

60.8

Integers

100

What is the product of 235 and -5?

-1175

200

-15 - 11

-26

300

What is 42 divided by -7?

-6

400

-236 + 375 - 100

39

500

What is -351 divided by 13?

-27

Order of Operations

100

What is -27 + 36 - 15 x 4?

-51

200

6 x 4 ÷ 3 + 15 - 11

12

300

What is 3⁵ - 10²?

143

400

What is 12 + 9² ÷ 3³?

15

500

What is 2⁵ + 18 - 1/2 ?

49.5

Classify Numbers

100

The number .25 is rational or irrational?

rational

200

All Whole Numbers are Counting Numbers.

True or False

True

300

What is the ultimate irrational number?

Pi

400

All negative numbers are integers.

True or False?

False

500

Is this number rational or irrational? Be prepared to explain!

2.12112111211112....

Irrational because it is not repeating nor terminating