Math Year 7 Unit 1 Review

The Real Number System

100

-22 belongs to which categories of the Real Number System?

Integers and Rational Numbers

200

22.5 belongs to which categories of the Real Number System?

Rational Numbers

300

0.4920934838476542372982039934384782332889234673873462

Irrational Numbers

400

0 belongs to which categories of the Real Number System?

Whole Numbers, Integers, and Rational Numbers

500

Give an example of a number that is rational and an integer. 

Example must be a negative or positive whole number.

Comparing and Ordering Rational Numbers

100

Convert 1/20 to a decimal

.05

200

Order these numbers LEAST to GREATEST:4/5, .125, 25%, 1/5

.125, 1/5, 25%, 4/5

300

Compare the following numbers using <, >, or = 20% is ___ .3

<

400

Compare the following numbers using <, >, or =. .125 is______than 11.7%

>

500

List the following numbers in order from least to greatest. 1, -3, -7, 0, 2

-7, -3, 0, 1, 2

Exponents

100

Write the expression using exponents. 2 x 2 x 2 x 2

2^4

200

Write the expression as a multiplication problem. (14)^5

14 x 14 x 14 x 14 x 14

300

4^2=

16

400

Square root of 4=

2

500

 10^4

10,000

Integers

100

absolute value of 16

16

200

True or false, 0 is an integer 

True

300

True or false -8 is an integer? 

True

400

True or false 4/5 is an integer? 

False, it is a rational number

500

True or false, 100.99 is an integer 

False

Review

100

5 1/2 + 3 3/4

9 1/4

200

2/3 X 1/4

1/6

300

Half of a half

1/4

400

3/4 divided by 4/5

15/16

500

is this multiplication or division:

Samuel bought 4 rolls of tape to seal boxes.  Each roll contains 32.9 meters of tape.  He uses 1.2 meters of this tape to seal each box.  What is the total number of boxes Samuel can seal with these 4 rolls of tape?

Division