Unit 3 Rational Numbers Review

Powers of 10

100

What is 10⁰?

1

200

What is 10^-4?

0.0001

300

True of False: 10^-5 = 00000.5

False. 10^-5 = 0.00001

400

True or False: 10³ = 1,000

True. 

500

How else can you write 10^-2

0.01

 1/10x1/10

 1/100

1/10²

Quadrilaterals

100

What is a quadrilateral? 

A 4-sided polygon or shape

200

True or False: A trapezoid only has pair of parallel sides? 

True.

300

A square is _____ a rhombus

Always

400

A parallelogram is ______ a rectangle.

Sometimes

500

What do all 4 angles in a quadrilateral have to equal? 

360 degrees

Perfect Squares

100

What is 4²?

16

200

What is the square of 8?

64

300

What is the square root of 196

14

400

What is the 19 to second power?

361

500

Sam wants to build a fence around his square backyard. His square back yard has an area of 225ft². What is the perimeter of his square backyard?

15+15+15+15=60

Scientific Notation

100

What is 1.2x10²?

120

200

What is 5.4x10^-3?

0.0054

300

Convert 4375 into scientific notation 

4.375x10³

400

Convert 713,000 into scientific notation 

7.13x10⁵

500

What is 6,913,453 in written form? 

six million, nine hundred and thirteen thousand, four hundred and fifty three. 

Comparing Rational Numbers

100

What is 2 1/4 in decimal form? 

2.25

200

True or False: 1/2 > 0.4

True. 1/2 is 0.5 

Therefore, 1/2 is greater than 0.4

300

True or False: 125% < 3/4

False. 125% is 1.25 and 3/4 is 0.75. 

Therefore, 125% is greater than 3/4

400

Please arrange is descending order: 3/4, 0.65, 90% 

90%, 3/4, 0.65

500

Please arrange is ascending order: 35.5%, 2/5, 0.34 

0.34, 35.5%, 2/5