8th Number System Review

Squares/Roots

100

5²

25

200

Solve: x² + 3 = 19

x=4

300

Solve: p² = 1/4

p =1/2

400

A square garden has an area of 36 ft² What is the side length of the square?

s = 6

500

If the side length of a garden is 7 ft, what would the perimeter be?

P = 28 ft

Cubes/Roots

100

Cube root of 8

2

200

cube root of 64

4

300

Solve:  m³ = 27/64

m=3/4

400

What is the cube root of 512?

8

500

Solve: x³ - 9 = 55

x = 4

Fractions/Decimals

100

Is 0.6 and 0.666666... equal to the same fraction?

No 6/10 and 6/9

200

Is 0.010011000111... repeating?

No

300

What is 0.444.... as a fraction?

4/9

400

What is 2/11 as a decimal?

0.181818...

500

Which one is a repeating decimal greater that 1?

1/2     4/3    9/10    4/9

4/3

Real Number System

100

Which is an irrational number?

8.66666...    -1.234    square root 72      cube root 8

square root 72

200

What is the number included in whole but not natural?

0

300

Give an example of an irrational number

pi

400

What would square root of 64 be?

rational

500

What would 2 times the square root of 4 be?

rational

Nonperfect Squares

100

Plot square root of 17 on a number line

just a little past 4

200

Plot the square root of 88

a little closer to 9

300

Between what 2 values would the square root of 13 be?

3-4

400

Which would be an estimate of the Point A?

square root of 15

500

Which would be an estimate of Point B? 

square root of 198