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rational & irrational number

100

Is -109 a rational number?

Explain.

Yes, 

Because it can be written as fraction or terminating decimals.

200

Is pi a rational number.

Explain

No, the pattern doesn't repeat itself.

300

Is square root of 7 rational number?

Explain

No,

Because 7 is not a perfect square.

400

Give 3 examples of rational numbers

Answers will Vary

500

Give 3 examples of irrational number.

pi, numbers are not repeating, terminating decimals, or non-perfect square under square root.

squaring & square roots

100

Evaluate square root 49

7 and -7

200

Give three examples of perfect squares.

1,4,9,16,25,36,49...

300

what is 14²

196

400

The square root of 11 is between which two positive integers? Which is it closest to?

3 and 4. 

3

500

The square root of 80 is between which two positive integers? Which is it closest to?

8 and 9

9

cube roots

100

Evaluate the cube root 64

4

200

Evaluate cube root -1

-1

300

Evaluate the cube root of 27

3

400

Give three examples of perfect cubes

1, 8,27,64,125,216,343,512,729,1000

500

give 2 numbers that are both perfect squares and perfect cubes

1,64

Repeating and terminating decimals

100

What is 2/9 as a decimal. Is it terminating or repeating?

0.222.... Repeating

200

What is 3/8 as a decimal. Is it terminating or repeating?

0.375 terminating

300

What is 0.666… as a fraction

2/3

400

What is 7/20 as a decimal? Is it terminating or repeating?

.35 Terminating

500

Which is larger 33/100 or 1/3?

Explain

1/3 because 0.333... will be larger than 0.33

Solving Equations with Square Roots

100

x²=64

x=-8 and 8

200

-5x²=-80

x=-4 and 4

300

x²-8=73

x=-9 and 9

400

49x²=36

x= -6/7 and 6/7

500

5x²-8=-8

x=0