Real Number System

Perfect Squares

100

What is the square root of 49?

7

200

What is the square root of 256?

16

300

What is the square root of 400?

20

400

What is 15²?

225

500

What is 9²?

81

Decimals

100

What are the two types of decimals? What do they mean?

Terminating and Repeating

200

Write 18/99 as a decimal

0.18 repeating

300

Kyla ran 5/6 of a mile before he got water. Represent the distance he ran as a decimal. Is it terminating or repeating?

0.83 The three has bar over it. Repeating

400

Give an example of a fraction that can be represented as a terminating decimal.

Any fraction that stops when changed to a decimal

500

Shanaynay used 13/18 cups of sugar in her Lemon Pie. Convert how many cups she used to a decimal.

0.72 the two is repeating

Fractions

100

Express 0.75 as a fraction in simplest form.

3/4

200

Express -0.9 repeating as a fraction in simplest form

-1

300

Express 0.315 (bar over the whole thing) as a fraction in simplest form.

35/111

400

Express 0.9765 as a fraction in simplest form

9 and 153/200

500

Change the fraction 2/18 to a decimal and percent

0.1 repeating. 11.1%

Rational or Irrational

100

Is it Rational or Irrational? Explain. radical 121

11. rational. because it is a perfect square

200

Is it Rational or Irrational? Explain. 13/99

Rational. Because it is a fraction/ repeating decimal.

300

Is it Rational or Irrational? Explain. 9pi

Irrational. Because it has pi and pi is irrational

400

Is it Rational or Irrational? Explain. radical 70

Irrational. Not a perfect square

500

Is it Rational or Irrational? Explain. 0.72 repeating

Rational. It is a repeating decimal. It can be written as a fraction.