Rational and Irrational Numbers

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Irrational; It is not a perfect square so its root is irrational.

Rational or Irrational?

Irrational; this decimal does not terminate or repeat.

Rational or Irrational?

Rational: this is a repeating decimal.

Rational or Irrational?

Rational; It is a perfect square root.

Rational or Irrational?

Rational; this is a fraction.

Rational or Irrational?

Rational; this is a terminating decimal.

Rational or Irrational?

Rational; this is an integer.

Rational or Irrational?

+4, -4

Solve for x

1/3

What is 0.333.. as a fraction?

2/3

What is 0.6666... as a fraction?

5 8/33

What is 5.242424... as a fraction?

9.8

Which of the following is the greatest number?

terminating decimal

a decimal that ends

irrational number

a number that cannot be written as a fraction

√169

13

What is the side length of a square that covers an area of 196?

14

√196

14

12²

144

√225

15

16

13²

169

14²

196

√400

20

The side length of square is 15, how much area can be covered?

225 units²

36

4

What is the square root of 25?

5

What is the side length of a square that has an area of 49?

7

√49

7

√64

8

81

√81

9

121

A cube shaped box has a volume of 1,331 cm. What is the area of one side of the box?

rational number

A number that can be written as fraction.

7.4

Approximate to the nearest tenth

9.7

Approximate to the nearest tenth

13

Emily wants to buy a tablecloth for a square table. If she knows the area of the table is 169 square feet, what is the minimum length and width the tablecloth needs to be?

8

George is building a cube shaped shed for his dirtbike. If the shed has a volume of 512 cubic feet, what is the length, width, and height of the shed?

A perfect cube

How would you classify the number 125?

repeating decimal

- a decimal that has a repeating pattern and never ends

10²

100

What is the square root of 121

11

What is the square root of 169?

13


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