Module 10 Real Numbers

Trivia

100

What are two things we look for if a number is rational or irrational?

terminating and repeating patterns

200

What is an example of an irrational number from the tip chart?

pi

300

What is the opposite of squared?

square root

400

FREE

FREE

500

What is the first step in turning a repeating decimal into a fraction?

make it equal to x

Practice problems

100

Turn 8/9 into a decimal

0.8...

200

how do you solve x²=81

check board

300

The area of a square label for a DVD case is represented by x²=16, where x represents the side length of the label in inches.

Drag and drop the values into the boxes that make the statement for finding x true.

find the square root of 16, which is 4

400

Is 1/8 rational or irrational?

rational

500

What is the square root of 2?

irrational

Squared, cubes and roots

100

What is the cube root of 27?

3

200

The volume of a cube-shaped box is  216 cubic inches. What is the length of each side of the cube in inches?

6 inches

300

Mr. Rivera is building a fence around a square play area for his puppy. He wants the play area to measure 256 ft2.

How many feet long should Mr. Rivera build each side of the play area for his puppy?

16

400

What is the oppositive of cube root?

cubed

500

What is the cube root of 125?

5