Module 5 Real Numbers

Which is an example of an imperfect square?

• 9

• 4

• 8

• 16

Rational numbers are

• fractions and terminating decimals

• All of these

• integers

• whole and natural

Level 3: Estimate the square root.

• Between 4 and 5 and closer to 5

• Between 5 and 6 and closer to 5

• Between -4 and -5 and closer to -5

• Between -5 and -6 and closer to -6

Evaluate
√36

• 6

• -9

• 18

• -18

Which of these areas is a perfect square?

• 12

• 90

• 40

• 64

√ 81

• 8

• 7

• 10

• 9

• x = 12

• x = 25

• x = -5

• x = 5

What is true about irrational numbers?

• They are terminating decimals.

• They are non-repeating decimals.

• They are fractions.

• They are natural numbers.

-14 could NOT be which type of number?

• Integer

• Real

• Rational

• Natural

A decimal that stops is which type of number? Example: 2.75

• Rational

• Irrational

• None of these