Irrational Numbers, Squares and Cubes

The √98 falls between what two numbers on a number line?

• 10 and 11
• 11 and 12
• 9 and 10
• 90 and 100

Which number is rational below?

• √20
• √64
• 6π
• √7

In between what two integers is the square root of 77?

• 5 and 6
• 6 and 7
• 7 and 8
• 8 and 9

Which of the following is irrational?

• 0.444444444

• -4/5

• π

• 0.2

Irrational numbers...

• reduce to π

• never end and never repeat

• can sometimes be perfect squares

• must be negative

√4

• irrational
• rational

√7

• Rational 
• Irrational
• real
• fake

The √40 is between which two integers?

• 7 & 8
• 6 & 7
• 5 & 6
• 4 & 5

What is the approximate value of √12

• 2
• 3.5
• 4.5
• 6

What two integers would √26 fall between

• 3 and 4
• 5 and 6
• 6 and 7
• 5 and 7