Approximating Radicals

Which is the best estimate of the square root of 63?

• 7.1

• 7.3

• 7.5

• 7.9

The √40 is between which two consecutive whole numbers?

• 7 & 8

• 4 & 5

• 5 & 6

• 6 & 7

Estimate the square root.

• 4.2

• 4

• 4.6

• 5

Between which two consecutive whole numbers is the square root of 277?

• 15 and 16

• 16 and 17

• 18 and 19

• 14 and 15

Approximate the following irrational number to the nearest hundredth without using a calculator.
The square root of 32

• 5.33

• 4.5

• 8

• 5.66

• Step 1: subtract both sides by 8
• Step 1: add 6 to both sides
• Step 1: Divide both sides by 8
• Step 1: Divide both sides by 6

Which is the best approximation of point P?

• √8

• √2.8

• 17/5

• 2 1/4

• A
• B
• C
• D

Q1. What is the value of the expression?

• A) 11√5

• B) 11√10

• C) 5√5

• D) 12√10

• 17√2
• 9√1
• 9
• 9√2