Around the
World!Square Roots
= 9
= 8
= 12
= 19
= 2
= 3
= 17
= 5
= 11
= 5
= 20
= 7
= 8
= 14
= 2
= 15
= 19
= 10
= 6
= 13
= 7
= 16
= 4
= 18
= 24
= 19
= 17
= 14
= 15
= 13
= 16
= 16
= 18
= 13
= 18
= 18
= 17
= 14
= 15
= 19
= 16
= 3.2 = 6
DECIMAL CHALLENGE!
ESTIMATING SQUARE ROOTS
= 2.24
= 6.78
= 4.12
= 2.24
= 10.25
= 17.32
= 14.66
= 12.33
= 11.79
Simplifying Square Roots
By estimating, we know this is about 2.8
1. Find a perfect square by factoring.
2. Rewrite3. Take out the square
4 . 2
Example 1Simplify the square root. Do not use decimals
By estimating, we know this is about 5.2
1. Find a perfect square by factoring.
2. Rewrite3. Take out the square
9 . 3
Example 2 Simplify the square root. Do not use decimals
By estimating, we know this is about 4.5
1. Find a perfect square by factoring.
2. Rewrite3. Take out the square
4 . 5
Example 3Simplify the square root. Do not use decimals
By estimating, we know this is about 7.1
1. Find a perfect square by factoring.
2. Rewrite3. Take out the square
25 . 2
Example 4Simplify the square root. Do not use decimals
By estimating, we know this is about 4.9
1. Find a perfect square by factoring.
2. Rewrite3. Take out the square
4 . 6
Simplify the square root. Do not use decimals
Simplify the square root. Do not use decimals
Simplify the square root. Do not use decimals
Simplify the square root. Do not use decimals
Simplify the square root. Do not use decimals
Simplify the square root. Do not use decimals
Simplify the square root. Do not use decimals
Simplify the square root. Do not use decimals