Perfect Squares and Square Roots

• ​One of TWO EQUAL FACTORS of a number

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• Radical Symbol (√​) indicates square root of a number

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• Ex. ​Square root of 1 is 1 because (1)(1) = 1

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• Ex. ​Square root of 4 is 2 because (2)(2) = 4

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• Ex. Square Root of 25 is 5 because (5)(5) = 25

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​Square Root

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Multiple Choice

$$\sqrt[]{9}=?$$  

• 2

• 3

• 4

• 5

Multiple Choice

$$\sqrt[]{16}=?$$  

• 2

• 3

• 4

• 5

Multiple Choice

$$\sqrt[]{25}=?$$  

• 2

• 3

• 4

• 5

Multiple Choice

$$\sqrt[]{36}=?$$  

• 9

• 8

• 7

• 6

Multiple Choice

$$\sqrt[]{81}=?$$  

• 9

• 8

• 7

• 6

Multiple Choice

$$\sqrt[]{49}=?$$  

• 9

• 8

• 7

• 6

Multiple Choice

$$\sqrt[]{64}=?$$  

• 9

• 8

• 7

• 6

Multiple Choice

$$\sqrt[]{144}=?$$  

• 12

• 10

• 11

Multiple Choice

$$\sqrt[]{121}=?$$  

• 12

• 10

• 11

Multiple Choice

$$\sqrt[]{100}=?$$  

• 12

• 10

• 11

• ​A number whose square root is a whole number

• Ex. 4 (2 times 2), 9 (3 times 3), and 16 (4 times 4) are examples of perfect squares!​

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​Perfect Squares

​Highlighted below are all the perfect squares up to 144!

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​Times Tables!

Multiple Choice

True or False: 16 is a perfect square

• True

• False

Multiple Choice

True or False: 25 is a perfect square

• True

• False

Multiple Choice

True or False: 30 is a perfect square

• True

• False

Multiple Choice

True or False: 49 is a perfect square

• True

• False

Multiple Choice

True or False: 37 is a perfect square

• True

• False

Multiple Choice

True or False: 60 is a perfect square

• True

• False