Perfect Squares and Square Roots Intro

DO NOW : WEDNESDAY 8/28

Multiple Choice

$$\sqrt{400}$$  

• 20

• 100

• 4

• 200

Multiple Choice

$$\sqrt{49}$$  

• 7

• 3

• 4

• 6

Multiple Choice

What is the area of a square with a side of 7?

• 14
• 28
• 49
• 64

Perfect Squares and Square Roots

Brush up on your perfect squares and square roots for our next lesson.

This is the visual representation of square

Multiple Select

Which grids represent a perfect square?

Multiple Choice

What is the answer to 5 squared ?

• 10

• 7

• 12

• 25

Multiple Choice

Which perfect square is being shown?

• 6

• 7

• 36

• 49

Squares and Square Roots

Practice!

Fill in the Blank

$$17^2$$  

Fill in the Blank

$$12^2$$  

Practice!

Fill in the Blank

$$\sqrt{225}$$  

Fill in the Blank

$$\sqrt{1}$$  

Match

Match the following

• $$-\sqrt[]{225}$$

• $$\sqrt[]{289}$$

• $$-\sqrt[]{289}$$

• $$\sqrt[]{169}$$

• $$-\sqrt[]{169}$$

-15

17

-17

13

-13

• -15

• 17

• -17

• 13

• -13

Multiple Select

Select all of the perfect squares. I will guide you on how to do this in desmos...

• 10

• 16

• 25

• 36

• 40

Multiple Select

Select all of the perfect squares.

• 42

• 49

• 55

• 64

• 70

Now lets do a quick recap to see how much you learned today

Multiple Select

Select all of the perfect squares.

• 80

• 81

• 100

• 104

• 121

Multiple Select

Which grids do not represent a perfect square?

Multiple Select

Select all statements that are true?

• $$13=\sqrt[]{169}$$

• 15² = 225

• 4² = 16

• √164 = 18

• $$12^2=\sqrt[]{144}$$

Match

Match the following

• $$\sqrt[]{196}=14^2$$

• $$13=\sqrt[]{169}$$

• $$-\sqrt[]{289}=$$

False

True

-17

• False

• True

• -17

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: 37 is a perfect square

• True

• False

Multiple Choice

Which is a perfect square?

• 
  

  $$\sqrt{13}$$
  

• $$\sqrt{54}$$

• $$\sqrt{36}$$

• $$\sqrt{90}$$

LETS TAKE A SHORT BREAK AND TAKE A LOOK ATHE THE BOARD. iM GOING TO OPEN A NOTEBOOK TO GO OVER SQUARE ROOTS THAT ARE NOT PERFECT ON THE BOARD BEFORE WE CONTINUE WITH THIS LESSON

Approximating Square Roots

Learning Target

• I can approximate imperfect squares.

Multiple Choice

The square root of 20 can be found between which two consecutive integers?

• 0 and 2

• 10 and 20

• 5 and 6

• 4 and 5

Multiple Choice

$$\sqrt{72}\ is\ between\ which\ two\ integers?$$  

• 3 and 5

• 8 and 9

• 7 and 2

• 7 and 8

Multiple Select

The square root of 57 falls between which two consecutive whole numbers?

• 7
• 8
• 5
• 6
• 9

Multiple Choice

Level 3: Estimate the square root.

• Between 3 and 4 and closer to 3

• Between 2 and 3 and closer to 3

• Between 3 and 4 and closer to 4

• Between 2 and 3 and closer to 2

Multiple Select

Identify the TWO consecutive whole numbers between which the value lies.

• -14
• -15
• -16
• -17
• -18

Multiple Choice

Which pair of numbers are both between 6 and 7?

Multiple Choice

Level 3: Which point best represents √47?

• A

• D

• E

• F

How did you do?