Estimating Non-Perfect Square Roots

Presentation

•

Mathematics

•

6th - 8th Grade

•

Hard

James Gonzalez

FREE Resource

10 Slides • 10 Questions

Estimating Square Roots

Use your understanding of perfect square numbers and their square roots to estimate non-perfect square numbers.

Estimating Square Roots

Determine which two integers the evaluated square root would be between. Perfect square numbers will help you to estimate.

Multiple Choice

What two integers is $\sqrt{5}$ between?

3 & 4

1 & 2

0 & 1

2 & 3

So the integers would be between 2 & 3.

Notice where it lands in between.

Multiple Choice

What two integers is $-\sqrt{17}$ between?

-16 & -17

-4 & -5

-3 & -4

-5 & -6

So the integers would be between -4 & -5.

Notice where it lands in between.

Multiple Choice

What two integers is $\sqrt{89}$ between?

85 & 90

7 & 8

8 & 9

9 & 10

So the integers were 9 & 10

Multiple Choice

What two integers is $\sqrt{250}$ between?

15 & 16

16 & 17

18 & 19

14 & 15

So the integers were 15 & 16

Multiple Choice

What two integers is $\sqrt{150}$ between?

10 & 11

11 & 12

12 & 13

13 & 14

So the integers were 12 & 13

Let's try some fill in the blanks.

Switch it up a little.

Fill in the Blanks

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

Type answer...

Fill in the Blanks

What two integers is $\sqrt{375}$ between?

Type answer...

Fill in the Blanks

What two integers is $-\sqrt{40}$ between?

Type answer...

Poll

On a scale of 1 to 5, how do you feel about estimating square roots?

5 (I understand it perfectly)

4 (I understand it pretty well)

3 (I think I get it but I need a little more practice)

2 (I kind of get it a little)

1 (I have no idea)

Open Ended

Explain in your own words, how do you estimate the integers the square root lands between?

Type response here

Estimating Square Roots

Use your understanding of perfect square numbers and their square roots to estimate non-perfect square numbers.

Show answer

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