
Estimating Square Roots
Presentation
•
Mathematics
•
6th - 8th Grade
•
Medium
Standards-aligned
Jamie Espinal
Used 1K+ times
FREE Resource
10 Slides • 10 Questions
1
Estimating Square Roots
Use your understanding of perfect square numbers and their square roots to estimate non-perfect square numbers.
2
Estimating Square Roots
Determine which two integers the evaluated square root would be between. Perfect square numbers will help you to estimate.
3
Multiple Choice
What two integers is 5 between?
3 & 4
1 & 2
0 & 1
2 & 3
4
5 would land between 4 and 9
So the integers would be between 2 & 3.
5
Notice where it lands in between.
Its closer to the integer 2 because
5 is closer to 46
Multiple Choice
What two integers is −17 between?
-16 & -17
-4 & -5
-3 & -4
-5 & -6
7
−17 would land between −16 and −25
So the integers would be between -4 & -5.
8
Notice where it lands in between.
Its closer to the integer -4 because
−17 is closer to −169
Multiple Choice
What two integers is 89 between?
85 & 90
7 & 8
8 & 9
9 & 10
10
89 is between 81 & 100
So the integers were 9 & 10
11
Multiple Choice
What two integers is 250 between?
15 & 16
16 & 17
18 & 19
14 & 15
12
250 is between 225 & 256
So the integers were 15 & 16
13
Multiple Choice
What two integers is 150 between?
10 & 11
11 & 12
12 & 13
13 & 14
14
150 is between 144 & 169
So the integers were 12 & 13
15
Let's try some fill in the blanks.
Switch it up a little.
16
Fill in the Blanks
What two integers is 75 between?
Type answer...
17
Fill in the Blanks
What two integers is 389 between?
Type answer...
18
Fill in the Blanks
What two integers is −47 between?
Type answer...
19
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)
20
Open Ended
Explain in your own words, how do you estimate the integers the square root lands between?
Estimating Square Roots
Use your understanding of perfect square numbers and their square roots to estimate non-perfect square numbers.
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