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Estimating Square Roots

Introduction

Terms

Examples

Which two integers is 20\sqrt{20} between?
The perfect square just below 2020 is 1616
16=4\sqrt{16} = 4
The perfect square just above 2020 is 2525
25=5\sqrt{25} = 5

Which two integers is 75\sqrt{75} between?
The perfect square just below 7575 is 6464
64=8\sqrt{64} = 8
The perfect square just above 7575 is 8181
81=9\sqrt{81} = 9

Which two integers is 37\sqrt{37} between?
The perfect square just below 3737 is 3636
36=6\sqrt{36} = 6
The perfect square just above 3737 is 4949
49=7\sqrt{49} = 7

Which two integers is 99\sqrt{99} between?
The perfect square just below 9999 is 8181
81=9\sqrt{81} = 9
The perfect square just above 9999 is 100100
100=10\sqrt{100} = 10

Estimating Square Roots Worksheets (PDF)

Estimating Square Roots Worksheet 1

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Estimating Square Roots Worksheet 2

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Estimating Square Roots Worksheet 3

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