This math topic focuses on practicing the approximation of square roots, a part of advanced studies in squares and square roots. Each question presents a numerical value and asks students to choose the best approximation of its square root from a set of multiple choices. The numbers given for square root approximation vary across the questions, providing a range of difficulties to help strengthen estimation skills related to square roots.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Square Roots Approximating Worksheet

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Math worksheet on 'Square Roots Approximating (Level 2)'. Part of a broader unit on 'Squares and Square Roots - Advanced' Learn online: app.mobius.academy/math/units/squares_and_square_roots_advanced/
1
Find the best approximation of the given square root
A LaTex expression showing square root of 40
a
4.1
b
7.1
c
5.6
d
6.4
e
7.8
f
8.6
2
Find the best approximation of the given square root
A LaTex expression showing square root of 56
a
6.7
b
7.5
c
9.7
d
5.3
e
9
f
6
3
Find the best approximation of the given square root
A LaTex expression showing square root of 110
a
12
b
11.2
c
9.7
d
10.5
e
12.7
f
8.3
4
Find the best approximation of the given square root
A LaTex expression showing square root of 158
a
13.3
b
11.1
c
14.1
d
12.6
e
14.8
f
10.4
5
Find the best approximation of the given square root
A LaTex expression showing square root of 129
a
9.1
b
13.6
c
9.9
d
11.4
e
12.1
f
10.6
6
Find the best approximation of the given square root
A LaTex expression showing square root of 133
a
10.8
b
12.3
c
13.8
d
9.3
e
11.5
f
13
7
Find the best approximation of the given square root
A LaTex expression showing square root of 43
a
5.8
b
8.1
c
8.8
d
6.6
e
4.4
f
5.1