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India
Class VIII

Square and Cube Roots Using Factor trees

Interactive practice questions

Use a factor tree to help find the $\sqrt{196}$196.

a

Write $196$196 as a product of prime factors in index notation.

b

Hence find the $\sqrt{196}$196.

Easy
3min

Consider $\sqrt{225}$225.

Easy
2min

Use a factor tree to help find $\sqrt{30625}$30625.

Easy
4min

Use a factor tree to help find $\sqrt{3969}$3969.

Easy
3min
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Outcomes

8.NS.SSCC.2

Square roots using factor method and division method for numbers containing (a) no more than total 4 digits and (b) no more than 2 decimal places

8.NS.SSCC.3

Cubes and cubes roots (only factor method for numbers containing at most 3 digits)

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