AC9M7N01Year 7NumberPractised on site

AC9M7N01 — Year 7 Number

Official Curriculum Content Description:

describe the relationship between perfect square numbers and square roots, and use squares of numbers and square roots of perfect square numbers to solve problems

Worked Examples (1)

Example 1Square Roots & Perfect Squares
Evaluate: 222^2
Common mistake: Confusing squaring with multiplying by 2, or confusing square root with division by 2 or 4
Correct Answer:44
Worked Solution:
To square a number, multiply it by itself: 22=2×2=42^2 = 2 \times 2 = 4.

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