A LITTLE FURTHER

Square numbers.

Get comfortable with numbers multiplied by themselves. Small squares are useful building blocks.

YOUR PRACTICE SET10 questions · no timer

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Question 1 of 10No sign-up. No pressure.
ONE TO WORK THROUGH

Here’s a way to do it.

13² = 169
  1. 13² means 13 × 13.
  2. 13 × 10 = 130 and 13 × 3 = 39.
  3. 130 + 39 = 169.

Squaring means multiplying a number by itself, not multiplying it by 2. For a nearby square, (n + 1)² = n² + 2n + 1.

10 questions, plus an answer key on a separate page. For more questions or another level, use the square numbers worksheets.