Math story 97 · Multiplication

The 9 Times Trick

Watch and solve along: the video pauses when the question comes. Type your answer, then watch the solution.

Worksheet to practise along

Two-page printable task sheet (A4): the question from the video, five more tasks on the same topic, a puzzle, plus solutions and a short note for parents and teachers – free, no sign-up.

Open the worksheet as PDF (2 pages) · 298 KB

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Read the story

What is 9 times 7? There is a trick for that.

First we do 10 times 7. That's 70, easy: we just add a zero.

That is one 7 too many. We take one row away: 70 minus 7 is 63.

What is 9 times 6?

Answer and working

Correct! 10 times 6 is 60, minus 6 is 54.

9 × 6 = 54

Multiplication

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