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CanadaON
Grade 4

Multiplication and division by 10

Lesson

Did you know that multiplying a whole number by 10 has a great pattern you can use?  We can also use a similar pattern when dividing whole numbers by 10, so come and take a look at the great pattern we discover.

Worked Examples

Question 1

Find $8\times10$8×10.

Question 2

If $2\times8=16$2×8=16, what is $20\times8$20×8?

Question 3

Evaluate $50\div10$50÷​10.

Outcomes

4.NN3.07

Multiply whole numbers by 10, 100, and 1000, and divide whole numbers by 10 and 100, using mental strategies

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