Multiplication and Division

NZ Level 3

Distributive property for multiplication

Use the fact that $9\times10=90$9×10=90 and $9\times7=63$9×7=63 to answer the following questions.

a

Fill in the blank to make the statement true.

$9\times17=9\times\left(\editable{}+7\right)$9×17=9×(+7)

b

Fill in the blanks to make the statement true.

$9\times\left(10+7\right)=9\times\editable{}+9\times\editable{}$9×(10+7)=9×+9×

c

Use the answers from part (a) and part (b) to find $9\times17$9×17.

Easy

Approx 2 minutes

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Use a range of additive and simple multiplicative strategies with whole numbers, fractions, decimals, and percentages.

Generalise the properties of addition and subtraction with whole numbers