Addition and Subtraction

NZ Level 2

Strategy - Number Line (single and double digit)

Use the number line to find the answer to $9-4$9−4.

a

First place $9$9 on the number line.

b

Place $4$4 on the number line.

c

Use the number line to work out the difference between $9$9 and $4$4.

Easy

Less than a minute

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Use simple additive strategies with whole numbers and fractions