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MC_GT_T1_E6_fig2

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First number line showing jump from 74 to 135. Second number line showing jump from 218 to 153.

Number lines for 'change unknown' problems.
Material from NZ Maths website published by the New Zealand Ministry of Education. Reproduced with permission from the New Zealand Ministry of Education © Crown.

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Using a number line to subtract 63 from 127, first subtracting 60 and then subtracting 3.

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Using a number line to subtract 50 from 137.

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Using a number line to add 43 and 50.

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Number line showing 56 subtracted from an unknown point to reach the result of 37.

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Beginning at 203 then subtracting 80 to reach 123, then 7 to reach the result of 116.

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