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Media > TDT > Mental computation > MC_GT_T1_E6_fig2

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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