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Media > TDT > Mental computation > MC_GT_T1_E6_fig1

MC_GT_T1_E6_fig1

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

Number line for 'result unknown' problem.
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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