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Media > TDT > Mental computation > MC_GT_T1_E3_A3_fig2

MC_GT_T1_E3_A3_fig2

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

Screen grab from Number line applet.
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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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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Using a number line to subtract 50 from 137.

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