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Media > TDT > Mental computation > MC_GT_T1_E3_A3_fig2

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MC_GT_T1_E3_A3_fig2

MC_GT_T1_E3_A3_fig2

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.

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