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Media > TDT > Mental computation > MC_GT_T1_E3_A2_fig2

MC_GT_T1_E3_A2_fig2

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Using a number line to subtract 50 from 137.

Screen grab 2 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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First number line showing jump from 74 to 135. Second number line showing jump from 218 to 153.

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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 63 from 127, first subtracting 60 and then subtracting 3.

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Using a number line to add 43 and 50.

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