tay06ler tay06ler

14-09-2016
Mathematics

contestada

multiplying using mental math 14 X 50 using halving and doubling

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overachiever23 overachiever23

14-09-2016

doubling
28x100=2800
2800÷1400

halving
7x25=175
175+175=350 [Or you can multiply]

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