needzhewlpnowz3411 needzhewlpnowz3411
  • 19-05-2021
  • Mathematics
contestada

Shin used a doubling and halving strategy to solve 25 times 68. Fill in the blanks in the arrays and the equations to represent her work

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MrRoyal
MrRoyal MrRoyal
  • 21-05-2021

Answer:

[tex]25 * 68 = 1700[/tex]

Step-by-step explanation:

Given

[tex]25 * 68[/tex]

Required

Fill the array using doubling and halving

Question is incomplete, as the array is not given.

However, the solution is as follows:

[tex]25 * 68[/tex]

Double 25 and half 68

[tex]25 * 68 = 50 * 34[/tex]

Double 50 and half 34

[tex]25 * 68 = 100 * 17[/tex]

The above is now easy to solve

[tex]25 * 68 = 1700[/tex]

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