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GCSE Maths > Estimating > Flashcards

Estimating Flashcards

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1
Q

How do you estimate?

A

Round each number to 1significant figure. Then work out the new calculation.

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2
Q

Estimate 35.2 x 518.9

A

~ 40x500

~20000

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3
Q

Estimate 651x46.1/0.49

A 
~700x50/0.5
~35000/0.5
~350000/5
~70000/1
~70000
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GCSE Maths (24 decks)

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