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Year 7
Maths - Estimation
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Zayna Aziz
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Cards (7)
Makes the
numbers
easier to
work
with
Rounds
numbers to 1
significant
figure
Dividing by
1/2
is the same as multiplying by 2
Dividing by
1/5
is the same as multiplying by 5
It is a
mental calculation
The answer will be an
estimate
Estimating
helps us check if our answers are reasonable or not
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