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WorksheetsEstimating Sums
Total questions: 8
Worksheet time: 6mins
Name
Class
Date
1.
Finish the sentence:
Estimating is ...
a)
An exact answer.
b)
A random guess
c)
A guess that is very close to the actual number.
d)
Another word for equal to.
2.
Estimate to the nearest ten.
578
a)
600
b)
570
c)
580
d)
575
3.
Estimate to the closest hundred:
323
a)
320
b)
400
c)
350
d)
300
4.
What is a compatible number?
a)
Rounding
b)
A number that is equal.
c)
A number that is close to the number being used, but easier to add with.
d)
When we round to the nearest tens place.
5.
Estimate:
413 + 235
4 lines
6.
Estimate to the nearest tens:
78 + 122
4 lines
7.
What can be a compatible number with 487?
a)
500
b)
480
c)
485
d)
490
e)
400
8.
What can be a compaitble number with 93?
a)
90
b)
100
c)
95
d)
80
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