Estimation And Approximating Question Preview (ID: 46458)
Unit 3.
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round to a number to a suitable degree of accuracy
a) approximate
b) estimate
c) inverse operation
d) round
approximation of a number or amount, based on a calculation with rounded numbers
a) approximate
b) estimate
c) inverse operation
d) round
the operation that reverses the effect of another
a) approximate
b) estimate
c) inverse operation
d) round
estimate 63 x 28
a) 1800
b) 1764
c) 1700
d) 1864
estimate 13 + 47
a) 40
b) 50
c) 55
d) 60
estimate 157 - 96
a) 100
b) 60
c) 110
d) 40
estimate 1125 ÷ 12
a) 100
b) 70
c) 94
d) 200
estimate 17.8 x 9.9
a) 200
b) 153
c) 100
d) 198
estimate 882 ÷ 31
a) 28.45
b) 29.33
c) 30
d) 35
estimate 44.5 -23.7
a) 20.8
b) 21
c) 19
d) 20
estimate 239.8 x 47.64
a) 11 424.07
b) 11 424
c) 10 000
d) 15 000
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