Estimating Decimals & Percents
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
Use the benchmark
50
%
50\%
50%
. What is the estimate of
49
%
49\%
49%
of
86
86
86
?
QUESTION
Without multiplying, is
1.2
×
50
1.2 \times 50
1.2
×
50
greater than or less than
50
50
50
, and why?
QUESTION
Round each factor to the nearest whole number. What is the estimate of
7.9
×
3.2
7.9 \times 3.2
7.9
×
3.2
?
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ANSWER
24
24
24
. The estimate is
8
×
3
8 \times 3
8
×
3
.
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