Grades 6-8 Fcat 2.0 Mathematics Reference Sheet Page 8
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20Objective: Estimate to determine the product of a decimal and a whole number
Example: Multiply 6.45 X 7
1. Round to the nearest whole numbers.
6.45 rounds to 6
Since 7 is already a whole number, it stays the same.
2. Multiply the rounded numbers
6 X 7
3. Answer
42
Estimate each of the following multiplication problems. Round all decimals to the nearest whole number.
1.)
6 X 1.65
2.)
0.82 X 4
3.) 3 X 9.95
4.) 12.9 X 7
5.)
Three pairs of shoes are priced at $39.95 each.
6.)
If you work 6 hours at $6.35 an hour, estimate how
Estimate the total cost for the all 3 pairs of
much you would make?
shoes.
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