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Finding a Reasonable Solution
Find a reasonable estimate for problems #3 through #6. If you “break the rule”, justify with an explanation.
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| 3) 6.33 + 4.88
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| 4) 15.92 + 7.462
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| 5) 24.288 – 6.975
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| 6) 7.12 – 0.458
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Adding and Subtracting Decimals Using Decimal Fractions
Solve problems #7 through #10 using decimal fractions to prove the answer. Express the answer as both a decimal and a decimal fraction. For example: if the answer is 2.3, state the answer as 2.3 = 2 3/10.
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| 7) 7.234 + 5.95
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| 8) 6.1 + 9 + 3.84
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| 9) 17.284 – 12.89
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| 10) 23 – 3.7
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Adding and Subtracting Decimals
Solve questions #11 through #15. Check through estimation to see if the answer is reasonable. Write the estimate and the answer as a decimal for each problem.
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| 11) 7.56 + 23.9
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| 12) 9.28 – 2.56
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| 13) 4.2 – 1.76
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| 14) 9 – 4.31
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| 15) 6.9 + 8
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| 18) Select which answer is reasonable for the given problem.
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| 20) Select the largest mixed fraction.
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| 22) Select the triangle that would be next in the pattern.
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| 24) Jenny is putting together bags of candy. She made a chart to represent her data but forgot to take the paper out of her pocket before her jeans were washed. Below are pieces of her chart. Print out the chart and fill in the missing numbers. State the missing numbers in order starting with Number of Bags and the numbers missing in that row, then suckers and missing numbers, then candy bars and missing numbers, and finally bubble gum and missing numbers.
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| 25) Solve.
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| 26) If you were directed by your school to complete Offline Activities for this course, please enter the information on the Log Entry form. |
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| No offline activities found |
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