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Daniel Math Academy · Grade 5 Math

Estimate Sums & Differences of Decimals

Skill M.1 · Adding & subtracting decimals · ★★☆ Medium · Quarter 2

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Round each decimal to the place named, then add or subtract to estimate.

1. 1
   Nearest whole number: $75.79+13.87$
2. 2
   Nearest whole number: $75.57-36.45$
3. 3
   Nearest whole number: $70.78+55.46$
4. 4
   Nearest whole number: $90.17+24.59$
5. 5
   Nearest whole number: $20.61-11.43$
6. 6
   Nearest whole number: $3.05+72.13$

Daniel Math Academy · Grade 5 Math

Answer Key

M.1 Estimate Sums & Differences of Decimals · ★★☆ Medium

1. 1$76+14=90$
2. 2$76-36=40$
3. 3$71+55=126$
4. 4$90+25=115$
5. 5$21-11=10$
6. 6$3+72=75$