Estimate Sums & Differences of Decimals

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: $78.06-10.08$
2. 2
   Nearest whole number: $54.53-14.61$
3. 3
   Nearest whole number: $40.03+99.74$
4. 4
   Nearest whole number: $20.43+42.08$
5. 5
   Nearest whole number: $96.07-50.14$
6. 6
   Nearest whole number: $90.32-4.57$

Daniel Math Academy · Grade 5 Math

Answer Key

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

1. 1$78-10=68$
2. 2$55-15=40$
3. 3$40+100=140$
4. 4$20+42=62$
5. 5$96-50=46$
6. 6$90-5=85$