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Daniel Math Academy · Grade 3 Math

Estimate Sums

Skill C.4 · Rounding & estimating · ★★☆ Medium · Quarter 1

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Round each number to the place shown, then estimate.

1. 1
   Nearest hundred: $545+970$
2. 2
   Nearest ten: $12+86$
3. 3
   Nearest hundred: $880+274$
4. 4
   Nearest hundred: $989+862$
5. 5
   Nearest ten: $21+45$
6. 6
   Nearest hundred: $965+275$
7. 7
   Nearest ten: $12+64$
8. 8
   Nearest hundred: $797+964$

Daniel Math Academy · Grade 3 Math

Answer Key

C.4 Estimate Sums · ★★☆ Medium

1. 1$500+1,000=1,500$
2. 2$10+90=100$
3. 3$900+300=1,200$
4. 4$1,000+900=1,900$
5. 5$20+50=70$
6. 6$1,000+300=1,300$
7. 7$10+60=70$
8. 8$800+1,000=1,800$