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Daniel Math Academy · Grade 4 Math

Estimating Sums, Differences & Products

Skill C.3 · Estimation · ★★☆ Medium · Quarter 1

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Round each number to the place shown, then estimate.

1. 1
   Nearest hundred: $740-157$
2. 2
   Nearest hundred: $888+946$
3. 3
   Nearest hundred: $955-494$
4. 4
   Nearest hundred: $570+168$
5. 5
   Nearest hundred: $341+441$
6. 6
   Nearest hundred: $171+843$
7. 7
   Nearest hundred: $817-313$
8. 8
   Nearest hundred: $969-893$

Daniel Math Academy · Grade 4 Math

Answer Key

C.3 Estimating Sums, Differences & Products · ★★☆ Medium

1. 1$700-200=500$
2. 2$900+900=1,800$
3. 3$1,000-500=500$
4. 4$600+200=800$
5. 5$300+400=700$
6. 6$200+800=1,000$
7. 7$800-300=500$
8. 8$1,000-900=100$