Estimating Sums, Differences & Products

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: $721-145$
2. 2
   Nearest hundred: $910-458$
3. 3
   Nearest hundred: $426-298$
4. 4
   Nearest hundred: $910-733$
5. 5
   Nearest hundred: $236+465$
6. 6
   Nearest hundred: $493+813$
7. 7
   Nearest hundred: $940-621$
8. 8
   Nearest hundred: $282+212$

Daniel Math Academy · Grade 4 Math

Answer Key

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

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