Estimate sums and differences
3rd grade (Year 4 in England) · 16 questions · Common Core: 3.OA.D.8, 3.NBT.A.1 · England: Y3 Addition and subtraction, Y4 Addition and subtraction
Name
Date
Score/ 16
Question 1
Ravi wants to estimate 843 − 177. Which is the best estimate?
- A. 700
- B. 60
- C. 600
- D. 500
Question 2
Estimate 597 + 748 by rounding each number to the nearest hundred first.
Answer
Question 3
Grace wants to estimate 519 + 425. Which is the best estimate?
- A. 90
- B. 1000
- C. 900
- D. 1900
Question 4
Estimate 232 + 702 by rounding each number to the nearest hundred first.
Answer
Question 5
Sofia wants to estimate 662 + 277. Which is the best estimate?
- A. 1000
- B. 1100
- C. 2000
- D. 100
Question 6
Estimate 673 + 531 by rounding each number to the nearest hundred first.
Answer
Question 7
Luis wants to estimate 656 + 395. Which is the best estimate?
- A. 110
- B. 1000
- C. 1100
- D. 1200
Question 8
Estimate 361 + 358 by rounding each number to the nearest hundred first.
Answer
Question 9
Ethan wants to estimate 569 − 197. Which is the best estimate?
- A. 400
- B. 300
- C. 500
- D. 40
Question 10
Estimate 112 + 161 by rounding each number to the nearest hundred first.
Answer
Question 11
Ben wants to estimate 370 + 175. Which is the best estimate?
- A. 600
- B. 60
- C. 500
- D. 1600
Question 12
Estimate 686 + 290 by rounding each number to the nearest hundred first.
Answer
Question 13
Mei wants to estimate 430 + 407. Which is the best estimate?
- A. 80
- B. 800
- C. 1800
- D. 700
Question 14
Estimate 433 + 499 by rounding each number to the nearest hundred first.
Answer
Question 15
Liam wants to estimate 576 + 413. Which is the best estimate?
- A. 1100
- B. 100
- C. 900
- D. 1000
Question 16
Estimate 278 + 388 by rounding each number to the nearest hundred first.
Answer
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