Use rounding to check if an answer is reasonable
4th grade (Year 5 in England) · 16 questions · Common Core: 4.OA.A.3, 4.NBT.A.3 · England: Y5 Addition and subtraction
Name
Date
Score/ 16
Question 1
Felix added 24 698 + 11 725 and got 26 423. Round to the nearest ten thousand to estimate. Is Felix's answer reasonable?
- A. yes
- B. no
Question 2
Estimate 7509 − 6280 by rounding each number to the nearest thousand.
Answer
Question 3
Chloe added 54 888 + 19 370 and got 74 258. Round to the nearest ten thousand to estimate. Is Chloe's answer reasonable?
- A. yes
- B. no
Question 4
Estimate 5757 − 2684 by rounding each number to the nearest thousand.
Answer
Question 5
Chloe added 22 798 + 27 786 and got 50 584. Round to the nearest ten thousand to estimate. Is Chloe's answer reasonable?
- A. yes
- B. no
Question 6
Estimate 7705 − 1390 by rounding each number to the nearest thousand.
Answer
Question 7
Nia added 54 339 + 23 783 and got 78 122. Round to the nearest ten thousand to estimate. Is Nia's answer reasonable?
- A. yes
- B. no
Question 8
Estimate 8771 − 2262 by rounding each number to the nearest thousand.
Answer
Question 9
Mateo added 33 929 + 21 028 and got 44 957. Round to the nearest ten thousand to estimate. Is Mateo's answer reasonable?
- A. yes
- B. no
Question 10
Estimate 3831 + 7258 by rounding each number to the nearest thousand.
Answer
Question 11
Ines added 62 237 + 21 117 and got 73 354. Round to the nearest ten thousand to estimate. Is Ines's answer reasonable?
- A. yes
- B. no
Question 12
Estimate 6102 + 3541 by rounding each number to the nearest thousand.
Answer
Question 13
Hiro added 28 929 + 25 467 and got 54 396. Round to the nearest ten thousand to estimate. Is Hiro's answer reasonable?
- A. yes
- B. no
Question 14
Estimate 3741 − 2535 by rounding each number to the nearest thousand.
Answer
Question 15
Leo added 65 862 + 16 348 and got 82 210. Round to the nearest ten thousand to estimate. Is Leo's answer reasonable?
- A. yes
- B. no
Question 16
Estimate 6367 + 7480 by rounding each number to the nearest thousand.
Answer
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