Adding and taking away big numbers
Grade 4 · Level 2 · Sheet 1the answers
Free from tutor.in4me.app · 4.NBT.B.4 · Five minutes a day online, and the difficulty follows your child.
- 1.69011−51181
- 2.40631−24659
- 3.58688−29386
- 4.5378−1199
- 5.49573−18149
- 6.30848−22257
- 7.4812−2975
- 8.45796−37502
- 9.24231−2352
- 10.76570−57665
- 11.93315−42016
- 12.78807−54018
Show the answer key
- 1.17,830
- 2.15,972
- 3.29,302
- 4.4,179
- 5.31,424
- 6.8,591
- 7.1,837
- 8.8,294
- 9.21,879
- 10.18,905
- 11.51,299
- 12.24,789
Answer key · Adding and taking away big numbers · Level 2 · Sheet 1
- 1.17,830
- 2.15,972
- 3.29,302
- 4.4,179
- 5.31,424
- 6.8,591
- 7.1,837
- 8.8,294
- 9.21,879
- 10.18,905
- 11.51,299
- 12.24,789
The mistakes behind most wrong answers
A wrong answer in adding and taking away big numbers is rarely random. These are the ones that come up most often, each on a real problem — worth knowing before you mark a sheet, because the fix for each is different.
- 92,635−65,778=?
The answer is 26,857. A child who answers 26,858 probably counted one too many or too few.
- 21,179−2,376=?
The answer is 18,803. A child who answers 23,555 probably added instead of taking away.
- 98,635−32,488=?
The answer is 66,147. A child who answers 32,488 probably answered with one of the numbers shown.
- 86,384+13,237=?
The answer is 99,621. A child who answers 73,147 probably took away instead of adding.
In the app, every wrong answer is matched against mistakes like these, and the weekly email tells you which one your child keeps making — in those words, not as a percentage.