Skip to content
LessonPrint

Add and Subtract Within 1000 is a free printable Grade 2 math worksheet on judging three-digit sums and differences, aligned to Common Core standard 2.NBT.B.7. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 21 of 25 · the same problems every time you open this link.

Next set

One paper per student

12345678910111213141516171819202122232425

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Add and Subtract Within 1000

2.NBT.B.7

NameDate

Write true or false. If false, write the right answer.

1.True or false? 673 − 46 = 627
2.True or false? 264 + 40 = 304
3.True or false? 574 + 92 = 666
4.True or false? 490 − 55 = 445
5.True or false? 853 + 54 = 807
6.True or false? 628 − 95 = 533
7.True or false? 146 − 64 = 122
8.True or false? 346 + 64 = 300
9.True or false? 780 − 31 = 749
10.True or false? 363 − 54 = 311
11.True or false? 866 + 94 = 960
12.True or false? 264 + 84 = 248

LessonPrint · 2.NBT.B.7 · Set 21 · free to copy for classroom use

Answer key — Add and Subtract Within 1000

Set 21. Prints on its own sheet.

  1. 1.true
  2. 2.true
  3. 3.true
  4. 4.false — 435
  5. 5.false — 907
  6. 6.true
  7. 7.false — 82
  8. 8.false — 410
  9. 9.true
  10. 10.false — 309
  11. 11.true
  12. 12.false — 348

Last reviewed 2026-09-05. Aligned to 2.NBT.B.7 of the Common Core State Standards for Mathematics.