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True or False Number Sentences is a free printable Grade 1 math worksheet on judging an equation rather than solving it, aligned to Common Core standard 1.OA.D.8. 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 25 of 25 · the same problems every time you open this link.

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

True or False Number Sentences

1.OA.D.8

NameDate

Write true or false.

1.True or false? 2 + 5 = 5 + 1
2.True or false? 4 + 5 = 2 + 7
3.True or false? 5 − 1 = 3 + 1
4.True or false? 5 + 3 = 6 + 2
5.True or false? 1 + 4 = 4 + 1
6.True or false? 11 − 1 = 8 + 1
7.True or false? 7 − 3 = 3 + 2
8.True or false? 5 + 2 = 7
9.True or false? 4 + 2 = 7
10.True or false? 3 + 6 = 9
11.True or false? 3 + 2 = 6
12.True or false? 10 − 4 = 4 + 3

LessonPrint · 1.OA.D.8 · Set 25 · free to copy for classroom use

Answer key — True or False Number Sentences

Set 25. Prints on its own sheet.

  1. 1.false
  2. 2.true
  3. 3.true
  4. 4.true
  5. 5.true
  6. 6.false
  7. 7.false
  8. 8.true
  9. 9.false
  10. 10.true
  11. 11.false
  12. 12.false

Last reviewed 2026-09-05. Aligned to 1.OA.D.8 of the Common Core State Standards for Mathematics.