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Solve for the Letter is a free printable Grade 4 math worksheet on finding the value of a letter in one-operation equations, aligned to Common Core standard 4.OA.A.3. 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 2 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.

Solve for the Letter

4.OA.A.3

NameDate

Find the value of each letter.

1.2 × y = 18
2.n × 6 = 36
3.k − 16 = 72
4.6 × k = 24
5.x ÷ 4 = 10
6.y ÷ 8 = 3
7.y + 13 = 91
8.y ÷ 12 = 2
9.11 + k = 86
10.x − 7 = 61
11.k − 18 = 35
12.5 + y = 48

LessonPrint · 4.OA.A.3 · Set 2 · free to copy for classroom use

Answer key — Solve for the Letter

Set 2. Prints on its own sheet.

  1. 1.y = 9
  2. 2.n = 6
  3. 3.k = 88
  4. 4.k = 4
  5. 5.x = 40
  6. 6.y = 24
  7. 7.y = 78
  8. 8.y = 24
  9. 9.k = 75
  10. 10.x = 68
  11. 11.k = 53
  12. 12.y = 43

Last reviewed 2026-09-05. Aligned to 4.OA.A.3 of the Common Core State Standards for Mathematics.