One-step equations: addition and subtraction

  • Level: Grade 6
  • Free
  • Printable
  • Answer key included

Each equation needs one inverse operation: subtract to undo an addition, add to undo a subtraction. Every solution is a whole number from 0 to 60. One-step equations are a sixth-grade standard (Common Core 6.EE.B.7).

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Grade 6
One-step equations: addition and subtraction

Solve for x.

Name Date Score / 16
  1. 1.
    x + 20 = 46x =
  2. 2.
    x − 21 = 7x =
  3. 3.
    x − 28 = 24x =
  4. 4.
    2 + x = 14x =
  5. 5.
    x + 5 = 25x =
  6. 6.
    x + 23 = 27x =
  7. 7.
    2 + x = 31x =
  8. 8.
    30 + x = 57x =
MathSheetLab · mathlabs.pages.devWorksheet #189154Page 1 of 2
Grade 6
One-step equations: addition and subtraction (continued)
  1. 9.
    x − 16 = 8x =
  2. 10.
    x − 20 = 29x =
  3. 11.
    x + 28 = 35x =
  4. 12.
    19 + x = 30x =
  5. 13.
    x − 29 = 11x =
  6. 14.
    x + 11 = 35x =
  7. 15.
    x + 15 = 45x =
  8. 16.
    x − 5 = 15x =
MathSheetLab · mathlabs.pages.devWorksheet #189154Page 2 of 2
Grade 6
One-step equations: addition and subtractionAnswer key
  1. 1.
    x + 20 = 46x = 26
  2. 2.
    x − 21 = 7x = 28
  3. 3.
    x − 28 = 24x = 52
  4. 4.
    2 + x = 14x = 12
  5. 5.
    x + 5 = 25x = 20
  6. 6.
    x + 23 = 27x = 4
  7. 7.
    2 + x = 31x = 29
  8. 8.
    30 + x = 57x = 27
  9. 9.
    x − 16 = 8x = 24
  10. 10.
    x − 20 = 29x = 49
  11. 11.
    x + 28 = 35x = 7
  12. 12.
    19 + x = 30x = 11
  13. 13.
    x − 29 = 11x = 40
  14. 14.
    x + 11 = 35x = 24
  15. 15.
    x + 15 = 45x = 30
  16. 16.
    x − 5 = 15x = 20
MathSheetLab · mathlabs.pages.devWorksheet #189154

About this worksheet

Each sheet contains 12, 16 or 20 problems (your choice) and is generated at random. Press “New problems” as many times as you like; there is no limit and no account needed.

Worked example

x − 5 = 11x =
  1. Undo the subtraction: add 5 to both sides.
  2. x = 11 + 5 = 16.
  3. Check: 16 − 5 = 11.

Answer: 16

Teaching tips

  • Ask students to check each answer by putting it back into the equation.

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