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Mixed math facts

Printable mixed math facts drills for grades 1–4. Each page has one line telling the student what to do and 30 or 45 numbered problems, with an answer key numbered the same way, so checking takes a minute.

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Sample sheet and answer key

Mixed facts

+ and − within 20 · 30 problems

NameDate

Watch the sign! Write each answer in the box.

Score / 30Time

  1. 1.6+2=
  2. 2.2+10=
  3. 3.12−9=
  4. 4.6+7=
  5. 5.10+9=
  6. 6.6+9=
  7. 7.11−3=
  8. 8.7+5=
  9. 9.16−8=
  10. 10.9−6=
  11. 11.8−1=
  12. 12.12−5=
  13. 13.5+9=
  14. 14.2+8=
  15. 15.15−7=
  16. 16.9+2=
  17. 17.11−7=
  18. 18.15−6=
  19. 19.8−5=
  20. 20.3+7=
  21. 21.5−1=
  22. 22.18−8=
  23. 23.9−1=
  24. 24.5+2=
  25. 25.3+9=
  26. 26.7+2=
  27. 27.10−1=
  28. 28.14−9=
  29. 29.8−7=
  30. 30.15−9=
Mathness! Math Worksheets · © 2026 Zubin KhavarianCode D-XFADDSUB-FIRST at mathness.app
Sheet

Mixed facts

+ and − within 20 · 30 problems

Answer key

Watch the sign! Write each answer in the box.

Score 30 / 30Time

  1. 1.6+2=8
  2. 2.2+10=12
  3. 3.12−9=3
  4. 4.6+7=13
  5. 5.10+9=19
  6. 6.6+9=15
  7. 7.11−3=8
  8. 8.7+5=12
  9. 9.16−8=8
  10. 10.9−6=3
  11. 11.8−1=7
  12. 12.12−5=7
  13. 13.5+9=14
  14. 14.2+8=10
  15. 15.15−7=8
  16. 16.9+2=11
  17. 17.11−7=4
  18. 18.15−6=9
  19. 19.8−5=3
  20. 20.3+7=10
  21. 21.5−1=4
  22. 22.18−8=10
  23. 23.9−1=8
  24. 24.5+2=7
  25. 25.3+9=12
  26. 26.7+2=9
  27. 27.10−1=9
  28. 28.14−9=5
  29. 29.8−7=1
  30. 30.15−9=6
Mathness! Math Worksheets · © 2026 Zubin KhavarianCode D-XFADDSUB-FIRST at mathness.appAnswer key
Answer key