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Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 439 · 40 questions
TalentJR

How to think it through (Swap, then BODMAS): Rewrite the sum, swapping every sign for what it means. BODMAS: do × and ÷ first, from left to right. Then do + and −, from left to right.

NameDateTime takenScore ___ / 40
  1. 1.If + means −, − means ÷, × means + and ÷ means ×, what is 18 × 7 ÷ 5 + 16?
  2. 2.If + means ×, − means ÷, × means + and ÷ means −, what is 8 × 3 + 17 ÷ 18?
  3. 3.If + means ÷, − means ×, × means − and ÷ means +, what is 10 − 9 ÷ 17 × 20?
  4. 4.If + means ÷, − means ×, × means + and ÷ means −, what is 13 ÷ 10 − 12 + 12?
  5. 5.If + means ÷, − means +, × means − and ÷ means ×, what is 10 × 10 − 17 ÷ 6?
  6. 6.If + means ×, − means ÷, × means + and ÷ means −, what is 2 × 14 + 15 ÷ 7?
  7. 7.If + means ×, − means +, × means ÷ and ÷ means −, what is 9 ÷ 13 − 19 + 13?
  8. 8.If + means ÷, − means ×, × means − and ÷ means +, what is 13 − 7 ÷ 9 × 10?
  9. 9.If + means ×, − means +, × means ÷ and ÷ means −, what is 11 − 8 ÷ 3 + 5?
  10. 10.If + means ×, − means ÷, × means + and ÷ means −, what is 12 − 3 + 5 × 19?
  11. 11.If + means −, − means ÷, × means + and ÷ means ×, what is 5 × 20 ÷ 2 + 20?
  12. 12.If + means ÷, − means +, × means − and ÷ means ×, what is 3 ÷ 3 − 9 × 2?
  13. 13.If + means −, − means +, × means ÷ and ÷ means ×, what is 13 ÷ 13 + 7 − 6?
  14. 14.If + means ×, − means +, × means ÷ and ÷ means −, what is 8 + 3 × 12 − 7?
  15. 15.If + means ÷, − means ×, × means + and ÷ means −, what is 19 ÷ 15 × 4 − 18?
  16. 16.If + means −, − means +, × means ÷ and ÷ means ×, what is 8 − 18 ÷ 5 × 18?
  17. 17.If + means −, − means ÷, × means + and ÷ means ×, what is 2 × 6 ÷ 8 − 12?
  18. 18.If + means ÷, − means +, × means − and ÷ means ×, what is 6 ÷ 7 + 6 − 18?
  19. 19.If + means −, − means ÷, × means + and ÷ means ×, what is 10 − 5 × 3 ÷ 12?
  20. 20.If + means ×, − means ÷, × means + and ÷ means −, what is 19 ÷ 15 × 7 + 19?
  21. 21.If + means ÷, − means ×, × means − and ÷ means +, what is 15 ÷ 10 + 2 − 4?
  22. 22.If + means ×, − means ÷, × means − and ÷ means +, what is 16 + 2 × 20 − 5?
  23. 23.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 ÷ 6 − 11 × 11?
  24. 24.If + means −, − means ÷, × means + and ÷ means ×, what is 13 ÷ 15 + 8 × 9?
  25. 25.If + means ×, − means +, × means ÷ and ÷ means −, what is 7 − 15 × 3 ÷ 12?
  26. 26.If + means ÷, − means ×, × means − and ÷ means +, what is 15 + 5 − 6 ÷ 20?
  27. 27.If + means −, − means +, × means ÷ and ÷ means ×, what is 10 − 3 + 12 × 3?
  28. 28.If + means −, − means +, × means ÷ and ÷ means ×, what is 12 ÷ 3 + 17 − 10?
  29. 29.If + means ×, − means ÷, × means − and ÷ means +, what is 20 × 12 ÷ 2 + 13?
  30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 − 6 ÷ 3 + 2?
  31. 31.If + means ×, − means ÷, × means + and ÷ means −, what is 15 − 3 × 5 ÷ 4?
  32. 32.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 × 2 ÷ 5 − 2?
  33. 33.If + means ×, − means +, × means ÷ and ÷ means −, what is 16 − 16 + 9 × 18?
  34. 34.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 + 13 × 13 − 10?
  35. 35.If + means ÷, − means ×, × means + and ÷ means −, what is 4 ÷ 4 × 19 − 12?
  36. 36.If + means ÷, − means ×, × means − and ÷ means +, what is 4 − 11 × 2 ÷ 4?
  37. 37.If + means ×, − means +, × means ÷ and ÷ means −, what is 13 − 3 + 4 ÷ 5?
  38. 38.If + means ×, − means ÷, × means + and ÷ means −, what is 8 + 4 × 10 ÷ 9?
  39. 39.If + means ×, − means +, × means ÷ and ÷ means −, what is 4 − 11 + 11 ÷ 4?
  40. 40.If + means ×, − means ÷, × means − and ÷ means +, what is 9 ÷ 13 + 19 × 14?

Answer key

  1. 37
  2. 41
  3. 87
  4. 3
  5. 102
  6. 205
  7. 243
  8. 90
  9. 4
  10. 39
  11. 25
  12. 16
  13. 168
  14. 9
  15. 76
  16. 13
  17. 6
  18. 25
  19. 38
  20. 137
  21. 35
  22. 28
  23. 17
  24. 196
  25. 0
  26. 38
  27. 9
  28. 29
  29. 34
  30. 13
  31. 6
  32. 52
  33. 24
  34. 29
  35. 228
  36. 46
  37. 20
  38. 33
  39. 121
  40. 242

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