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Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 942 · 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 − 12 ÷ 19 + 6?
  2. 2.If + means ×, − means ÷, × means + and ÷ means −, what is 5 + 3 × 10 ÷ 11?
  3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 + 15 ÷ 3 − 12?
  4. 4.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 + 6 − 12 × 6?
  5. 5.If + means −, − means ÷, × means + and ÷ means ×, what is 15 − 5 × 20 + 11?
  6. 6.If + means ×, − means ÷, × means + and ÷ means −, what is 2 + 14 ÷ 9 × 9?
  7. 7.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 − 2 ÷ 7 + 7?
  8. 8.If + means ×, − means ÷, × means + and ÷ means −, what is 12 ÷ 11 × 20 + 3?
  9. 9.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 ÷ 12 − 2 + 4?
  10. 10.If + means −, − means ÷, × means + and ÷ means ×, what is 10 + 19 × 3 ÷ 6?
  11. 11.If + means ×, − means +, × means ÷ and ÷ means −, what is 10 + 19 ÷ 9 − 2?
  12. 12.If + means −, − means ÷, × means + and ÷ means ×, what is 17 × 6 ÷ 19 − 19?
  13. 13.If + means ÷, − means ×, × means − and ÷ means +, what is 8 − 14 × 2 + 2?
  14. 14.If + means ÷, − means ×, × means − and ÷ means +, what is 17 − 14 × 8 ÷ 5?
  15. 15.If + means ÷, − means +, × means − and ÷ means ×, what is 16 − 3 ÷ 8 × 2?
  16. 16.If + means ×, − means ÷, × means − and ÷ means +, what is 3 − 3 × 14 ÷ 19?
  17. 17.If + means ×, − means ÷, × means + and ÷ means −, what is 15 + 18 − 2 ÷ 17?
  18. 18.If + means −, − means ÷, × means + and ÷ means ×, what is 6 − 3 ÷ 5 × 6?
  19. 19.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 + 4 ÷ 16 × 8?
  20. 20.If + means −, − means +, × means ÷ and ÷ means ×, what is 14 − 5 ÷ 2 + 6?
  21. 21.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 ÷ 13 − 11 + 12?
  22. 22.If + means ×, − means ÷, × means + and ÷ means −, what is 6 ÷ 18 × 6 + 18?
  23. 23.If + means ÷, − means ×, × means + and ÷ means −, what is 10 ÷ 10 × 9 − 10?
  24. 24.If + means ÷, − means ×, × means + and ÷ means −, what is 13 ÷ 2 − 14 × 19?
  25. 25.If + means ÷, − means ×, × means + and ÷ means −, what is 15 × 16 − 11 + 2?
  26. 26.If + means ÷, − means ×, × means + and ÷ means −, what is 12 ÷ 10 × 16 − 16?
  27. 27.If + means ÷, − means ×, × means + and ÷ means −, what is 7 − 4 × 13 ÷ 11?
  28. 28.If + means ×, − means ÷, × means − and ÷ means +, what is 15 + 18 − 2 ÷ 12?
  29. 29.If + means ×, − means +, × means ÷ and ÷ means −, what is 8 × 2 + 6 − 15?
  30. 30.If + means ÷, − means +, × means − and ÷ means ×, what is 4 × 4 − 18 ÷ 10?
  31. 31.If + means ÷, − means ×, × means + and ÷ means −, what is 18 × 18 − 13 + 3?
  32. 32.If + means ÷, − means ×, × means − and ÷ means +, what is 15 − 8 × 2 ÷ 4?
  33. 33.If + means ÷, − means +, × means − and ÷ means ×, what is 10 × 19 − 14 ÷ 16?
  34. 34.If + means −, − means ×, × means ÷ and ÷ means +, what is 10 + 12 ÷ 6 − 10?
  35. 35.If + means −, − means ×, × means ÷ and ÷ means +, what is 12 + 4 ÷ 9 × 3?
  36. 36.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 − 3 + 5 ÷ 18?
  37. 37.If + means ÷, − means ×, × means − and ÷ means +, what is 7 ÷ 3 − 14 × 4?
  38. 38.If + means ×, − means ÷, × means + and ÷ means −, what is 7 ÷ 20 × 18 + 10?
  39. 39.If + means ÷, − means +, × means − and ÷ means ×, what is 4 ÷ 8 − 20 × 17?
  40. 40.If + means ×, − means ÷, × means − and ÷ means +, what is 14 × 4 ÷ 5 + 10?

Answer key

  1. 229
  2. 14
  3. 40
  4. 14
  5. 12
  6. 28
  7. 16
  8. 61
  9. 31
  10. 9
  11. 183
  12. 23
  13. 111
  14. 235
  15. 38
  16. 6
  17. 118
  18. 16
  19. 7
  20. 18
  21. 138
  22. 96
  23. 90
  24. 4
  25. 103
  26. 258
  27. 30
  28. 147
  29. 39
  30. 180
  31. 96
  32. 122
  33. 215
  34. 58
  35. 11
  36. 73
  37. 45
  38. 167
  39. 35
  40. 60

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