Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 504 · 40 questions

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.

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

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