Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 638 · 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 9 ÷ 11 + 3 × 10?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 9 ÷ 13 × 6 + 6?
3. 3.If + means −, − means ÷, × means + and ÷ means ×, what is 2 + 2 × 2 ÷ 2?
4. 4.If + means ÷, − means +, × means − and ÷ means ×, what is 14 − 3 × 4 + 2?
5. 5.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 ÷ 16 × 2 + 10?
6. 6.If + means ÷, − means ×, × means − and ÷ means +, what is 13 − 16 × 10 ÷ 7?
7. 7.If + means ×, − means ÷, × means − and ÷ means +, what is 10 + 11 × 18 − 18?
8. 8.If + means ×, − means +, × means ÷ and ÷ means −, what is 14 + 15 ÷ 12 − 12?
9. 9.If + means ×, − means ÷, × means + and ÷ means −, what is 15 × 10 + 20 ÷ 15?
10. 10.If + means ×, − means ÷, × means + and ÷ means −, what is 20 × 2 + 11 ÷ 7?
11. 11.If + means ÷, − means ×, × means − and ÷ means +, what is 3 ÷ 20 + 2 − 10?
12. 12.If + means −, − means ÷, × means + and ÷ means ×, what is 19 × 16 ÷ 2 + 16?
13. 13.If + means ÷, − means ×, × means − and ÷ means +, what is 20 + 4 − 3 ÷ 17?
14. 14.If + means ×, − means ÷, × means + and ÷ means −, what is 9 + 11 × 9 ÷ 7?
15. 15.If + means −, − means +, × means ÷ and ÷ means ×, what is 3 × 3 + 4 − 12?
16. 16.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 − 18 + 9 ÷ 3?
17. 17.If + means ×, − means ÷, × means − and ÷ means +, what is 15 + 8 − 5 × 12?
18. 18.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 + 4 ÷ 17 − 12?
19. 19.If + means ×, − means ÷, × means − and ÷ means +, what is 12 − 6 × 4 ÷ 16?
20. 20.If + means ÷, − means ×, × means + and ÷ means −, what is 11 ÷ 18 × 15 − 14?
21. 21.If + means ×, − means +, × means ÷ and ÷ means −, what is 17 + 19 ÷ 12 − 12?
22. 22.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 ÷ 7 − 10 + 12?
23. 23.If + means −, − means ÷, × means + and ÷ means ×, what is 16 × 6 ÷ 8 + 7?
24. 24.If + means ÷, − means ×, × means + and ÷ means −, what is 10 − 6 ÷ 3 × 15?
25. 25.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 − 18 ÷ 3 + 6?
26. 26.If + means −, − means +, × means ÷ and ÷ means ×, what is 10 + 14 − 8 ÷ 19?
27. 27.If + means ×, − means ÷, × means + and ÷ means −, what is 15 + 9 × 5 ÷ 2?
28. 28.If + means ÷, − means +, × means − and ÷ means ×, what is 16 − 15 + 15 ÷ 3?
29. 29.If + means ÷, − means ×, × means − and ÷ means +, what is 19 ÷ 12 − 4 × 2?
30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 − 9 ÷ 6 + 8?
31. 31.If + means ÷, − means ×, × means − and ÷ means +, what is 19 − 3 × 13 ÷ 7?
32. 32.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 ÷ 10 × 5 − 15?
33. 33.If + means −, − means ÷, × means + and ÷ means ×, what is 4 ÷ 4 × 7 + 7?
34. 34.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 − 14 + 4 ÷ 15?
35. 35.If + means ×, − means ÷, × means − and ÷ means +, what is 17 + 7 × 4 ÷ 4?
36. 36.If + means −, − means +, × means ÷ and ÷ means ×, what is 7 + 18 − 7 ÷ 11?
37. 37.If + means ×, − means ÷, × means + and ÷ means −, what is 18 + 10 ÷ 11 × 14?
38. 38.If + means −, − means +, × means ÷ and ÷ means ×, what is 19 + 6 ÷ 2 − 6?
39. 39.If + means ×, − means ÷, × means − and ÷ means +, what is 6 × 13 ÷ 18 + 3?
40. 40.If + means ÷, − means ×, × means − and ÷ means +, what is 3 + 3 − 6 ÷ 13?

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