Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 267 · 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 10 × 9 + 2 ÷ 6?
2. 2.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 + 2 − 15 ÷ 8?
3. 3.If + means ÷, − means ×, × means + and ÷ means −, what is 16 + 4 − 14 × 5?
4. 4.If + means ÷, − means ×, × means − and ÷ means +, what is 7 ÷ 20 − 2 × 19?
5. 5.If + means ÷, − means ×, × means − and ÷ means +, what is 13 × 5 − 3 ÷ 19?
6. 6.If + means ×, − means +, × means ÷ and ÷ means −, what is 6 + 15 − 6 ÷ 3?
7. 7.If + means ÷, − means +, × means − and ÷ means ×, what is 13 × 19 + 19 − 11?
8. 8.If + means ×, − means ÷, × means − and ÷ means +, what is 6 ÷ 9 + 16 × 15?
9. 9.If + means ÷, − means +, × means − and ÷ means ×, what is 7 − 20 ÷ 15 × 5?
10. 10.If + means ÷, − means ×, × means + and ÷ means −, what is 14 + 2 − 15 ÷ 11?
11. 11.If + means ×, − means ÷, × means − and ÷ means +, what is 7 + 8 ÷ 8 × 10?
12. 12.If + means ÷, − means ×, × means − and ÷ means +, what is 3 − 10 + 3 × 10?
13. 13.If + means ×, − means ÷, × means + and ÷ means −, what is 13 ÷ 7 × 12 + 5?
14. 14.If + means ÷, − means ×, × means − and ÷ means +, what is 8 − 18 × 10 ÷ 6?
15. 15.If + means ÷, − means ×, × means + and ÷ means −, what is 2 × 9 − 12 + 6?
16. 16.If + means −, − means +, × means ÷ and ÷ means ×, what is 4 ÷ 5 + 7 − 6?
17. 17.If + means ×, − means ÷, × means − and ÷ means +, what is 12 − 4 + 14 × 10?
18. 18.If + means ÷, − means ×, × means − and ÷ means +, what is 9 − 2 × 14 + 14?
19. 19.If + means ×, − means ÷, × means − and ÷ means +, what is 7 + 9 × 19 ÷ 3?
20. 20.If + means −, − means ÷, × means + and ÷ means ×, what is 10 ÷ 3 × 5 + 7?
21. 21.If + means −, − means ÷, × means + and ÷ means ×, what is 6 × 3 ÷ 3 + 9?
22. 22.If + means ÷, − means +, × means − and ÷ means ×, what is 16 ÷ 3 − 11 × 6?
23. 23.If + means −, − means ÷, × means + and ÷ means ×, what is 4 ÷ 13 × 3 + 14?
24. 24.If + means ÷, − means ×, × means − and ÷ means +, what is 4 × 4 ÷ 20 − 8?
25. 25.If + means ÷, − means ×, × means − and ÷ means +, what is 5 − 5 × 12 ÷ 5?
26. 26.If + means −, − means ÷, × means + and ÷ means ×, what is 15 × 13 + 2 ÷ 3?
27. 27.If + means ÷, − means ×, × means − and ÷ means +, what is 18 + 3 − 7 ÷ 11?
28. 28.If + means −, − means ÷, × means + and ÷ means ×, what is 16 × 5 ÷ 6 − 3?
29. 29.If + means −, − means ÷, × means + and ÷ means ×, what is 17 × 5 ÷ 16 + 4?
30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 + 13 ÷ 11 − 16?
31. 31.If + means ÷, − means +, × means − and ÷ means ×, what is 6 ÷ 14 − 20 × 10?
32. 32.If + means −, − means +, × means ÷ and ÷ means ×, what is 16 ÷ 14 + 17 − 19?
33. 33.If + means ×, − means ÷, × means + and ÷ means −, what is 6 + 13 − 2 ÷ 2?
34. 34.If + means −, − means ×, × means ÷ and ÷ means +, what is 16 − 3 + 9 × 3?
35. 35.If + means −, − means ÷, × means + and ÷ means ×, what is 17 + 8 ÷ 7 − 14?
36. 36.If + means ÷, − means ×, × means + and ÷ means −, what is 18 × 14 − 20 ÷ 7?
37. 37.If + means −, − means +, × means ÷ and ÷ means ×, what is 5 − 8 ÷ 16 + 17?
38. 38.If + means ÷, − means +, × means − and ÷ means ×, what is 14 × 3 ÷ 7 − 7?
39. 39.If + means ×, − means ÷, × means + and ÷ means −, what is 7 × 14 − 2 + 14?
40. 40.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 16 × 10 + 7?

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