Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 663 · 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 × 13 − 13 ÷ 6?
2. 2.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 − 14 ÷ 15 + 11?
3. 3.If + means ×, − means ÷, × means + and ÷ means −, what is 6 + 9 ÷ 4 × 20?
4. 4.If + means ×, − means ÷, × means + and ÷ means −, what is 13 × 19 + 15 ÷ 2?
5. 5.If + means ÷, − means ×, × means − and ÷ means +, what is 14 + 14 ÷ 8 − 2?
6. 6.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 − 13 ÷ 10 + 13?
7. 7.If + means ×, − means +, × means ÷ and ÷ means −, what is 9 + 13 − 8 × 4?
8. 8.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 + 5 ÷ 19 − 6?
9. 9.If + means ×, − means ÷, × means − and ÷ means +, what is 16 ÷ 6 + 9 × 3?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 7 + 20 − 7 × 9?
11. 11.If + means ×, − means +, × means ÷ and ÷ means −, what is 16 − 14 + 8 ÷ 4?
12. 12.If + means ÷, − means ×, × means − and ÷ means +, what is 3 × 13 + 13 ÷ 17?
13. 13.If + means −, − means ÷, × means + and ÷ means ×, what is 9 ÷ 10 × 6 + 14?
14. 14.If + means ×, − means ÷, × means + and ÷ means −, what is 7 × 3 + 19 ÷ 16?
15. 15.If + means ÷, − means ×, × means − and ÷ means +, what is 6 ÷ 20 − 5 × 12?
16. 16.If + means −, − means +, × means ÷ and ÷ means ×, what is 13 − 5 + 16 × 2?
17. 17.If + means −, − means ÷, × means + and ÷ means ×, what is 3 + 7 × 6 ÷ 18?
18. 18.If + means ÷, − means +, × means − and ÷ means ×, what is 2 × 11 − 7 ÷ 5?
19. 19.If + means ×, − means ÷, × means + and ÷ means −, what is 14 + 6 ÷ 15 − 5?
20. 20.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 14 + 20 × 5?
21. 21.If + means ×, − means ÷, × means − and ÷ means +, what is 5 + 4 × 5 − 5?
22. 22.If + means ÷, − means ×, × means − and ÷ means +, what is 16 ÷ 16 − 10 × 7?
23. 23.If + means ×, − means +, × means ÷ and ÷ means −, what is 15 + 12 − 10 ÷ 17?
24. 24.If + means ÷, − means +, × means − and ÷ means ×, what is 4 × 19 − 13 ÷ 19?
25. 25.If + means ×, − means ÷, × means + and ÷ means −, what is 7 ÷ 9 × 6 + 12?
26. 26.If + means −, − means ×, × means ÷ and ÷ means +, what is 3 − 19 + 4 ÷ 6?
27. 27.If + means ÷, − means +, × means − and ÷ means ×, what is 12 − 7 × 18 + 9?
28. 28.If + means ×, − means ÷, × means − and ÷ means +, what is 18 ÷ 6 − 6 + 9?
29. 29.If + means ×, − means ÷, × means − and ÷ means +, what is 15 × 6 ÷ 6 + 15?
30. 30.If + means ÷, − means ×, × means + and ÷ means −, what is 12 − 13 ÷ 2 × 4?
31. 31.If + means ×, − means +, × means ÷ and ÷ means −, what is 7 − 13 + 5 ÷ 20?
32. 32.If + means −, − means +, × means ÷ and ÷ means ×, what is 4 + 20 − 7 ÷ 13?
33. 33.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 ÷ 16 − 11 + 6?
34. 34.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 − 12 + 16 × 8?
35. 35.If + means ÷, − means ×, × means + and ÷ means −, what is 11 − 13 × 7 ÷ 12?
36. 36.If + means ×, − means ÷, × means − and ÷ means +, what is 19 + 20 × 6 ÷ 11?
37. 37.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 + 13 ÷ 18 − 16?
38. 38.If + means ÷, − means ×, × means + and ÷ means −, what is 10 − 4 + 5 × 12?
39. 39.If + means ×, − means ÷, × means − and ÷ means +, what is 15 ÷ 15 + 14 × 13?
40. 40.If + means ÷, − means ×, × means − and ÷ means +, what is 8 × 4 ÷ 20 − 18?

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