Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 621 · 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 7 − 9 × 13 ÷ 4?
2. 2.If + means ÷, − means ×, × means + and ÷ means −, what is 12 − 8 + 3 ÷ 14?
3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 + 9 ÷ 8 − 20?
4. 4.If + means ×, − means ÷, × means − and ÷ means +, what is 18 − 18 + 20 ÷ 19?
5. 5.If + means ×, − means ÷, × means + and ÷ means −, what is 16 + 9 ÷ 3 × 19?
6. 6.If + means ÷, − means ×, × means + and ÷ means −, what is 7 × 6 − 20 ÷ 6?
7. 7.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 − 6 + 11 ÷ 18?
8. 8.If + means ÷, − means ×, × means − and ÷ means +, what is 6 − 17 ÷ 2 + 2?
9. 9.If + means ÷, − means ×, × means − and ÷ means +, what is 12 × 8 + 4 ÷ 13?
10. 10.If + means ×, − means +, × means ÷ and ÷ means −, what is 11 + 10 − 9 ÷ 4?
11. 11.If + means ÷, − means +, × means − and ÷ means ×, what is 18 ÷ 3 × 16 − 20?
12. 12.If + means ÷, − means ×, × means + and ÷ means −, what is 14 × 20 − 14 ÷ 13?
13. 13.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 + 16 ÷ 2 − 14?
14. 14.If + means ×, − means ÷, × means + and ÷ means −, what is 12 ÷ 18 − 6 + 4?
15. 15.If + means ÷, − means +, × means − and ÷ means ×, what is 4 ÷ 16 × 2 − 16?
16. 16.If + means ÷, − means ×, × means − and ÷ means +, what is 4 + 4 − 7 × 5?
17. 17.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 ÷ 15 − 8 × 12?
18. 18.If + means ×, − means +, × means ÷ and ÷ means −, what is 13 ÷ 7 − 10 + 16?
19. 19.If + means ÷, − means ×, × means + and ÷ means −, what is 20 ÷ 4 − 7 × 12?
20. 20.If + means ×, − means ÷, × means + and ÷ means −, what is 10 + 13 ÷ 19 − 19?
21. 21.If + means ÷, − means ×, × means + and ÷ means −, what is 8 + 4 × 16 ÷ 12?
22. 22.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 ÷ 11 − 12 + 16?
23. 23.If + means ÷, − means ×, × means + and ÷ means −, what is 20 + 5 × 9 ÷ 13?
24. 24.If + means −, − means ×, × means ÷ and ÷ means +, what is 3 − 9 + 10 ÷ 8?
25. 25.If + means ×, − means ÷, × means + and ÷ means −, what is 20 − 4 + 7 × 12?
26. 26.If + means ×, − means ÷, × means + and ÷ means −, what is 12 × 4 + 2 ÷ 11?
27. 27.If + means −, − means ÷, × means + and ÷ means ×, what is 18 − 9 × 9 + 9?
28. 28.If + means ×, − means +, × means ÷ and ÷ means −, what is 3 + 10 ÷ 3 − 4?
29. 29.If + means ÷, − means ×, × means + and ÷ means −, what is 4 × 19 ÷ 4 − 2?
30. 30.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 + 12 × 2 − 7?
31. 31.If + means ÷, − means ×, × means + and ÷ means −, what is 5 − 14 × 14 + 2?
32. 32.If + means ×, − means ÷, × means − and ÷ means +, what is 3 ÷ 18 + 2 × 15?
33. 33.If + means ÷, − means ×, × means − and ÷ means +, what is 9 × 14 ÷ 18 − 8?
34. 34.If + means ÷, − means +, × means − and ÷ means ×, what is 16 + 4 − 6 ÷ 5?
35. 35.If + means ×, − means ÷, × means − and ÷ means +, what is 14 + 4 ÷ 18 − 9?
36. 36.If + means ×, − means +, × means ÷ and ÷ means −, what is 10 × 10 + 3 − 13?
37. 37.If + means ×, − means ÷, × means + and ÷ means −, what is 8 − 2 × 12 + 19?
38. 38.If + means −, − means ÷, × means + and ÷ means ×, what is 20 − 5 × 20 ÷ 7?
39. 39.If + means −, − means +, × means ÷ and ÷ means ×, what is 14 ÷ 5 + 12 − 16?
40. 40.If + means ×, − means ÷, × means − and ÷ means +, what is 8 + 12 ÷ 18 × 11?

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