Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 440 · 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 − 4 + 10 × 13?
2. 2.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 14 × 5 + 9?
3. 3.If + means −, − means ÷, × means + and ÷ means ×, what is 20 + 20 × 10 ÷ 11?
4. 4.If + means ×, − means ÷, × means + and ÷ means −, what is 7 + 11 − 7 ÷ 5?
5. 5.If + means −, − means ÷, × means + and ÷ means ×, what is 16 × 9 ÷ 7 + 7?
6. 6.If + means −, − means ×, × means ÷ and ÷ means +, what is 16 + 20 ÷ 6 − 11?
7. 7.If + means −, − means ÷, × means + and ÷ means ×, what is 14 + 10 − 10 ÷ 2?
8. 8.If + means ×, − means ÷, × means + and ÷ means −, what is 9 × 9 + 14 − 6?
9. 9.If + means ÷, − means ×, × means − and ÷ means +, what is 18 − 13 ÷ 3 × 11?
10. 10.If + means ÷, − means +, × means − and ÷ means ×, what is 17 ÷ 16 − 11 × 18?
11. 11.If + means ÷, − means +, × means − and ÷ means ×, what is 13 × 4 − 10 + 2?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 ÷ 7 − 4 × 14?
13. 13.If + means −, − means ÷, × means + and ÷ means ×, what is 5 × 12 + 12 − 4?
14. 14.If + means ÷, − means +, × means − and ÷ means ×, what is 9 × 9 − 11 ÷ 15?
15. 15.If + means ×, − means ÷, × means − and ÷ means +, what is 19 + 14 ÷ 7 × 9?
16. 16.If + means ÷, − means ×, × means − and ÷ means +, what is 10 ÷ 5 − 19 × 16?
17. 17.If + means ÷, − means ×, × means + and ÷ means −, what is 3 + 3 − 17 × 5?
18. 18.If + means ×, − means ÷, × means + and ÷ means −, what is 14 ÷ 15 × 18 + 20?
19. 19.If + means ×, − means ÷, × means + and ÷ means −, what is 8 × 18 + 18 − 18?
20. 20.If + means −, − means ÷, × means + and ÷ means ×, what is 2 × 11 + 8 − 8?
21. 21.If + means ÷, − means +, × means − and ÷ means ×, what is 6 ÷ 9 × 9 − 18?
22. 22.If + means ×, − means ÷, × means − and ÷ means +, what is 5 ÷ 4 + 19 × 8?
23. 23.If + means ÷, − means ×, × means + and ÷ means −, what is 7 ÷ 15 + 5 × 14?
24. 24.If + means −, − means ÷, × means + and ÷ means ×, what is 17 × 6 ÷ 14 + 5?
25. 25.If + means ÷, − means +, × means − and ÷ means ×, what is 7 ÷ 3 × 16 − 6?
26. 26.If + means −, − means ×, × means ÷ and ÷ means +, what is 6 − 2 ÷ 7 + 17?
27. 27.If + means ÷, − means ×, × means + and ÷ means −, what is 16 ÷ 9 × 19 − 4?
28. 28.If + means ×, − means ÷, × means − and ÷ means +, what is 12 + 17 ÷ 4 × 20?
29. 29.If + means ×, − means ÷, × means + and ÷ means −, what is 10 + 13 × 11 ÷ 19?
30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 − 8 × 2 + 17?
31. 31.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 + 9 − 16 × 8?
32. 32.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 9 + 11 × 2?
33. 33.If + means −, − means ÷, × means + and ÷ means ×, what is 6 ÷ 17 × 10 + 3?
34. 34.If + means ×, − means +, × means ÷ and ÷ means −, what is 6 + 10 − 9 ÷ 20?
35. 35.If + means −, − means +, × means ÷ and ÷ means ×, what is 11 ÷ 17 + 7 − 13?
36. 36.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 ÷ 13 − 3 + 14?
37. 37.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 − 17 × 4 + 19?
38. 38.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 ÷ 3 − 3 + 7?
39. 39.If + means ÷, − means ×, × means + and ÷ means −, what is 16 × 6 + 6 ÷ 15?
40. 40.If + means −, − means +, × means ÷ and ÷ means ×, what is 12 ÷ 5 − 5 + 2?

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