Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 89 · 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 + 12 − 10 ÷ 14?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 9 − 15 ÷ 18 × 9?
3. 3.If + means −, − means +, × means ÷ and ÷ means ×, what is 6 − 9 ÷ 7 + 11?
4. 4.If + means ÷, − means +, × means − and ÷ means ×, what is 20 + 2 × 6 − 16?
5. 5.If + means ×, − means ÷, × means − and ÷ means +, what is 6 + 18 ÷ 14 × 6?
6. 6.If + means ×, − means ÷, × means + and ÷ means −, what is 2 + 9 ÷ 5 × 17?
7. 7.If + means −, − means +, × means ÷ and ÷ means ×, what is 8 − 5 ÷ 17 + 16?
8. 8.If + means ÷, − means +, × means − and ÷ means ×, what is 20 ÷ 17 + 20 × 4?
9. 9.If + means ÷, − means +, × means − and ÷ means ×, what is 4 − 13 ÷ 13 × 7?
10. 10.If + means −, − means ÷, × means + and ÷ means ×, what is 11 ÷ 18 + 2 × 4?
11. 11.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 × 5 ÷ 20 − 6?
12. 12.If + means ÷, − means ×, × means − and ÷ means +, what is 9 − 10 ÷ 6 × 4?
13. 13.If + means ÷, − means +, × means − and ÷ means ×, what is 15 + 3 × 9 − 9?
14. 14.If + means ÷, − means ×, × means − and ÷ means +, what is 5 × 15 ÷ 9 − 12?
15. 15.If + means −, − means ÷, × means + and ÷ means ×, what is 5 ÷ 4 + 10 − 2?
16. 16.If + means ÷, − means ×, × means + and ÷ means −, what is 18 + 9 ÷ 7 × 8?
17. 17.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 + 8 ÷ 11 − 11?
18. 18.If + means ÷, − means ×, × means − and ÷ means +, what is 11 × 20 + 10 − 2?
19. 19.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 − 18 + 15 × 3?
20. 20.If + means ×, − means +, × means ÷ and ÷ means −, what is 8 + 16 − 17 ÷ 6?
21. 21.If + means ×, − means ÷, × means − and ÷ means +, what is 17 ÷ 8 + 4 × 13?
22. 22.If + means ×, − means +, × means ÷ and ÷ means −, what is 15 ÷ 19 − 13 + 3?
23. 23.If + means ÷, − means ×, × means + and ÷ means −, what is 12 − 14 × 4 ÷ 18?
24. 24.If + means ÷, − means +, × means − and ÷ means ×, what is 3 × 17 − 5 ÷ 6?
25. 25.If + means ÷, − means +, × means − and ÷ means ×, what is 2 × 14 − 15 ÷ 5?
26. 26.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 ÷ 10 − 10 + 4?
27. 27.If + means ÷, − means ×, × means − and ÷ means +, what is 7 ÷ 11 − 16 × 16?
28. 28.If + means ÷, − means ×, × means + and ÷ means −, what is 20 × 15 − 18 ÷ 11?
29. 29.If + means ×, − means +, × means ÷ and ÷ means −, what is 11 + 12 − 16 ÷ 12?
30. 30.If + means ÷, − means ×, × means − and ÷ means +, what is 14 ÷ 19 − 4 + 2?
31. 31.If + means ÷, − means ×, × means − and ÷ means +, what is 16 + 16 × 14 ÷ 14?
32. 32.If + means ×, − means ÷, × means − and ÷ means +, what is 12 ÷ 3 + 3 × 9?
33. 33.If + means ×, − means ÷, × means − and ÷ means +, what is 3 × 3 ÷ 10 + 19?
34. 34.If + means ×, − means ÷, × means − and ÷ means +, what is 6 + 17 ÷ 5 × 3?
35. 35.If + means ×, − means ÷, × means − and ÷ means +, what is 14 × 2 − 2 ÷ 19?
36. 36.If + means ×, − means +, × means ÷ and ÷ means −, what is 19 + 7 ÷ 18 × 3?
37. 37.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 ÷ 15 − 15 × 3?
38. 38.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 − 7 + 16 × 16?
39. 39.If + means ×, − means +, × means ÷ and ÷ means −, what is 4 − 11 + 7 ÷ 9?
40. 40.If + means ×, − means ÷, × means − and ÷ means +, what is 4 + 6 ÷ 16 × 7?

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