Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 91 · 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 20 ÷ 4 × 2 − 19?
2. 2.If + means −, − means +, × means ÷ and ÷ means ×, what is 2 ÷ 20 + 17 − 12?
3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 12 − 2 + 5?
4. 4.If + means ×, − means +, × means ÷ and ÷ means −, what is 16 + 6 ÷ 18 − 14?
5. 5.If + means ×, − means ÷, × means − and ÷ means +, what is 11 × 5 + 12 − 6?
6. 6.If + means ÷, − means ×, × means − and ÷ means +, what is 5 ÷ 17 − 17 × 8?
7. 7.If + means ÷, − means ×, × means + and ÷ means −, what is 13 − 8 × 11 ÷ 7?
8. 8.If + means ×, − means ÷, × means − and ÷ means +, what is 20 + 17 × 17 ÷ 18?
9. 9.If + means −, − means +, × means ÷ and ÷ means ×, what is 7 + 19 − 16 ÷ 2?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 13 × 6 ÷ 4 + 14?
11. 11.If + means −, − means ÷, × means + and ÷ means ×, what is 10 × 5 ÷ 4 + 6?
12. 12.If + means −, − means ÷, × means + and ÷ means ×, what is 15 + 6 − 2 ÷ 3?
13. 13.If + means ×, − means ÷, × means + and ÷ means −, what is 16 ÷ 14 × 6 − 6?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 9 ÷ 15 × 14 − 10?
15. 15.If + means ÷, − means ×, × means + and ÷ means −, what is 18 ÷ 8 × 2 − 16?
16. 16.If + means ÷, − means +, × means − and ÷ means ×, what is 9 ÷ 16 + 2 − 9?
17. 17.If + means ÷, − means +, × means − and ÷ means ×, what is 13 ÷ 15 × 18 − 15?
18. 18.If + means ÷, − means +, × means − and ÷ means ×, what is 14 ÷ 12 + 2 − 14?
19. 19.If + means −, − means ÷, × means + and ÷ means ×, what is 20 ÷ 10 × 3 + 14?
20. 20.If + means ÷, − means ×, × means + and ÷ means −, what is 20 − 2 × 18 ÷ 18?
21. 21.If + means ×, − means ÷, × means − and ÷ means +, what is 16 × 9 ÷ 11 + 20?
22. 22.If + means ÷, − means ×, × means − and ÷ means +, what is 2 + 2 − 19 × 15?
23. 23.If + means ×, − means ÷, × means + and ÷ means −, what is 19 + 5 ÷ 3 × 6?
24. 24.If + means ×, − means +, × means ÷ and ÷ means −, what is 9 + 6 − 16 ÷ 19?
25. 25.If + means −, − means ÷, × means + and ÷ means ×, what is 5 × 5 ÷ 2 + 9?
26. 26.If + means ×, − means +, × means ÷ and ÷ means −, what is 19 + 3 − 5 ÷ 4?
27. 27.If + means ÷, − means ×, × means + and ÷ means −, what is 11 − 2 ÷ 13 × 7?
28. 28.If + means ÷, − means ×, × means + and ÷ means −, what is 7 ÷ 3 × 20 + 4?
29. 29.If + means ÷, − means +, × means − and ÷ means ×, what is 18 ÷ 14 × 2 − 8?
30. 30.If + means ÷, − means ×, × means − and ÷ means +, what is 4 − 9 ÷ 13 × 10?
31. 31.If + means ×, − means +, × means ÷ and ÷ means −, what is 9 ÷ 2 − 10 + 17?
32. 32.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 − 7 + 14 × 2?
33. 33.If + means ÷, − means ×, × means + and ÷ means −, what is 5 − 6 + 3 × 12?
34. 34.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 − 9 ÷ 18 × 2?
35. 35.If + means ×, − means +, × means ÷ and ÷ means −, what is 14 + 2 − 15 ÷ 8?
36. 36.If + means ×, − means ÷, × means + and ÷ means −, what is 10 + 12 − 6 ÷ 20?
37. 37.If + means −, − means ÷, × means + and ÷ means ×, what is 17 + 20 × 5 ÷ 17?
38. 38.If + means ÷, − means ×, × means + and ÷ means −, what is 19 × 4 + 2 − 3?
39. 39.If + means ×, − means ÷, × means + and ÷ means −, what is 6 ÷ 14 × 18 + 5?
40. 40.If + means ×, − means +, × means ÷ and ÷ means −, what is 7 − 12 + 16 × 2?

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