Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 551 · 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 15 × 8 ÷ 5 − 10?
2. 2.If + means ×, − means ÷, × means − and ÷ means +, what is 9 ÷ 12 + 13 − 2?
3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 × 3 ÷ 7 + 8?
4. 4.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 + 16 ÷ 10 − 5?
5. 5.If + means ×, − means ÷, × means − and ÷ means +, what is 10 × 5 + 8 − 10?
6. 6.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 − 14 × 2 + 11?
7. 7.If + means ×, − means ÷, × means − and ÷ means +, what is 5 + 17 × 16 ÷ 13?
8. 8.If + means ×, − means +, × means ÷ and ÷ means −, what is 4 + 14 − 4 ÷ 3?
9. 9.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 − 20 × 20 ÷ 12?
10. 10.If + means ÷, − means ×, × means + and ÷ means −, what is 18 − 16 ÷ 5 × 3?
11. 11.If + means ÷, − means +, × means − and ÷ means ×, what is 13 − 19 × 9 ÷ 2?
12. 12.If + means ×, − means ÷, × means + and ÷ means −, what is 16 + 18 − 8 × 16?
13. 13.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 13 + 19 × 19?
14. 14.If + means ÷, − means ×, × means − and ÷ means +, what is 3 − 7 ÷ 14 + 14?
15. 15.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 − 4 + 13 ÷ 6?
16. 16.If + means ×, − means ÷, × means + and ÷ means −, what is 12 + 20 − 16 × 3?
17. 17.If + means ×, − means ÷, × means + and ÷ means −, what is 5 × 14 − 2 + 2?
18. 18.If + means ÷, − means ×, × means + and ÷ means −, what is 9 − 19 ÷ 12 × 5?
19. 19.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 3 − 10 + 20?
20. 20.If + means ÷, − means ×, × means + and ÷ means −, what is 5 + 5 − 9 × 10?
21. 21.If + means ÷, − means ×, × means − and ÷ means +, what is 12 + 2 × 5 ÷ 2?
22. 22.If + means ÷, − means +, × means − and ÷ means ×, what is 12 ÷ 17 − 12 × 13?
23. 23.If + means −, − means ÷, × means + and ÷ means ×, what is 16 ÷ 17 × 16 + 11?
24. 24.If + means −, − means ÷, × means + and ÷ means ×, what is 14 × 20 + 14 − 14?
25. 25.If + means ×, − means ÷, × means + and ÷ means −, what is 6 + 6 ÷ 8 × 13?
26. 26.If + means ÷, − means ×, × means − and ÷ means +, what is 16 × 2 ÷ 10 − 13?
27. 27.If + means −, − means +, × means ÷ and ÷ means ×, what is 16 + 17 − 9 ÷ 4?
28. 28.If + means −, − means +, × means ÷ and ÷ means ×, what is 4 + 6 − 11 ÷ 7?
29. 29.If + means ÷, − means +, × means − and ÷ means ×, what is 10 + 5 ÷ 13 − 14?
30. 30.If + means ×, − means ÷, × means + and ÷ means −, what is 3 + 4 × 4 ÷ 10?
31. 31.If + means ×, − means ÷, × means + and ÷ means −, what is 5 + 6 × 4 ÷ 20?
32. 32.If + means ÷, − means ×, × means + and ÷ means −, what is 6 − 11 × 4 + 4?
33. 33.If + means ×, − means ÷, × means − and ÷ means +, what is 12 − 4 + 3 ÷ 4?
34. 34.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 + 2 ÷ 10 − 13?
35. 35.If + means ×, − means ÷, × means − and ÷ means +, what is 13 ÷ 2 + 16 − 4?
36. 36.If + means −, − means ÷, × means + and ÷ means ×, what is 17 + 17 × 7 ÷ 14?
37. 37.If + means ×, − means +, × means ÷ and ÷ means −, what is 17 + 19 − 9 ÷ 8?
38. 38.If + means ÷, − means +, × means − and ÷ means ×, what is 6 + 2 ÷ 9 × 3?
39. 39.If + means ÷, − means ×, × means − and ÷ means +, what is 3 × 12 − 2 + 12?
40. 40.If + means −, − means ×, × means ÷ and ÷ means +, what is 16 − 6 ÷ 4 + 2?

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