Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 171 · 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 × 17 + 10 ÷ 4?
2. 2.If + means −, − means ×, × means ÷ and ÷ means +, what is 10 × 2 − 5 ÷ 17?
3. 3.If + means −, − means +, × means ÷ and ÷ means ×, what is 6 ÷ 14 − 10 + 8?
4. 4.If + means ×, − means ÷, × means − and ÷ means +, what is 2 ÷ 17 + 16 − 4?
5. 5.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 − 12 ÷ 5 + 9?
6. 6.If + means ×, − means +, × means ÷ and ÷ means −, what is 16 + 2 ÷ 7 − 8?
7. 7.If + means ×, − means ÷, × means − and ÷ means +, what is 12 ÷ 4 + 19 × 6?
8. 8.If + means ÷, − means ×, × means + and ÷ means −, what is 10 − 17 × 9 ÷ 17?
9. 9.If + means ×, − means ÷, × means − and ÷ means +, what is 16 + 3 − 2 × 6?
10. 10.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 ÷ 14 − 15 + 2?
11. 11.If + means ×, − means +, × means ÷ and ÷ means −, what is 9 + 19 ÷ 19 − 3?
12. 12.If + means −, − means ÷, × means + and ÷ means ×, what is 5 ÷ 14 + 2 × 14?
13. 13.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 + 11 − 17 ÷ 2?
14. 14.If + means ×, − means ÷, × means − and ÷ means +, what is 14 + 14 × 12 ÷ 11?
15. 15.If + means ×, − means +, × means ÷ and ÷ means −, what is 12 ÷ 4 − 8 + 3?
16. 16.If + means −, − means ÷, × means + and ÷ means ×, what is 4 ÷ 14 × 11 + 17?
17. 17.If + means ×, − means ÷, × means − and ÷ means +, what is 20 × 4 ÷ 8 + 3?
18. 18.If + means ÷, − means ×, × means + and ÷ means −, what is 2 ÷ 10 × 9 − 10?
19. 19.If + means ÷, − means ×, × means + and ÷ means −, what is 18 ÷ 11 × 5 − 10?
20. 20.If + means −, − means +, × means ÷ and ÷ means ×, what is 16 − 2 ÷ 2 + 20?
21. 21.If + means ÷, − means +, × means − and ÷ means ×, what is 9 ÷ 20 + 18 × 9?
22. 22.If + means ÷, − means ×, × means + and ÷ means −, what is 12 − 8 ÷ 19 × 19?
23. 23.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 − 2 × 15 ÷ 7?
24. 24.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 − 20 + 9 ÷ 10?
25. 25.If + means ÷, − means ×, × means + and ÷ means −, what is 9 × 12 ÷ 5 − 2?
26. 26.If + means ×, − means ÷, × means − and ÷ means +, what is 15 + 8 ÷ 16 × 13?
27. 27.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 ÷ 16 − 9 + 18?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 12 + 4 − 6 × 16?
29. 29.If + means ÷, − means ×, × means + and ÷ means −, what is 4 × 4 − 14 ÷ 10?
30. 30.If + means ×, − means ÷, × means − and ÷ means +, what is 9 + 2 − 6 ÷ 15?
31. 31.If + means ×, − means ÷, × means − and ÷ means +, what is 6 ÷ 7 + 18 × 8?
32. 32.If + means −, − means ÷, × means + and ÷ means ×, what is 6 ÷ 13 + 7 × 20?
33. 33.If + means ÷, − means ×, × means + and ÷ means −, what is 10 × 14 − 12 + 8?
34. 34.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 − 3 ÷ 2 + 9?
35. 35.If + means ×, − means ÷, × means − and ÷ means +, what is 11 ÷ 3 + 5 − 15?
36. 36.If + means −, − means ÷, × means + and ÷ means ×, what is 2 + 17 × 18 ÷ 14?
37. 37.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 ÷ 9 − 16 + 4?
38. 38.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 × 2 − 5 + 6?
39. 39.If + means ×, − means ÷, × means − and ÷ means +, what is 18 ÷ 15 + 17 − 3?
40. 40.If + means ÷, − means +, × means − and ÷ means ×, what is 20 × 2 − 10 ÷ 20?

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