Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 210 · 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 18 + 11 × 4 ÷ 20?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 4 × 20 ÷ 4 − 15?
3. 3.If + means ×, − means ÷, × means + and ÷ means −, what is 13 × 13 + 6 − 2?
4. 4.If + means ÷, − means ×, × means − and ÷ means +, what is 8 ÷ 9 − 5 × 19?
5. 5.If + means ÷, − means +, × means − and ÷ means ×, what is 20 × 10 − 20 + 4?
6. 6.If + means −, − means ÷, × means + and ÷ means ×, what is 2 ÷ 4 × 12 − 4?
7. 7.If + means ÷, − means +, × means − and ÷ means ×, what is 19 ÷ 10 × 17 − 8?
8. 8.If + means −, − means ×, × means ÷ and ÷ means +, what is 17 ÷ 14 − 15 + 5?
9. 9.If + means ×, − means ÷, × means + and ÷ means −, what is 18 × 20 + 12 ÷ 18?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 15 ÷ 8 + 7 × 6?
11. 11.If + means ×, − means ÷, × means + and ÷ means −, what is 13 × 11 + 19 ÷ 3?
12. 12.If + means ×, − means ÷, × means + and ÷ means −, what is 7 + 6 − 3 ÷ 14?
13. 13.If + means −, − means +, × means ÷ and ÷ means ×, what is 19 − 3 ÷ 20 + 3?
14. 14.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 − 16 ÷ 5 + 7?
15. 15.If + means ×, − means +, × means ÷ and ÷ means −, what is 6 ÷ 4 − 13 + 14?
16. 16.If + means ÷, − means ×, × means + and ÷ means −, what is 19 − 19 ÷ 4 × 12?
17. 17.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 + 16 − 7 ÷ 2?
18. 18.If + means −, − means ×, × means ÷ and ÷ means +, what is 12 × 2 − 14 ÷ 8?
19. 19.If + means ×, − means ÷, × means + and ÷ means −, what is 12 + 17 × 12 − 4?
20. 20.If + means ÷, − means +, × means − and ÷ means ×, what is 17 − 8 ÷ 12 × 3?
21. 21.If + means −, − means ×, × means ÷ and ÷ means +, what is 6 ÷ 10 × 2 + 2?
22. 22.If + means ÷, − means ×, × means + and ÷ means −, what is 2 × 18 − 8 + 2?
23. 23.If + means ×, − means ÷, × means − and ÷ means +, what is 8 + 2 ÷ 10 − 2?
24. 24.If + means ÷, − means +, × means − and ÷ means ×, what is 9 ÷ 20 + 5 × 3?
25. 25.If + means ×, − means ÷, × means − and ÷ means +, what is 7 + 4 × 5 ÷ 8?
26. 26.If + means ×, − means ÷, × means − and ÷ means +, what is 5 × 7 − 7 + 4?
27. 27.If + means ×, − means ÷, × means − and ÷ means +, what is 18 + 8 − 18 ÷ 13?
28. 28.If + means ÷, − means +, × means − and ÷ means ×, what is 8 + 4 − 11 × 2?
29. 29.If + means ÷, − means ×, × means + and ÷ means −, what is 7 × 19 − 10 ÷ 16?
30. 30.If + means −, − means +, × means ÷ and ÷ means ×, what is 2 ÷ 11 + 8 − 19?
31. 31.If + means −, − means ÷, × means + and ÷ means ×, what is 18 + 18 × 16 ÷ 15?
32. 32.If + means −, − means ×, × means ÷ and ÷ means +, what is 10 − 3 ÷ 5 + 6?
33. 33.If + means ×, − means ÷, × means − and ÷ means +, what is 18 + 11 ÷ 18 × 11?
34. 34.If + means ÷, − means +, × means − and ÷ means ×, what is 10 × 15 − 12 ÷ 20?
35. 35.If + means −, − means ÷, × means + and ÷ means ×, what is 15 + 20 × 16 ÷ 10?
36. 36.If + means −, − means ÷, × means + and ÷ means ×, what is 5 × 17 ÷ 7 + 8?
37. 37.If + means −, − means ÷, × means + and ÷ means ×, what is 18 × 7 ÷ 10 + 17?
38. 38.If + means ÷, − means +, × means − and ÷ means ×, what is 20 + 10 × 2 − 9?
39. 39.If + means −, − means ÷, × means + and ÷ means ×, what is 11 × 6 − 3 + 3?
40. 40.If + means ×, − means ÷, × means + and ÷ means −, what is 5 × 4 + 8 ÷ 11?

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