Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 778 · 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 14 + 20 ÷ 19 − 19?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 13 − 12 ÷ 3 × 19?
3. 3.If + means ×, − means +, × means ÷ and ÷ means −, what is 4 × 2 + 15 ÷ 15?
4. 4.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 + 4 − 7 ÷ 3?
5. 5.If + means ÷, − means ×, × means − and ÷ means +, what is 13 × 20 + 4 ÷ 14?
6. 6.If + means ÷, − means ×, × means − and ÷ means +, what is 7 + 7 − 11 ÷ 6?
7. 7.If + means ÷, − means +, × means − and ÷ means ×, what is 20 × 6 − 13 ÷ 7?
8. 8.If + means −, − means ÷, × means + and ÷ means ×, what is 4 − 2 + 8 × 10?
9. 9.If + means ÷, − means ×, × means + and ÷ means −, what is 19 − 8 ÷ 12 + 2?
10. 10.If + means ÷, − means ×, × means + and ÷ means −, what is 20 − 4 × 13 ÷ 7?
11. 11.If + means ×, − means ÷, × means + and ÷ means −, what is 20 − 5 ÷ 2 × 13?
12. 12.If + means −, − means ÷, × means + and ÷ means ×, what is 3 × 10 − 5 ÷ 17?
13. 13.If + means ×, − means +, × means ÷ and ÷ means −, what is 19 + 19 − 8 ÷ 3?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 12 + 6 × 7 ÷ 9?
15. 15.If + means ÷, − means +, × means − and ÷ means ×, what is 12 ÷ 6 × 20 + 5?
16. 16.If + means ×, − means ÷, × means + and ÷ means −, what is 15 + 20 × 18 ÷ 7?
17. 17.If + means ÷, − means +, × means − and ÷ means ×, what is 12 − 9 ÷ 20 × 14?
18. 18.If + means −, − means ÷, × means + and ÷ means ×, what is 5 + 12 − 12 × 6?
19. 19.If + means ÷, − means ×, × means − and ÷ means +, what is 16 ÷ 20 − 12 × 3?
20. 20.If + means ÷, − means +, × means − and ÷ means ×, what is 14 × 6 − 18 ÷ 2?
21. 21.If + means ÷, − means ×, × means − and ÷ means +, what is 5 − 10 × 2 ÷ 12?
22. 22.If + means ÷, − means +, × means − and ÷ means ×, what is 5 − 8 ÷ 6 × 4?
23. 23.If + means ×, − means ÷, × means − and ÷ means +, what is 12 ÷ 19 + 12 − 6?
24. 24.If + means ×, − means +, × means ÷ and ÷ means −, what is 6 − 11 + 2 ÷ 2?
25. 25.If + means ÷, − means +, × means − and ÷ means ×, what is 20 ÷ 15 + 12 − 5?
26. 26.If + means ÷, − means ×, × means + and ÷ means −, what is 4 × 12 − 3 ÷ 8?
27. 27.If + means −, − means ÷, × means + and ÷ means ×, what is 16 ÷ 10 + 4 − 2?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 4 − 9 + 2 ÷ 19?
29. 29.If + means ×, − means ÷, × means + and ÷ means −, what is 14 ÷ 20 × 5 + 18?
30. 30.If + means ÷, − means +, × means − and ÷ means ×, what is 12 × 10 − 2 ÷ 16?
31. 31.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 + 2 ÷ 19 − 2?
32. 32.If + means −, − means ÷, × means + and ÷ means ×, what is 17 ÷ 16 + 5 × 6?
33. 33.If + means −, − means ÷, × means + and ÷ means ×, what is 18 ÷ 4 − 9 × 18?
34. 34.If + means ×, − means ÷, × means + and ÷ means −, what is 20 − 4 ÷ 14 × 11?
35. 35.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 + 8 × 2 − 20?
36. 36.If + means ×, − means ÷, × means − and ÷ means +, what is 20 ÷ 14 + 15 − 2?
37. 37.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 + 4 − 4 × 8?
38. 38.If + means −, − means ÷, × means + and ÷ means ×, what is 18 ÷ 18 × 5 + 5?
39. 39.If + means −, − means ÷, × means + and ÷ means ×, what is 14 × 6 ÷ 3 + 2?
40. 40.If + means ×, − means ÷, × means + and ÷ means −, what is 20 ÷ 11 × 3 + 14?

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