Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 806 · 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 ÷ 18 × 20 + 14?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 14 ÷ 6 − 7 × 7?
3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 + 15 ÷ 18 − 19?
4. 4.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 × 9 − 14 + 10?
5. 5.If + means ÷, − means +, × means − and ÷ means ×, what is 4 × 11 − 10 ÷ 12?
6. 6.If + means ÷, − means +, × means − and ÷ means ×, what is 14 − 2 ÷ 8 × 17?
7. 7.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 12 − 19 + 4?
8. 8.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 + 19 ÷ 16 − 5?
9. 9.If + means ÷, − means ×, × means + and ÷ means −, what is 17 − 19 × 7 ÷ 9?
10. 10.If + means ÷, − means ×, × means − and ÷ means +, what is 12 × 12 − 9 + 12?
11. 11.If + means ÷, − means ×, × means − and ÷ means +, what is 11 ÷ 19 + 19 − 20?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 ÷ 17 + 7 − 3?
13. 13.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 + 10 ÷ 12 − 8?
14. 14.If + means −, − means ÷, × means + and ÷ means ×, what is 11 + 8 × 4 ÷ 6?
15. 15.If + means ÷, − means ×, × means + and ÷ means −, what is 7 − 10 + 10 × 15?
16. 16.If + means ÷, − means ×, × means + and ÷ means −, what is 12 − 12 ÷ 7 × 7?
17. 17.If + means ÷, − means ×, × means + and ÷ means −, what is 15 − 6 + 15 × 6?
18. 18.If + means ÷, − means +, × means − and ÷ means ×, what is 4 ÷ 5 − 14 × 19?
19. 19.If + means −, − means ÷, × means + and ÷ means ×, what is 15 + 6 × 4 ÷ 20?
20. 20.If + means ÷, − means ×, × means + and ÷ means −, what is 11 × 12 − 2 ÷ 7?
21. 21.If + means ×, − means ÷, × means − and ÷ means +, what is 13 + 18 × 11 ÷ 19?
22. 22.If + means ×, − means ÷, × means + and ÷ means −, what is 10 × 20 + 6 ÷ 7?
23. 23.If + means ÷, − means ×, × means + and ÷ means −, what is 4 − 14 ÷ 15 × 16?
24. 24.If + means −, − means ÷, × means + and ÷ means ×, what is 10 + 9 − 3 × 7?
25. 25.If + means ×, − means ÷, × means − and ÷ means +, what is 5 ÷ 15 + 17 × 15?
26. 26.If + means ×, − means ÷, × means + and ÷ means −, what is 5 ÷ 11 × 13 + 20?
27. 27.If + means ÷, − means ×, × means − and ÷ means +, what is 9 ÷ 16 − 4 + 8?
28. 28.If + means ÷, − means +, × means − and ÷ means ×, what is 15 × 10 + 10 − 5?
29. 29.If + means ×, − means ÷, × means + and ÷ means −, what is 14 × 10 + 12 − 2?
30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 ÷ 3 − 4 + 6?
31. 31.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 × 2 − 17 ÷ 20?
32. 32.If + means ÷, − means ×, × means + and ÷ means −, what is 2 ÷ 4 − 2 × 17?
33. 33.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 + 16 × 16 ÷ 15?
34. 34.If + means ÷, − means ×, × means + and ÷ means −, what is 18 × 17 − 17 ÷ 19?
35. 35.If + means ÷, − means +, × means − and ÷ means ×, what is 20 − 2 ÷ 19 × 3?
36. 36.If + means ÷, − means +, × means − and ÷ means ×, what is 7 × 20 − 8 ÷ 9?
37. 37.If + means ×, − means ÷, × means − and ÷ means +, what is 16 + 5 × 14 − 14?
38. 38.If + means ×, − means ÷, × means + and ÷ means −, what is 8 + 11 ÷ 14 − 14?
39. 39.If + means ×, − means ÷, × means + and ÷ means −, what is 5 ÷ 18 − 2 × 19?
40. 40.If + means ÷, − means +, × means − and ÷ means ×, what is 5 × 5 − 13 ÷ 16?

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