Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 681 · 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 13 × 15 ÷ 5 + 3?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 8 × 18 ÷ 16 − 5?
3. 3.If + means ×, − means ÷, × means − and ÷ means +, what is 9 ÷ 5 + 20 − 20?
4. 4.If + means ×, − means ÷, × means − and ÷ means +, what is 10 ÷ 10 + 2 × 5?
5. 5.If + means ÷, − means +, × means − and ÷ means ×, what is 6 − 14 ÷ 18 + 3?
6. 6.If + means ×, − means ÷, × means + and ÷ means −, what is 12 + 6 − 6 × 18?
7. 7.If + means ÷, − means ×, × means − and ÷ means +, what is 4 × 9 ÷ 15 − 12?
8. 8.If + means ×, − means ÷, × means + and ÷ means −, what is 18 ÷ 20 − 10 × 11?
9. 9.If + means ÷, − means +, × means − and ÷ means ×, what is 13 − 12 ÷ 15 + 4?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 20 + 4 ÷ 8 × 17?
11. 11.If + means ×, − means ÷, × means − and ÷ means +, what is 15 ÷ 2 + 19 × 8?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 + 10 ÷ 7 − 18?
13. 13.If + means ×, − means ÷, × means + and ÷ means −, what is 10 + 18 × 19 ÷ 3?
14. 14.If + means ×, − means ÷, × means − and ÷ means +, what is 6 ÷ 11 + 18 × 19?
15. 15.If + means ×, − means ÷, × means + and ÷ means −, what is 19 + 20 ÷ 3 × 18?
16. 16.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 ÷ 8 + 4 − 20?
17. 17.If + means −, − means +, × means ÷ and ÷ means ×, what is 15 ÷ 9 + 18 − 10?
18. 18.If + means −, − means ×, × means ÷ and ÷ means +, what is 3 − 3 + 11 ÷ 13?
19. 19.If + means ÷, − means ×, × means + and ÷ means −, what is 3 × 7 − 15 ÷ 9?
20. 20.If + means ÷, − means ×, × means − and ÷ means +, what is 5 × 18 ÷ 18 − 15?
21. 21.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 + 16 ÷ 18 − 6?
22. 22.If + means ×, − means ÷, × means − and ÷ means +, what is 4 ÷ 18 × 2 + 8?
23. 23.If + means ×, − means ÷, × means + and ÷ means −, what is 4 ÷ 2 × 8 + 17?
24. 24.If + means ÷, − means +, × means − and ÷ means ×, what is 3 − 13 × 20 + 2?
25. 25.If + means ×, − means +, × means ÷ and ÷ means −, what is 14 − 10 + 12 ÷ 3?
26. 26.If + means ÷, − means ×, × means − and ÷ means +, what is 4 − 18 × 6 ÷ 4?
27. 27.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 − 6 × 5 + 7?
28. 28.If + means ×, − means ÷, × means − and ÷ means +, what is 2 × 10 ÷ 17 + 16?
29. 29.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 − 17 + 12 ÷ 20?
30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 6 − 16 + 9 ÷ 20?
31. 31.If + means ÷, − means ×, × means − and ÷ means +, what is 15 ÷ 20 − 3 × 10?
32. 32.If + means ÷, − means +, × means − and ÷ means ×, what is 18 + 6 ÷ 11 − 3?
33. 33.If + means ×, − means ÷, × means − and ÷ means +, what is 18 × 6 ÷ 19 + 11?
34. 34.If + means ×, − means ÷, × means + and ÷ means −, what is 6 ÷ 10 × 14 + 15?
35. 35.If + means ÷, − means ×, × means + and ÷ means −, what is 16 × 5 − 12 + 3?
36. 36.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 − 15 + 15 ÷ 4?
37. 37.If + means ÷, − means +, × means − and ÷ means ×, what is 2 ÷ 5 − 6 × 8?
38. 38.If + means ×, − means ÷, × means − and ÷ means +, what is 5 ÷ 15 + 18 × 5?
39. 39.If + means ×, − means +, × means ÷ and ÷ means −, what is 7 − 16 + 3 ÷ 20?
40. 40.If + means ×, − means ÷, × means + and ÷ means −, what is 18 + 12 ÷ 14 × 2?

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