Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 607 · 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 19 × 8 − 18 ÷ 9?
2. 2.If + means −, − means ÷, × means + and ÷ means ×, what is 9 ÷ 10 + 2 × 10?
3. 3.If + means ×, − means ÷, × means − and ÷ means +, what is 6 + 4 × 7 ÷ 12?
4. 4.If + means −, − means +, × means ÷ and ÷ means ×, what is 13 − 2 ÷ 5 + 11?
5. 5.If + means ÷, − means ×, × means − and ÷ means +, what is 8 ÷ 6 − 18 × 13?
6. 6.If + means ÷, − means ×, × means + and ÷ means −, what is 10 + 2 ÷ 17 × 18?
7. 7.If + means ×, − means ÷, × means − and ÷ means +, what is 11 + 3 − 3 × 2?
8. 8.If + means ÷, − means +, × means − and ÷ means ×, what is 16 ÷ 19 − 18 × 15?
9. 9.If + means −, − means ÷, × means + and ÷ means ×, what is 3 ÷ 3 × 4 + 6?
10. 10.If + means ×, − means ÷, × means + and ÷ means −, what is 4 + 12 − 8 × 8?
11. 11.If + means ÷, − means +, × means − and ÷ means ×, what is 5 ÷ 13 − 20 × 7?
12. 12.If + means −, − means ÷, × means + and ÷ means ×, what is 9 × 7 + 18 − 6?
13. 13.If + means ÷, − means ×, × means + and ÷ means −, what is 10 ÷ 13 × 19 − 20?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 17 − 9 × 16 ÷ 16?
15. 15.If + means ×, − means ÷, × means + and ÷ means −, what is 19 + 2 × 13 ÷ 6?
16. 16.If + means ×, − means ÷, × means − and ÷ means +, what is 7 + 11 × 14 ÷ 14?
17. 17.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 × 6 + 7 − 13?
18. 18.If + means ÷, − means ×, × means − and ÷ means +, what is 9 − 11 × 2 ÷ 7?
19. 19.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 ÷ 8 − 5 + 15?
20. 20.If + means −, − means ×, × means ÷ and ÷ means +, what is 6 ÷ 18 + 3 − 3?
21. 21.If + means ×, − means ÷, × means + and ÷ means −, what is 11 × 16 + 10 − 4?
22. 22.If + means ×, − means ÷, × means − and ÷ means +, what is 14 × 17 ÷ 5 + 19?
23. 23.If + means −, − means +, × means ÷ and ÷ means ×, what is 4 − 10 ÷ 17 + 4?
24. 24.If + means ÷, − means ×, × means + and ÷ means −, what is 14 + 2 − 12 × 18?
25. 25.If + means −, − means ÷, × means + and ÷ means ×, what is 14 × 20 ÷ 8 − 5?
26. 26.If + means ×, − means +, × means ÷ and ÷ means −, what is 17 + 5 − 11 ÷ 12?
27. 27.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 + 5 ÷ 11 − 9?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 4 ÷ 17 − 12 × 8?
29. 29.If + means ×, − means ÷, × means − and ÷ means +, what is 15 ÷ 6 + 10 × 15?
30. 30.If + means −, − means ÷, × means + and ÷ means ×, what is 8 + 7 × 18 ÷ 2?
31. 31.If + means −, − means ×, × means ÷ and ÷ means +, what is 3 ÷ 6 × 2 − 13?
32. 32.If + means ÷, − means ×, × means + and ÷ means −, what is 9 ÷ 14 × 19 − 13?
33. 33.If + means ×, − means +, × means ÷ and ÷ means −, what is 17 + 2 ÷ 3 − 12?
34. 34.If + means ÷, − means ×, × means + and ÷ means −, what is 11 ÷ 10 × 5 − 16?
35. 35.If + means −, − means ×, × means ÷ and ÷ means +, what is 16 × 8 − 7 + 8?
36. 36.If + means ÷, − means ×, × means + and ÷ means −, what is 11 × 19 − 9 ÷ 7?
37. 37.If + means ÷, − means ×, × means + and ÷ means −, what is 18 ÷ 11 × 17 − 4?
38. 38.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 × 9 + 6 − 8?
39. 39.If + means −, − means ÷, × means + and ÷ means ×, what is 4 × 18 ÷ 17 + 18?
40. 40.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 × 5 − 3 + 19?

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