Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 779 · 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 12 × 9 + 9 ÷ 6?
2. 2.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 + 2 − 3 ÷ 6?
3. 3.If + means ÷, − means ×, × means + and ÷ means −, what is 15 − 7 + 7 ÷ 9?
4. 4.If + means ×, − means ÷, × means − and ÷ means +, what is 20 + 20 × 10 ÷ 5?
5. 5.If + means ÷, − means ×, × means + and ÷ means −, what is 5 − 4 ÷ 2 × 12?
6. 6.If + means ×, − means +, × means ÷ and ÷ means −, what is 20 − 11 ÷ 4 + 3?
7. 7.If + means −, − means ×, × means ÷ and ÷ means +, what is 12 ÷ 16 + 19 × 19?
8. 8.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 × 9 + 3 ÷ 8?
9. 9.If + means ×, − means ÷, × means − and ÷ means +, what is 16 + 14 ÷ 16 × 14?
10. 10.If + means ×, − means +, × means ÷ and ÷ means −, what is 10 + 12 ÷ 3 − 19?
11. 11.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 + 4 − 12 ÷ 4?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 ÷ 20 − 20 + 18?
13. 13.If + means ÷, − means ×, × means + and ÷ means −, what is 12 − 4 + 16 × 20?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 3 + 3 × 17 ÷ 11?
15. 15.If + means ×, − means ÷, × means + and ÷ means −, what is 18 + 8 × 17 ÷ 5?
16. 16.If + means −, − means ×, × means ÷ and ÷ means +, what is 10 + 6 − 4 × 12?
17. 17.If + means ÷, − means ×, × means + and ÷ means −, what is 16 ÷ 20 × 2 − 12?
18. 18.If + means ×, − means ÷, × means + and ÷ means −, what is 4 × 9 + 12 ÷ 5?
19. 19.If + means ÷, − means ×, × means + and ÷ means −, what is 18 − 8 + 4 ÷ 18?
20. 20.If + means −, − means ÷, × means + and ÷ means ×, what is 13 − 13 ÷ 20 + 18?
21. 21.If + means ×, − means ÷, × means + and ÷ means −, what is 4 + 2 × 9 ÷ 4?
22. 22.If + means ×, − means ÷, × means − and ÷ means +, what is 18 + 3 ÷ 6 × 7?
23. 23.If + means ÷, − means ×, × means + and ÷ means −, what is 10 − 15 ÷ 2 × 8?
24. 24.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 ÷ 11 − 16 + 14?
25. 25.If + means ÷, − means ×, × means + and ÷ means −, what is 6 − 12 ÷ 17 × 7?
26. 26.If + means ÷, − means ×, × means − and ÷ means +, what is 6 ÷ 16 − 18 × 12?
27. 27.If + means ×, − means ÷, × means − and ÷ means +, what is 16 ÷ 10 + 9 − 10?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 7 − 10 + 2 ÷ 12?
29. 29.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 × 3 − 14 + 18?
30. 30.If + means −, − means +, × means ÷ and ÷ means ×, what is 4 + 20 − 7 ÷ 11?
31. 31.If + means −, − means ÷, × means + and ÷ means ×, what is 11 + 16 − 8 × 7?
32. 32.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 − 16 ÷ 16 + 15?
33. 33.If + means −, − means +, × means ÷ and ÷ means ×, what is 17 − 14 ÷ 9 × 6?
34. 34.If + means ÷, − means ×, × means − and ÷ means +, what is 10 × 9 ÷ 9 − 16?
35. 35.If + means −, − means ÷, × means + and ÷ means ×, what is 5 + 5 × 11 ÷ 16?
36. 36.If + means ÷, − means +, × means − and ÷ means ×, what is 20 − 19 ÷ 13 × 6?
37. 37.If + means ÷, − means ×, × means + and ÷ means −, what is 9 − 10 × 10 ÷ 7?
38. 38.If + means −, − means +, × means ÷ and ÷ means ×, what is 5 + 15 − 13 ÷ 5?
39. 39.If + means ÷, − means +, × means − and ÷ means ×, what is 19 ÷ 14 − 11 × 16?
40. 40.If + means ÷, − means ×, × means + and ÷ means −, what is 18 − 16 × 3 ÷ 8?

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