Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 579 · 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 2 ÷ 3 − 15 × 18?
2. 2.If + means ÷, − means +, × means − and ÷ means ×, what is 9 × 5 − 2 ÷ 13?
3. 3.If + means ×, − means ÷, × means + and ÷ means −, what is 14 − 14 × 9 + 3?
4. 4.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 ÷ 9 − 18 + 5?
5. 5.If + means ×, − means ÷, × means + and ÷ means −, what is 2 + 12 ÷ 12 × 8?
6. 6.If + means ÷, − means ×, × means + and ÷ means −, what is 7 − 2 × 16 ÷ 3?
7. 7.If + means ÷, − means ×, × means − and ÷ means +, what is 4 − 5 ÷ 18 × 2?
8. 8.If + means −, − means ÷, × means + and ÷ means ×, what is 7 ÷ 5 + 20 × 7?
9. 9.If + means ÷, − means ×, × means − and ÷ means +, what is 10 ÷ 12 + 6 − 2?
10. 10.If + means ÷, − means ×, × means + and ÷ means −, what is 4 × 7 − 4 ÷ 14?
11. 11.If + means −, − means +, × means ÷ and ÷ means ×, what is 6 ÷ 13 − 7 + 6?
12. 12.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 + 6 − 2 ÷ 10?
13. 13.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 + 14 − 3 ÷ 5?
14. 14.If + means ÷, − means ×, × means − and ÷ means +, what is 7 ÷ 10 − 5 × 15?
15. 15.If + means ×, − means +, × means ÷ and ÷ means −, what is 10 − 13 ÷ 12 × 4?
16. 16.If + means ÷, − means ×, × means − and ÷ means +, what is 14 ÷ 16 × 10 + 5?
17. 17.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 − 4 ÷ 19 + 9?
18. 18.If + means ÷, − means ×, × means − and ÷ means +, what is 9 + 9 − 18 ÷ 13?
19. 19.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 ÷ 10 − 18 + 17?
20. 20.If + means ×, − means ÷, × means − and ÷ means +, what is 18 + 14 − 4 × 14?
21. 21.If + means ÷, − means ×, × means + and ÷ means −, what is 9 − 4 ÷ 16 × 8?
22. 22.If + means ÷, − means +, × means − and ÷ means ×, what is 9 ÷ 8 + 4 × 14?
23. 23.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 + 3 ÷ 5 − 20?
24. 24.If + means ×, − means ÷, × means − and ÷ means +, what is 9 + 2 ÷ 5 − 5?
25. 25.If + means ÷, − means +, × means − and ÷ means ×, what is 20 ÷ 20 − 2 × 12?
26. 26.If + means ÷, − means +, × means − and ÷ means ×, what is 18 × 15 − 2 ÷ 5?
27. 27.If + means ÷, − means +, × means − and ÷ means ×, what is 20 ÷ 12 − 20 + 2?
28. 28.If + means ×, − means ÷, × means − and ÷ means +, what is 17 ÷ 10 − 2 + 5?
29. 29.If + means −, − means ÷, × means + and ÷ means ×, what is 6 × 12 − 3 + 2?
30. 30.If + means ÷, − means +, × means − and ÷ means ×, what is 18 − 7 × 2 ÷ 9?
31. 31.If + means −, − means +, × means ÷ and ÷ means ×, what is 14 − 14 ÷ 4 + 10?
32. 32.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 − 13 ÷ 6 + 14?
33. 33.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 + 17 × 17 ÷ 11?
34. 34.If + means ÷, − means ×, × means − and ÷ means +, what is 2 × 15 ÷ 16 − 20?
35. 35.If + means ÷, − means ×, × means + and ÷ means −, what is 4 − 13 ÷ 19 × 5?
36. 36.If + means ÷, − means +, × means − and ÷ means ×, what is 2 ÷ 7 × 14 − 4?
37. 37.If + means ÷, − means ×, × means + and ÷ means −, what is 4 − 7 × 15 + 15?
38. 38.If + means ×, − means ÷, × means − and ÷ means +, what is 20 ÷ 20 − 5 + 20?
39. 39.If + means −, − means +, × means ÷ and ÷ means ×, what is 7 ÷ 12 + 5 − 9?
40. 40.If + means ÷, − means ×, × means + and ÷ means −, what is 8 ÷ 8 × 20 − 13?

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