Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 266 · 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 16 × 19 + 19 ÷ 16?
2. 2.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 10 − 5 × 6?
3. 3.If + means −, − means +, × means ÷ and ÷ means ×, what is 7 − 5 ÷ 12 × 5?
4. 4.If + means ×, − means ÷, × means + and ÷ means −, what is 8 + 3 × 18 − 18?
5. 5.If + means ×, − means ÷, × means + and ÷ means −, what is 10 + 2 × 10 ÷ 3?
6. 6.If + means ×, − means ÷, × means − and ÷ means +, what is 6 + 11 − 3 ÷ 12?
7. 7.If + means ÷, − means ×, × means + and ÷ means −, what is 7 − 18 + 3 × 6?
8. 8.If + means ×, − means ÷, × means + and ÷ means −, what is 14 × 9 + 6 ÷ 9?
9. 9.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 − 4 + 10 ÷ 8?
10. 10.If + means ÷, − means ×, × means + and ÷ means −, what is 13 + 13 × 8 − 18?
11. 11.If + means ×, − means +, × means ÷ and ÷ means −, what is 7 ÷ 11 × 11 − 8?
12. 12.If + means ×, − means +, × means ÷ and ÷ means −, what is 8 × 4 ÷ 16 − 20?
13. 13.If + means −, − means ÷, × means + and ÷ means ×, what is 16 + 19 × 18 ÷ 2?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 6 − 2 ÷ 6 × 10?
15. 15.If + means −, − means ÷, × means + and ÷ means ×, what is 5 − 5 ÷ 2 × 4?
16. 16.If + means −, − means ×, × means ÷ and ÷ means +, what is 17 − 18 ÷ 14 + 6?
17. 17.If + means −, − means +, × means ÷ and ÷ means ×, what is 12 − 2 ÷ 5 + 8?
18. 18.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 × 5 + 18 ÷ 12?
19. 19.If + means ×, − means ÷, × means − and ÷ means +, what is 15 + 19 − 3 ÷ 10?
20. 20.If + means −, − means ÷, × means + and ÷ means ×, what is 6 ÷ 14 + 5 × 13?
21. 21.If + means ×, − means ÷, × means + and ÷ means −, what is 6 + 14 − 14 × 16?
22. 22.If + means −, − means +, × means ÷ and ÷ means ×, what is 8 ÷ 15 + 7 − 3?
23. 23.If + means ÷, − means +, × means − and ÷ means ×, what is 15 × 2 − 4 ÷ 14?
24. 24.If + means −, − means +, × means ÷ and ÷ means ×, what is 3 + 10 − 12 ÷ 4?
25. 25.If + means −, − means +, × means ÷ and ÷ means ×, what is 12 − 13 ÷ 2 + 11?
26. 26.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 − 5 + 18 ÷ 15?
27. 27.If + means −, − means ÷, × means + and ÷ means ×, what is 12 ÷ 4 × 13 + 7?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 13 − 16 × 10 + 10?
29. 29.If + means ÷, − means +, × means − and ÷ means ×, what is 4 ÷ 14 × 13 − 8?
30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 16 + 2 ÷ 3 − 14?
31. 31.If + means ÷, − means ×, × means − and ÷ means +, what is 2 ÷ 20 − 20 + 4?
32. 32.If + means ÷, − means ×, × means − and ÷ means +, what is 4 − 2 + 4 ÷ 11?
33. 33.If + means ×, − means ÷, × means − and ÷ means +, what is 7 ÷ 6 + 12 × 16?
34. 34.If + means ÷, − means +, × means − and ÷ means ×, what is 9 × 7 − 17 ÷ 13?
35. 35.If + means ×, − means +, × means ÷ and ÷ means −, what is 10 + 15 − 6 ÷ 17?
36. 36.If + means ÷, − means +, × means − and ÷ means ×, what is 19 × 3 ÷ 6 − 8?
37. 37.If + means ×, − means ÷, × means + and ÷ means −, what is 8 ÷ 8 × 4 + 8?
38. 38.If + means ÷, − means ×, × means + and ÷ means −, what is 14 × 5 ÷ 4 − 4?
39. 39.If + means ÷, − means ×, × means − and ÷ means +, what is 2 ÷ 13 − 8 × 3?
40. 40.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 ÷ 14 + 3 × 3?

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