Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 90 · 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 17 + 13 × 13 ÷ 16?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 7 ÷ 19 − 10 × 16?
3. 3.If + means ÷, − means ×, × means − and ÷ means +, what is 17 × 14 ÷ 14 − 7?
4. 4.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 − 3 × 5 ÷ 18?
5. 5.If + means −, − means +, × means ÷ and ÷ means ×, what is 5 ÷ 7 − 8 + 19?
6. 6.If + means ÷, − means ×, × means + and ÷ means −, what is 5 − 11 × 15 ÷ 8?
7. 7.If + means ÷, − means ×, × means + and ÷ means −, what is 12 + 6 − 19 × 17?
8. 8.If + means ÷, − means ×, × means − and ÷ means +, what is 4 ÷ 4 − 11 × 18?
9. 9.If + means ÷, − means ×, × means − and ÷ means +, what is 13 − 16 × 4 ÷ 5?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 14 × 16 − 16 ÷ 2?
11. 11.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 ÷ 14 + 20 − 17?
12. 12.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 + 3 − 11 ÷ 3?
13. 13.If + means ÷, − means ×, × means − and ÷ means +, what is 14 ÷ 15 − 17 × 14?
14. 14.If + means −, − means ÷, × means + and ÷ means ×, what is 16 + 16 ÷ 9 − 16?
15. 15.If + means ÷, − means ×, × means + and ÷ means −, what is 5 + 5 × 2 − 14?
16. 16.If + means ×, − means ÷, × means − and ÷ means +, what is 14 + 20 × 16 − 2?
17. 17.If + means ×, − means +, × means ÷ and ÷ means −, what is 4 + 15 × 3 ÷ 3?
18. 18.If + means ×, − means ÷, × means + and ÷ means −, what is 5 + 3 × 19 ÷ 4?
19. 19.If + means ÷, − means ×, × means + and ÷ means −, what is 13 − 11 × 12 + 2?
20. 20.If + means ×, − means ÷, × means + and ÷ means −, what is 18 + 10 × 15 − 3?
21. 21.If + means −, − means ÷, × means + and ÷ means ×, what is 7 × 18 ÷ 4 − 9?
22. 22.If + means ÷, − means ×, × means + and ÷ means −, what is 10 + 5 − 7 ÷ 5?
23. 23.If + means ÷, − means ×, × means − and ÷ means +, what is 16 × 3 ÷ 11 − 6?
24. 24.If + means ÷, − means +, × means − and ÷ means ×, what is 10 − 15 ÷ 9 × 15?
25. 25.If + means ÷, − means ×, × means − and ÷ means +, what is 6 ÷ 16 − 10 × 13?
26. 26.If + means ÷, − means ×, × means + and ÷ means −, what is 13 ÷ 3 × 6 + 3?
27. 27.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 − 18 + 15 ÷ 20?
28. 28.If + means ÷, − means ×, × means + and ÷ means −, what is 17 ÷ 18 × 13 − 13?
29. 29.If + means ×, − means ÷, × means − and ÷ means +, what is 11 × 8 + 3 ÷ 18?
30. 30.If + means ×, − means ÷, × means − and ÷ means +, what is 12 + 12 − 2 × 2?
31. 31.If + means −, − means +, × means ÷ and ÷ means ×, what is 5 − 6 ÷ 12 + 9?
32. 32.If + means ×, − means ÷, × means + and ÷ means −, what is 3 + 9 × 13 ÷ 20?
33. 33.If + means ×, − means ÷, × means + and ÷ means −, what is 7 ÷ 12 × 19 + 4?
34. 34.If + means ÷, − means +, × means − and ÷ means ×, what is 3 ÷ 18 + 3 × 13?
35. 35.If + means ÷, − means +, × means − and ÷ means ×, what is 2 − 7 ÷ 14 × 2?
36. 36.If + means ×, − means ÷, × means + and ÷ means −, what is 18 + 14 × 2 ÷ 17?
37. 37.If + means −, − means ×, × means ÷ and ÷ means +, what is 3 − 8 + 17 ÷ 18?
38. 38.If + means ÷, − means ×, × means + and ÷ means −, what is 12 − 18 ÷ 2 × 5?
39. 39.If + means ×, − means ÷, × means + and ÷ means −, what is 17 ÷ 19 × 15 + 12?
40. 40.If + means ×, − means ÷, × means + and ÷ means −, what is 16 + 11 × 5 ÷ 16?

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