Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 951 · 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 8 − 17 ÷ 19 × 19?
2. 2.If + means ÷, − means ×, × means + and ÷ means −, what is 16 − 19 × 11 ÷ 14?
3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 6 + 7 ÷ 8 − 2?
4. 4.If + means ×, − means ÷, × means + and ÷ means −, what is 12 + 5 ÷ 11 × 18?
5. 5.If + means −, − means +, × means ÷ and ÷ means ×, what is 3 ÷ 5 + 10 − 11?
6. 6.If + means ×, − means ÷, × means − and ÷ means +, what is 17 × 19 + 8 − 19?
7. 7.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 + 4 − 7 ÷ 14?
8. 8.If + means ÷, − means ×, × means − and ÷ means +, what is 18 − 13 × 6 ÷ 11?
9. 9.If + means ÷, − means ×, × means + and ÷ means −, what is 2 × 13 ÷ 2 − 4?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 16 − 16 ÷ 15 × 15?
11. 11.If + means ×, − means ÷, × means − and ÷ means +, what is 15 + 13 − 13 × 7?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 − 12 + 18 ÷ 12?
13. 13.If + means ×, − means ÷, × means − and ÷ means +, what is 12 × 10 + 6 − 6?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 2 ÷ 8 + 4 × 20?
15. 15.If + means ×, − means ÷, × means − and ÷ means +, what is 5 ÷ 7 − 7 + 8?
16. 16.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 + 14 ÷ 10 − 18?
17. 17.If + means ÷, − means ×, × means + and ÷ means −, what is 17 × 14 ÷ 18 + 2?
18. 18.If + means ×, − means +, × means ÷ and ÷ means −, what is 8 − 12 + 10 ÷ 17?
19. 19.If + means ×, − means ÷, × means − and ÷ means +, what is 2 ÷ 9 + 13 × 3?
20. 20.If + means ÷, − means ×, × means + and ÷ means −, what is 16 + 4 − 10 × 4?
21. 21.If + means ×, − means +, × means ÷ and ÷ means −, what is 14 ÷ 7 − 20 + 8?
22. 22.If + means ÷, − means +, × means − and ÷ means ×, what is 5 × 13 − 8 ÷ 16?
23. 23.If + means ÷, − means ×, × means − and ÷ means +, what is 8 − 10 ÷ 12 × 13?
24. 24.If + means −, − means +, × means ÷ and ÷ means ×, what is 8 ÷ 2 − 11 + 3?
25. 25.If + means ÷, − means ×, × means − and ÷ means +, what is 11 ÷ 16 + 2 × 11?
26. 26.If + means ÷, − means +, × means − and ÷ means ×, what is 16 ÷ 15 + 6 − 6?
27. 27.If + means ×, − means ÷, × means + and ÷ means −, what is 4 + 6 × 19 ÷ 9?
28. 28.If + means ÷, − means ×, × means + and ÷ means −, what is 19 + 19 × 19 ÷ 5?
29. 29.If + means ×, − means +, × means ÷ and ÷ means −, what is 11 × 11 + 3 − 15?
30. 30.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 + 3 − 5 ÷ 5?
31. 31.If + means ×, − means +, × means ÷ and ÷ means −, what is 11 + 18 ÷ 17 − 9?
32. 32.If + means ×, − means ÷, × means − and ÷ means +, what is 10 + 18 ÷ 8 × 7?
33. 33.If + means ×, − means ÷, × means − and ÷ means +, what is 13 + 7 ÷ 14 × 18?
34. 34.If + means ×, − means ÷, × means + and ÷ means −, what is 15 × 12 + 17 ÷ 8?
35. 35.If + means ×, − means ÷, × means − and ÷ means +, what is 13 + 15 × 15 − 5?
36. 36.If + means ÷, − means ×, × means + and ÷ means −, what is 19 × 14 + 14 ÷ 20?
37. 37.If + means ×, − means ÷, × means + and ÷ means −, what is 12 × 10 + 8 ÷ 10?
38. 38.If + means ×, − means ÷, × means + and ÷ means −, what is 17 ÷ 8 − 2 × 19?
39. 39.If + means ×, − means ÷, × means − and ÷ means +, what is 15 × 9 + 12 − 9?
40. 40.If + means ÷, − means ×, × means + and ÷ means −, what is 7 × 9 − 20 ÷ 18?

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