Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 999 · 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 20 + 15 ÷ 11 − 19?
2. 2.If + means −, − means ÷, × means + and ÷ means ×, what is 3 ÷ 5 − 15 × 3?
3. 3.If + means ÷, − means ×, × means + and ÷ means −, what is 4 × 8 − 18 + 12?
4. 4.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 − 11 + 20 ÷ 19?
5. 5.If + means ÷, − means ×, × means − and ÷ means +, what is 11 − 20 × 7 ÷ 4?
6. 6.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 ÷ 4 + 14 × 14?
7. 7.If + means ×, − means ÷, × means + and ÷ means −, what is 13 ÷ 14 × 12 + 11?
8. 8.If + means ÷, − means ×, × means − and ÷ means +, what is 8 − 10 ÷ 6 × 12?
9. 9.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 ÷ 5 − 9 + 5?
10. 10.If + means ÷, − means ×, × means − and ÷ means +, what is 8 × 12 ÷ 14 − 19?
11. 11.If + means −, − means ×, × means ÷ and ÷ means +, what is 17 ÷ 4 − 3 + 2?
12. 12.If + means ×, − means ÷, × means − and ÷ means +, what is 7 − 7 × 10 ÷ 18?
13. 13.If + means ×, − means +, × means ÷ and ÷ means −, what is 10 − 9 + 18 ÷ 14?
14. 14.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 ÷ 6 + 13 × 13?
15. 15.If + means ×, − means +, × means ÷ and ÷ means −, what is 20 + 18 ÷ 3 − 13?
16. 16.If + means ÷, − means ×, × means − and ÷ means +, what is 8 + 2 − 17 × 14?
17. 17.If + means ÷, − means +, × means − and ÷ means ×, what is 16 − 16 + 4 × 16?
18. 18.If + means −, − means +, × means ÷ and ÷ means ×, what is 14 − 5 + 9 × 9?
19. 19.If + means ÷, − means ×, × means + and ÷ means −, what is 13 ÷ 14 × 2 − 18?
20. 20.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 − 7 ÷ 19 + 19?
21. 21.If + means ×, − means ÷, × means − and ÷ means +, what is 18 × 12 + 2 − 8?
22. 22.If + means −, − means ÷, × means + and ÷ means ×, what is 13 ÷ 4 × 15 + 5?
23. 23.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 − 17 ÷ 6 + 2?
24. 24.If + means −, − means ÷, × means + and ÷ means ×, what is 7 × 8 ÷ 9 − 4?
25. 25.If + means ×, − means ÷, × means − and ÷ means +, what is 3 + 7 ÷ 19 × 4?
26. 26.If + means ×, − means ÷, × means − and ÷ means +, what is 8 × 6 ÷ 8 + 8?
27. 27.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 + 19 × 19 − 11?
28. 28.If + means −, − means ÷, × means + and ÷ means ×, what is 18 × 11 ÷ 11 + 18?
29. 29.If + means ÷, − means +, × means − and ÷ means ×, what is 20 × 13 ÷ 2 − 19?
30. 30.If + means ÷, − means ×, × means − and ÷ means +, what is 6 ÷ 20 + 5 × 8?
31. 31.If + means ×, − means ÷, × means + and ÷ means −, what is 12 + 18 × 8 ÷ 15?
32. 32.If + means ×, − means ÷, × means − and ÷ means +, what is 18 − 6 + 14 × 4?
33. 33.If + means ×, − means ÷, × means + and ÷ means −, what is 19 ÷ 2 + 4 − 8?
34. 34.If + means ÷, − means ×, × means − and ÷ means +, what is 10 + 10 ÷ 20 − 11?
35. 35.If + means ÷, − means ×, × means − and ÷ means +, what is 19 × 15 ÷ 10 − 4?
36. 36.If + means ÷, − means ×, × means − and ÷ means +, what is 17 − 9 ÷ 16 × 12?
37. 37.If + means ×, − means ÷, × means − and ÷ means +, what is 3 + 7 × 5 − 5?
38. 38.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 ÷ 18 − 3 + 2?
39. 39.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 2 × 18 + 16?
40. 40.If + means ×, − means ÷, × means − and ÷ means +, what is 4 + 13 ÷ 12 × 4?

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