Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 207 · 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 19 × 11 ÷ 12 + 11?
2. 2.If + means ×, − means ÷, × means − and ÷ means +, what is 12 ÷ 18 + 10 × 7?
3. 3.If + means ÷, − means ×, × means + and ÷ means −, what is 17 ÷ 18 × 15 − 14?
4. 4.If + means −, − means ÷, × means + and ÷ means ×, what is 10 + 12 − 2 × 12?
5. 5.If + means ÷, − means ×, × means + and ÷ means −, what is 3 − 14 × 18 ÷ 10?
6. 6.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 × 5 − 4 ÷ 4?
7. 7.If + means ÷, − means ×, × means + and ÷ means −, what is 3 ÷ 7 × 13 − 5?
8. 8.If + means −, − means ÷, × means + and ÷ means ×, what is 12 − 6 ÷ 16 + 9?
9. 9.If + means ÷, − means ×, × means − and ÷ means +, what is 5 ÷ 3 + 3 − 16?
10. 10.If + means −, − means ÷, × means + and ÷ means ×, what is 17 ÷ 11 + 11 × 17?
11. 11.If + means −, − means +, × means ÷ and ÷ means ×, what is 7 + 12 × 12 − 11?
12. 12.If + means ×, − means ÷, × means − and ÷ means +, what is 19 + 12 ÷ 8 × 14?
13. 13.If + means −, − means +, × means ÷ and ÷ means ×, what is 17 ÷ 14 + 3 − 17?
14. 14.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 − 20 ÷ 17 + 5?
15. 15.If + means −, − means +, × means ÷ and ÷ means ×, what is 15 − 2 ÷ 15 + 19?
16. 16.If + means −, − means ÷, × means + and ÷ means ×, what is 4 × 11 ÷ 12 − 12?
17. 17.If + means ×, − means ÷, × means + and ÷ means −, what is 5 + 10 ÷ 15 × 10?
18. 18.If + means ÷, − means ×, × means + and ÷ means −, what is 9 × 16 − 8 ÷ 2?
19. 19.If + means −, − means ÷, × means + and ÷ means ×, what is 13 ÷ 14 − 2 + 2?
20. 20.If + means ×, − means +, × means ÷ and ÷ means −, what is 3 − 20 × 4 + 6?
21. 21.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 − 10 ÷ 5 + 3?
22. 22.If + means ÷, − means ×, × means − and ÷ means +, what is 16 ÷ 17 − 10 × 19?
23. 23.If + means −, − means +, × means ÷ and ÷ means ×, what is 6 + 19 − 15 ÷ 16?
24. 24.If + means −, − means +, × means ÷ and ÷ means ×, what is 14 ÷ 8 × 14 − 20?
25. 25.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 − 18 × 7 + 14?
26. 26.If + means ×, − means +, × means ÷ and ÷ means −, what is 20 + 7 ÷ 15 − 18?
27. 27.If + means −, − means ÷, × means + and ÷ means ×, what is 3 × 10 ÷ 19 + 20?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 3 ÷ 11 − 20 × 15?
29. 29.If + means ÷, − means ×, × means − and ÷ means +, what is 15 × 13 ÷ 9 − 14?
30. 30.If + means ÷, − means ×, × means + and ÷ means −, what is 20 + 2 − 6 × 4?
31. 31.If + means ×, − means +, × means ÷ and ÷ means −, what is 9 + 9 − 10 × 10?
32. 32.If + means ×, − means +, × means ÷ and ÷ means −, what is 8 + 6 − 4 ÷ 5?
33. 33.If + means −, − means +, × means ÷ and ÷ means ×, what is 15 ÷ 10 × 5 + 4?
34. 34.If + means ×, − means ÷, × means + and ÷ means −, what is 2 × 8 + 17 ÷ 5?
35. 35.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 5 − 12 + 7?
36. 36.If + means −, − means +, × means ÷ and ÷ means ×, what is 6 ÷ 18 × 2 + 10?
37. 37.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 − 14 + 16 × 4?
38. 38.If + means ×, − means ÷, × means − and ÷ means +, what is 19 ÷ 15 + 15 − 3?
39. 39.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 − 14 ÷ 17 + 9?
40. 40.If + means ×, − means +, × means ÷ and ÷ means −, what is 12 − 4 + 17 ÷ 3?

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