Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 149 · 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 + 13 × 20 ÷ 14?
2. 2.If + means ÷, − means +, × means − and ÷ means ×, what is 20 ÷ 9 × 4 − 5?
3. 3.If + means ×, − means ÷, × means + and ÷ means −, what is 10 + 15 × 16 ÷ 6?
4. 4.If + means ÷, − means +, × means − and ÷ means ×, what is 8 + 4 ÷ 6 × 3?
5. 5.If + means ÷, − means ×, × means − and ÷ means +, what is 12 + 6 − 7 ÷ 10?
6. 6.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 − 2 + 16 × 16?
7. 7.If + means ×, − means ÷, × means − and ÷ means +, what is 19 × 5 ÷ 10 + 10?
8. 8.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 × 6 + 14 − 20?
9. 9.If + means ×, − means ÷, × means + and ÷ means −, what is 20 + 5 ÷ 18 − 2?
10. 10.If + means ÷, − means ×, × means + and ÷ means −, what is 17 − 20 ÷ 11 × 19?
11. 11.If + means ×, − means +, × means ÷ and ÷ means −, what is 15 × 5 − 19 ÷ 16?
12. 12.If + means ×, − means ÷, × means + and ÷ means −, what is 6 − 2 + 7 × 7?
13. 13.If + means ÷, − means ×, × means − and ÷ means +, what is 15 ÷ 8 × 4 − 3?
14. 14.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 × 2 ÷ 17 − 10?
15. 15.If + means ÷, − means +, × means − and ÷ means ×, what is 3 ÷ 5 + 5 − 17?
16. 16.If + means −, − means ÷, × means + and ÷ means ×, what is 3 + 3 × 20 − 5?
17. 17.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 ÷ 2 × 2 − 12?
18. 18.If + means ÷, − means +, × means − and ÷ means ×, what is 13 ÷ 9 − 11 × 19?
19. 19.If + means ×, − means ÷, × means + and ÷ means −, what is 20 + 5 ÷ 9 × 4?
20. 20.If + means ÷, − means ×, × means + and ÷ means −, what is 6 + 6 − 15 ÷ 9?
21. 21.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 + 7 ÷ 5 − 6?
22. 22.If + means ×, − means ÷, × means − and ÷ means +, what is 5 ÷ 9 + 15 × 15?
23. 23.If + means ÷, − means ×, × means − and ÷ means +, what is 5 − 16 × 14 + 2?
24. 24.If + means −, − means ÷, × means + and ÷ means ×, what is 17 + 18 × 2 ÷ 20?
25. 25.If + means ×, − means ÷, × means − and ÷ means +, what is 15 ÷ 7 + 6 × 4?
26. 26.If + means −, − means ÷, × means + and ÷ means ×, what is 2 × 10 ÷ 19 + 13?
27. 27.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 + 4 ÷ 10 − 3?
28. 28.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 + 3 ÷ 17 − 10?
29. 29.If + means −, − means +, × means ÷ and ÷ means ×, what is 16 − 7 + 2 ÷ 8?
30. 30.If + means ×, − means ÷, × means − and ÷ means +, what is 20 × 4 ÷ 20 + 10?
31. 31.If + means −, − means +, × means ÷ and ÷ means ×, what is 17 ÷ 4 + 9 − 18?
32. 32.If + means ÷, − means ×, × means − and ÷ means +, what is 8 − 7 × 18 + 18?
33. 33.If + means ÷, − means +, × means − and ÷ means ×, what is 12 ÷ 16 + 8 × 13?
34. 34.If + means ×, − means ÷, × means + and ÷ means −, what is 11 + 2 × 16 − 4?
35. 35.If + means ÷, − means ×, × means − and ÷ means +, what is 18 − 6 × 2 ÷ 6?
36. 36.If + means ×, − means ÷, × means − and ÷ means +, what is 5 + 7 ÷ 11 × 6?
37. 37.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 − 14 ÷ 6 + 15?
38. 38.If + means ×, − means ÷, × means + and ÷ means −, what is 9 ÷ 7 × 5 + 5?
39. 39.If + means −, − means ÷, × means + and ÷ means ×, what is 18 ÷ 16 × 16 + 11?
40. 40.If + means ÷, − means +, × means − and ÷ means ×, what is 20 ÷ 14 + 20 − 3?

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