Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 651 · 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 12 × 14 ÷ 18 + 10?
2. 2.If + means ÷, − means +, × means − and ÷ means ×, what is 5 − 2 × 16 + 16?
3. 3.If + means ÷, − means ×, × means + and ÷ means −, what is 15 − 5 × 7 ÷ 14?
4. 4.If + means ×, − means ÷, × means − and ÷ means +, what is 19 + 20 × 4 ÷ 13?
5. 5.If + means −, − means ×, × means ÷ and ÷ means +, what is 12 − 20 ÷ 17 + 4?
6. 6.If + means −, − means ×, × means ÷ and ÷ means +, what is 6 − 3 + 17 ÷ 6?
7. 7.If + means ×, − means ÷, × means + and ÷ means −, what is 14 ÷ 6 × 4 + 5?
8. 8.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 + 12 ÷ 2 − 14?
9. 9.If + means ×, − means ÷, × means − and ÷ means +, what is 12 ÷ 3 + 16 − 12?
10. 10.If + means ÷, − means ×, × means − and ÷ means +, what is 13 − 8 ÷ 3 × 19?
11. 11.If + means ×, − means ÷, × means + and ÷ means −, what is 7 + 4 ÷ 18 × 20?
12. 12.If + means ×, − means +, × means ÷ and ÷ means −, what is 4 + 19 − 9 ÷ 18?
13. 13.If + means ×, − means ÷, × means + and ÷ means −, what is 3 + 2 ÷ 3 × 15?
14. 14.If + means −, − means ÷, × means + and ÷ means ×, what is 11 ÷ 10 × 7 + 17?
15. 15.If + means ×, − means ÷, × means − and ÷ means +, what is 13 × 6 ÷ 11 + 7?
16. 16.If + means −, − means ÷, × means + and ÷ means ×, what is 18 × 20 ÷ 20 + 13?
17. 17.If + means −, − means ÷, × means + and ÷ means ×, what is 3 × 13 ÷ 20 + 4?
18. 18.If + means ÷, − means +, × means − and ÷ means ×, what is 16 − 12 ÷ 7 × 10?
19. 19.If + means ÷, − means ×, × means − and ÷ means +, what is 6 + 6 ÷ 14 × 14?
20. 20.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 ÷ 4 − 15 + 20?
21. 21.If + means −, − means ×, × means ÷ and ÷ means +, what is 5 ÷ 6 × 2 − 2?
22. 22.If + means ÷, − means ×, × means + and ÷ means −, what is 2 ÷ 3 − 2 × 11?
23. 23.If + means ÷, − means +, × means − and ÷ means ×, what is 8 + 4 − 6 ÷ 15?
24. 24.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 − 17 + 10 ÷ 2?
25. 25.If + means ÷, − means ×, × means + and ÷ means −, what is 3 ÷ 10 × 20 − 20?
26. 26.If + means ÷, − means +, × means − and ÷ means ×, what is 11 − 12 ÷ 3 × 14?
27. 27.If + means ÷, − means +, × means − and ÷ means ×, what is 16 + 2 − 15 × 18?
28. 28.If + means ÷, − means ×, × means + and ÷ means −, what is 17 − 18 + 6 ÷ 20?
29. 29.If + means −, − means ×, × means ÷ and ÷ means +, what is 12 − 9 ÷ 19 + 8?
30. 30.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 − 10 × 5 ÷ 20?
31. 31.If + means −, − means +, × means ÷ and ÷ means ×, what is 7 ÷ 8 + 11 − 17?
32. 32.If + means ×, − means ÷, × means + and ÷ means −, what is 16 − 8 ÷ 2 × 3?
33. 33.If + means −, − means ÷, × means + and ÷ means ×, what is 3 ÷ 3 × 17 + 19?
34. 34.If + means ÷, − means +, × means − and ÷ means ×, what is 2 − 20 + 2 ÷ 7?
35. 35.If + means −, − means +, × means ÷ and ÷ means ×, what is 4 ÷ 10 + 2 − 9?
36. 36.If + means ÷, − means +, × means − and ÷ means ×, what is 14 + 14 − 15 ÷ 19?
37. 37.If + means −, − means ÷, × means + and ÷ means ×, what is 6 − 2 ÷ 12 × 20?
38. 38.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 × 6 − 2 ÷ 13?
39. 39.If + means ÷, − means ×, × means − and ÷ means +, what is 9 − 16 × 18 ÷ 10?
40. 40.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 ÷ 10 × 10 + 3?

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