Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 870 · 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 − 9 + 18 ÷ 19?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 12 ÷ 5 × 12 + 4?
3. 3.If + means ÷, − means +, × means − and ÷ means ×, what is 19 ÷ 16 − 18 × 2?
4. 4.If + means −, − means ×, × means ÷ and ÷ means +, what is 3 − 9 + 7 ÷ 3?
5. 5.If + means −, − means +, × means ÷ and ÷ means ×, what is 13 − 20 ÷ 15 + 19?
6. 6.If + means ×, − means ÷, × means + and ÷ means −, what is 16 ÷ 13 × 4 + 3?
7. 7.If + means ÷, − means ×, × means − and ÷ means +, what is 6 + 6 ÷ 16 − 15?
8. 8.If + means ×, − means ÷, × means − and ÷ means +, what is 9 + 12 × 15 ÷ 9?
9. 9.If + means ×, − means +, × means ÷ and ÷ means −, what is 15 − 2 ÷ 9 × 9?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 19 × 14 ÷ 14 + 13?
11. 11.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 + 5 ÷ 2 − 10?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 14 × 2 − 20 + 17?
13. 13.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 × 2 + 20 ÷ 12?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 3 − 3 ÷ 16 + 8?
15. 15.If + means ×, − means ÷, × means − and ÷ means +, what is 15 × 5 ÷ 2 + 19?
16. 16.If + means ×, − means ÷, × means + and ÷ means −, what is 2 + 19 × 5 ÷ 17?
17. 17.If + means ×, − means ÷, × means + and ÷ means −, what is 19 × 4 + 13 ÷ 18?
18. 18.If + means −, − means ×, × means ÷ and ÷ means +, what is 6 + 14 ÷ 4 − 17?
19. 19.If + means −, − means ×, × means ÷ and ÷ means +, what is 17 − 8 ÷ 10 + 10?
20. 20.If + means ×, − means ÷, × means + and ÷ means −, what is 18 − 9 × 2 + 2?
21. 21.If + means ×, − means +, × means ÷ and ÷ means −, what is 16 − 12 + 20 ÷ 7?
22. 22.If + means ×, − means ÷, × means + and ÷ means −, what is 15 × 7 + 10 − 2?
23. 23.If + means −, − means ÷, × means + and ÷ means ×, what is 2 × 15 ÷ 19 + 17?
24. 24.If + means ×, − means ÷, × means − and ÷ means +, what is 6 ÷ 5 + 9 × 13?
25. 25.If + means ×, − means ÷, × means − and ÷ means +, what is 8 − 4 ÷ 20 + 10?
26. 26.If + means −, − means ×, × means ÷ and ÷ means +, what is 17 + 8 ÷ 14 − 5?
27. 27.If + means ×, − means ÷, × means − and ÷ means +, what is 9 + 16 ÷ 6 × 9?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 9 ÷ 2 × 9 + 3?
29. 29.If + means −, − means +, × means ÷ and ÷ means ×, what is 4 − 4 ÷ 18 × 9?
30. 30.If + means ÷, − means ×, × means + and ÷ means −, what is 14 × 19 + 19 − 9?
31. 31.If + means ÷, − means +, × means − and ÷ means ×, what is 5 × 19 − 12 ÷ 8?
32. 32.If + means ÷, − means +, × means − and ÷ means ×, what is 18 − 10 × 20 + 10?
33. 33.If + means ×, − means ÷, × means + and ÷ means −, what is 20 × 20 + 6 ÷ 16?
34. 34.If + means ×, − means ÷, × means + and ÷ means −, what is 6 ÷ 6 × 5 + 13?
35. 35.If + means ×, − means ÷, × means + and ÷ means −, what is 7 + 6 ÷ 9 × 14?
36. 36.If + means −, − means +, × means ÷ and ÷ means ×, what is 6 + 12 − 13 ÷ 18?
37. 37.If + means ×, − means ÷, × means − and ÷ means +, what is 3 + 15 ÷ 7 × 11?
38. 38.If + means −, − means +, × means ÷ and ÷ means ×, what is 12 ÷ 4 − 9 + 17?
39. 39.If + means −, − means +, × means ÷ and ÷ means ×, what is 20 + 16 − 18 × 6?
40. 40.If + means ×, − means ÷, × means − and ÷ means +, what is 12 × 18 − 3 ÷ 12?

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