Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 412 · 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 10 + 14 × 13 ÷ 4?
2. 2.If + means ÷, − means +, × means − and ÷ means ×, what is 6 × 13 − 19 ÷ 19?
3. 3.If + means ÷, − means ×, × means + and ÷ means −, what is 14 − 12 ÷ 14 × 13?
4. 4.If + means ×, − means ÷, × means − and ÷ means +, what is 18 + 7 × 9 ÷ 18?
5. 5.If + means ÷, − means +, × means − and ÷ means ×, what is 4 − 15 ÷ 10 + 2?
6. 6.If + means ÷, − means ×, × means + and ÷ means −, what is 15 × 2 − 5 ÷ 18?
7. 7.If + means ×, − means ÷, × means − and ÷ means +, what is 4 − 4 + 19 × 11?
8. 8.If + means ÷, − means ×, × means + and ÷ means −, what is 6 ÷ 9 × 6 − 18?
9. 9.If + means ÷, − means ×, × means + and ÷ means −, what is 15 − 9 × 13 ÷ 15?
10. 10.If + means ÷, − means +, × means − and ÷ means ×, what is 20 × 13 − 15 ÷ 20?
11. 11.If + means ×, − means ÷, × means − and ÷ means +, what is 13 ÷ 19 × 7 + 2?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 17 − 2 + 10 ÷ 5?
13. 13.If + means ×, − means ÷, × means + and ÷ means −, what is 16 ÷ 8 + 2 × 20?
14. 14.If + means −, − means +, × means ÷ and ÷ means ×, what is 19 + 14 − 11 × 11?
15. 15.If + means ×, − means ÷, × means − and ÷ means +, what is 3 ÷ 19 + 16 × 5?
16. 16.If + means ×, − means +, × means ÷ and ÷ means −, what is 19 + 15 − 4 ÷ 17?
17. 17.If + means −, − means ÷, × means + and ÷ means ×, what is 18 + 18 × 4 ÷ 3?
18. 18.If + means ×, − means ÷, × means − and ÷ means +, what is 4 ÷ 17 + 14 × 20?
19. 19.If + means ×, − means ÷, × means + and ÷ means −, what is 19 + 9 × 13 ÷ 6?
20. 20.If + means ×, − means ÷, × means − and ÷ means +, what is 4 × 18 ÷ 13 + 5?
21. 21.If + means −, − means +, × means ÷ and ÷ means ×, what is 14 − 6 × 3 ÷ 3?
22. 22.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 × 6 − 19 + 11?
23. 23.If + means ×, − means +, × means ÷ and ÷ means −, what is 11 ÷ 12 − 6 + 7?
24. 24.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 20 + 18 × 2?
25. 25.If + means −, − means ÷, × means + and ÷ means ×, what is 10 ÷ 6 + 19 × 14?
26. 26.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 ÷ 4 − 15 + 15?
27. 27.If + means ÷, − means ×, × means + and ÷ means −, what is 18 − 5 ÷ 10 × 12?
28. 28.If + means ÷, − means ×, × means + and ÷ means −, what is 5 − 2 × 8 ÷ 6?
29. 29.If + means −, − means ÷, × means + and ÷ means ×, what is 13 × 8 + 10 − 5?
30. 30.If + means ÷, − means +, × means − and ÷ means ×, what is 6 − 13 ÷ 19 × 7?
31. 31.If + means ×, − means ÷, × means + and ÷ means −, what is 13 + 16 − 8 ÷ 8?
32. 32.If + means ×, − means ÷, × means − and ÷ means +, what is 6 ÷ 3 + 16 × 9?
33. 33.If + means ×, − means ÷, × means − and ÷ means +, what is 20 + 17 − 5 × 5?
34. 34.If + means ÷, − means +, × means − and ÷ means ×, what is 18 ÷ 7 × 20 − 10?
35. 35.If + means ×, − means ÷, × means + and ÷ means −, what is 8 × 2 + 16 ÷ 3?
36. 36.If + means −, − means ×, × means ÷ and ÷ means +, what is 17 − 5 + 10 ÷ 11?
37. 37.If + means ÷, − means +, × means − and ÷ means ×, what is 8 ÷ 13 + 4 − 3?
38. 38.If + means ×, − means ÷, × means − and ÷ means +, what is 15 + 7 × 7 ÷ 12?
39. 39.If + means ×, − means ÷, × means + and ÷ means −, what is 20 + 18 − 9 ÷ 5?
40. 40.If + means ÷, − means +, × means − and ÷ means ×, what is 17 − 20 + 20 × 6?

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