Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 643 · 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 13 + 2 × 9 ÷ 4?
2. 2.If + means ÷, − means ×, × means + and ÷ means −, what is 13 − 9 ÷ 15 × 19?
3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 + 17 ÷ 2 − 13?
4. 4.If + means ÷, − means ×, × means + and ÷ means −, what is 18 ÷ 15 × 13 − 20?
5. 5.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 − 9 ÷ 10 × 9?
6. 6.If + means ÷, − means ×, × means − and ÷ means +, what is 14 × 10 ÷ 2 − 16?
7. 7.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 + 15 ÷ 9 − 17?
8. 8.If + means −, − means ÷, × means + and ÷ means ×, what is 9 × 4 + 18 − 3?
9. 9.If + means ÷, − means ×, × means + and ÷ means −, what is 10 ÷ 7 + 7 × 15?
10. 10.If + means ÷, − means ×, × means + and ÷ means −, what is 19 − 8 × 14 + 7?
11. 11.If + means ×, − means ÷, × means − and ÷ means +, what is 7 + 14 × 3 ÷ 20?
12. 12.If + means ÷, − means ×, × means + and ÷ means −, what is 8 × 7 − 13 ÷ 5?
13. 13.If + means ÷, − means ×, × means − and ÷ means +, what is 12 + 4 ÷ 17 − 20?
14. 14.If + means −, − means ×, × means ÷ and ÷ means +, what is 8 − 2 ÷ 13 + 12?
15. 15.If + means ×, − means +, × means ÷ and ÷ means −, what is 15 + 3 ÷ 15 − 12?
16. 16.If + means −, − means ×, × means ÷ and ÷ means +, what is 12 ÷ 20 − 10 × 2?
17. 17.If + means ÷, − means ×, × means + and ÷ means −, what is 3 × 19 − 17 + 19?
18. 18.If + means ÷, − means ×, × means − and ÷ means +, what is 10 × 11 ÷ 7 − 19?
19. 19.If + means ×, − means ÷, × means − and ÷ means +, what is 10 − 5 ÷ 16 + 20?
20. 20.If + means ÷, − means ×, × means + and ÷ means −, what is 6 × 4 − 17 ÷ 10?
21. 21.If + means −, − means ÷, × means + and ÷ means ×, what is 20 − 4 ÷ 8 + 9?
22. 22.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 ÷ 6 − 16 + 20?
23. 23.If + means −, − means ÷, × means + and ÷ means ×, what is 10 − 5 + 2 × 19?
24. 24.If + means ×, − means +, × means ÷ and ÷ means −, what is 19 ÷ 17 − 13 + 14?
25. 25.If + means ÷, − means ×, × means − and ÷ means +, what is 18 + 18 ÷ 13 − 19?
26. 26.If + means ÷, − means ×, × means + and ÷ means −, what is 13 − 3 ÷ 7 × 2?
27. 27.If + means ÷, − means ×, × means + and ÷ means −, what is 8 − 14 × 18 ÷ 20?
28. 28.If + means −, − means ÷, × means + and ÷ means ×, what is 17 × 18 ÷ 8 + 5?
29. 29.If + means ×, − means +, × means ÷ and ÷ means −, what is 11 ÷ 9 − 3 + 14?
30. 30.If + means ×, − means ÷, × means + and ÷ means −, what is 15 ÷ 9 × 15 + 14?
31. 31.If + means −, − means +, × means ÷ and ÷ means ×, what is 3 ÷ 11 − 13 + 8?
32. 32.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 − 5 × 9 + 6?
33. 33.If + means ÷, − means ×, × means + and ÷ means −, what is 13 × 19 − 2 ÷ 2?
34. 34.If + means ×, − means ÷, × means + and ÷ means −, what is 8 + 17 × 15 ÷ 6?
35. 35.If + means ×, − means ÷, × means − and ÷ means +, what is 12 + 7 − 6 ÷ 15?
36. 36.If + means ×, − means ÷, × means − and ÷ means +, what is 6 + 3 ÷ 9 × 18?
37. 37.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 11 × 3 + 7?
38. 38.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 × 2 ÷ 8 − 20?
39. 39.If + means ÷, − means +, × means − and ÷ means ×, what is 20 ÷ 2 × 5 − 18?
40. 40.If + means ×, − means ÷, × means + and ÷ means −, what is 7 ÷ 8 × 4 + 4?

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