Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 473 · 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 15 + 8 − 10 × 6?
2. 2.If + means ÷, − means +, × means − and ÷ means ×, what is 9 ÷ 20 + 15 − 13?
3. 3.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 − 18 ÷ 6 + 8?
4. 4.If + means ×, − means +, × means ÷ and ÷ means −, what is 5 + 12 ÷ 14 − 2?
5. 5.If + means ×, − means ÷, × means − and ÷ means +, what is 2 + 6 ÷ 12 × 2?
6. 6.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 − 6 + 17 ÷ 5?
7. 7.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 + 11 − 10 ÷ 14?
8. 8.If + means ÷, − means +, × means − and ÷ means ×, what is 15 ÷ 16 × 9 + 9?
9. 9.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 9 − 10 + 11?
10. 10.If + means ÷, − means ×, × means − and ÷ means +, what is 9 × 5 + 5 ÷ 4?
11. 11.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 − 15 + 11 × 11?
12. 12.If + means ÷, − means ×, × means − and ÷ means +, what is 16 ÷ 6 − 18 × 7?
13. 13.If + means ×, − means +, × means ÷ and ÷ means −, what is 12 ÷ 8 − 6 + 14?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 6 ÷ 2 × 9 + 9?
15. 15.If + means ÷, − means +, × means − and ÷ means ×, what is 12 × 14 − 20 + 5?
16. 16.If + means ÷, − means ×, × means − and ÷ means +, what is 10 × 18 ÷ 15 − 5?
17. 17.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 + 13 ÷ 4 − 18?
18. 18.If + means ÷, − means ×, × means + and ÷ means −, what is 13 + 13 − 10 × 20?
19. 19.If + means −, − means ÷, × means + and ÷ means ×, what is 20 + 9 − 9 × 18?
20. 20.If + means −, − means +, × means ÷ and ÷ means ×, what is 16 ÷ 17 + 11 − 12?
21. 21.If + means ×, − means ÷, × means − and ÷ means +, what is 15 × 2 + 6 ÷ 11?
22. 22.If + means −, − means ÷, × means + and ÷ means ×, what is 17 + 17 × 13 ÷ 5?
23. 23.If + means ÷, − means +, × means − and ÷ means ×, what is 10 − 19 ÷ 11 × 7?
24. 24.If + means ÷, − means ×, × means + and ÷ means −, what is 18 − 7 ÷ 19 × 2?
25. 25.If + means ×, − means +, × means ÷ and ÷ means −, what is 9 + 11 − 13 ÷ 13?
26. 26.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 ÷ 17 − 2 + 15?
27. 27.If + means ÷, − means ×, × means + and ÷ means −, what is 6 × 9 − 3 ÷ 14?
28. 28.If + means −, − means ×, × means ÷ and ÷ means +, what is 2 − 11 ÷ 19 + 5?
29. 29.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 − 15 ÷ 20 + 11?
30. 30.If + means ÷, − means ×, × means − and ÷ means +, what is 20 − 15 ÷ 12 × 10?
31. 31.If + means ÷, − means ×, × means + and ÷ means −, what is 15 − 12 ÷ 12 × 10?
32. 32.If + means ÷, − means ×, × means − and ÷ means +, what is 20 ÷ 12 − 2 × 15?
33. 33.If + means ÷, − means ×, × means + and ÷ means −, what is 18 + 6 × 8 ÷ 11?
34. 34.If + means −, − means ÷, × means + and ÷ means ×, what is 19 ÷ 8 × 20 + 7?
35. 35.If + means ×, − means ÷, × means + and ÷ means −, what is 2 ÷ 7 × 14 + 10?
36. 36.If + means −, − means ÷, × means + and ÷ means ×, what is 6 − 2 × 16 + 4?
37. 37.If + means ÷, − means ×, × means + and ÷ means −, what is 5 − 18 + 3 × 9?
38. 38.If + means ×, − means +, × means ÷ and ÷ means −, what is 4 ÷ 2 − 17 + 19?
39. 39.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 + 8 ÷ 8 − 4?
40. 40.If + means ×, − means ÷, × means + and ÷ means −, what is 10 × 6 + 11 ÷ 9?

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