Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 423 · 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 19 ÷ 2 × 20 + 5?
2. 2.If + means ÷, − means ×, × means + and ÷ means −, what is 5 − 19 × 4 ÷ 5?
3. 3.If + means ÷, − means ×, × means + and ÷ means −, what is 14 × 14 − 9 + 3?
4. 4.If + means ÷, − means ×, × means + and ÷ means −, what is 10 × 4 + 2 ÷ 2?
5. 5.If + means ÷, − means ×, × means + and ÷ means −, what is 9 × 9 − 12 + 9?
6. 6.If + means ×, − means ÷, × means − and ÷ means +, what is 5 + 12 ÷ 6 − 3?
7. 7.If + means ÷, − means ×, × means + and ÷ means −, what is 11 − 5 × 20 + 10?
8. 8.If + means ÷, − means ×, × means + and ÷ means −, what is 13 × 11 − 2 ÷ 3?
9. 9.If + means ÷, − means ×, × means + and ÷ means −, what is 5 ÷ 8 × 12 − 7?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 7 × 3 ÷ 19 + 20?
11. 11.If + means ×, − means ÷, × means − and ÷ means +, what is 12 + 9 × 8 ÷ 15?
12. 12.If + means ÷, − means ×, × means + and ÷ means −, what is 20 + 2 − 16 ÷ 19?
13. 13.If + means ×, − means +, × means ÷ and ÷ means −, what is 16 ÷ 15 − 4 + 13?
14. 14.If + means −, − means ÷, × means + and ÷ means ×, what is 3 ÷ 20 × 18 + 17?
15. 15.If + means ÷, − means ×, × means + and ÷ means −, what is 14 ÷ 17 × 2 − 11?
16. 16.If + means ÷, − means ×, × means + and ÷ means −, what is 4 − 5 + 2 × 13?
17. 17.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 + 10 ÷ 15 − 7?
18. 18.If + means ÷, − means +, × means − and ÷ means ×, what is 2 − 3 ÷ 16 + 12?
19. 19.If + means −, − means ×, × means ÷ and ÷ means +, what is 10 + 20 × 4 ÷ 7?
20. 20.If + means ×, − means ÷, × means + and ÷ means −, what is 8 + 3 − 3 × 3?
21. 21.If + means ÷, − means +, × means − and ÷ means ×, what is 9 − 4 ÷ 20 × 12?
22. 22.If + means ×, − means ÷, × means − and ÷ means +, what is 14 ÷ 12 + 15 × 13?
23. 23.If + means −, − means +, × means ÷ and ÷ means ×, what is 18 − 19 ÷ 3 + 4?
24. 24.If + means ×, − means +, × means ÷ and ÷ means −, what is 2 − 4 + 10 ÷ 19?
25. 25.If + means −, − means ×, × means ÷ and ÷ means +, what is 7 ÷ 10 − 3 × 10?
26. 26.If + means −, − means ÷, × means + and ÷ means ×, what is 15 × 12 + 2 − 2?
27. 27.If + means ÷, − means ×, × means + and ÷ means −, what is 19 ÷ 2 × 16 − 6?
28. 28.If + means ÷, − means ×, × means − and ÷ means +, what is 5 − 12 × 9 ÷ 18?
29. 29.If + means ×, − means ÷, × means − and ÷ means +, what is 13 ÷ 6 + 15 − 5?
30. 30.If + means ÷, − means ×, × means + and ÷ means −, what is 4 − 13 ÷ 5 × 4?
31. 31.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 ÷ 14 − 9 + 15?
32. 32.If + means ×, − means ÷, × means − and ÷ means +, what is 10 − 10 + 8 ÷ 9?
33. 33.If + means −, − means +, × means ÷ and ÷ means ×, what is 16 × 16 − 13 ÷ 14?
34. 34.If + means ÷, − means ×, × means + and ÷ means −, what is 2 × 14 + 14 − 19?
35. 35.If + means −, − means ×, × means ÷ and ÷ means +, what is 11 + 19 × 19 − 10?
36. 36.If + means ÷, − means +, × means − and ÷ means ×, what is 12 − 2 + 2 × 11?
37. 37.If + means ÷, − means +, × means − and ÷ means ×, what is 16 + 2 − 3 ÷ 4?
38. 38.If + means ÷, − means +, × means − and ÷ means ×, what is 11 × 18 − 2 ÷ 18?
39. 39.If + means ×, − means ÷, × means + and ÷ means −, what is 11 ÷ 5 × 4 + 5?
40. 40.If + means ÷, − means +, × means − and ÷ means ×, what is 16 × 5 − 4 + 2?

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