Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 846 · 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 × 8 + 19 ÷ 13?
2. 2.If + means ×, − means ÷, × means + and ÷ means −, what is 5 × 20 + 13 ÷ 19?
3. 3.If + means ×, − means +, × means ÷ and ÷ means −, what is 16 + 3 − 16 × 16?
4. 4.If + means −, − means ÷, × means + and ÷ means ×, what is 19 × 7 ÷ 18 + 8?
5. 5.If + means ×, − means +, × means ÷ and ÷ means −, what is 6 × 3 − 7 + 18?
6. 6.If + means ×, − means ÷, × means − and ÷ means +, what is 11 × 11 ÷ 19 + 10?
7. 7.If + means ÷, − means ×, × means + and ÷ means −, what is 6 − 12 + 2 × 18?
8. 8.If + means ×, − means ÷, × means − and ÷ means +, what is 14 + 19 − 14 ÷ 18?
9. 9.If + means ÷, − means ×, × means + and ÷ means −, what is 18 + 2 − 18 ÷ 9?
10. 10.If + means ×, − means ÷, × means − and ÷ means +, what is 6 + 13 ÷ 8 × 20?
11. 11.If + means −, − means ÷, × means + and ÷ means ×, what is 20 × 6 ÷ 10 + 19?
12. 12.If + means ×, − means ÷, × means − and ÷ means +, what is 17 × 6 + 12 − 12?
13. 13.If + means ÷, − means ×, × means + and ÷ means −, what is 20 − 11 × 15 ÷ 6?
14. 14.If + means ÷, − means ×, × means + and ÷ means −, what is 3 + 3 − 6 × 19?
15. 15.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 × 15 + 19 ÷ 20?
16. 16.If + means −, − means ÷, × means + and ÷ means ×, what is 19 × 7 − 7 + 8?
17. 17.If + means −, − means ÷, × means + and ÷ means ×, what is 13 − 13 ÷ 20 + 6?
18. 18.If + means ÷, − means ×, × means + and ÷ means −, what is 16 − 6 ÷ 12 + 6?
19. 19.If + means ×, − means ÷, × means − and ÷ means +, what is 17 ÷ 6 + 10 × 19?
20. 20.If + means ×, − means ÷, × means − and ÷ means +, what is 6 + 15 − 9 ÷ 9?
21. 21.If + means −, − means ÷, × means + and ÷ means ×, what is 20 − 20 ÷ 19 + 7?
22. 22.If + means ×, − means ÷, × means + and ÷ means −, what is 18 × 3 + 11 ÷ 9?
23. 23.If + means −, − means ÷, × means + and ÷ means ×, what is 8 × 10 ÷ 13 + 14?
24. 24.If + means ÷, − means ×, × means + and ÷ means −, what is 14 − 2 × 4 ÷ 12?
25. 25.If + means −, − means ×, × means ÷ and ÷ means +, what is 4 ÷ 13 − 14 + 4?
26. 26.If + means ×, − means ÷, × means + and ÷ means −, what is 14 × 5 + 6 ÷ 2?
27. 27.If + means −, − means ×, × means ÷ and ÷ means +, what is 20 + 8 − 18 × 9?
28. 28.If + means −, − means ×, × means ÷ and ÷ means +, what is 15 × 5 ÷ 17 − 3?
29. 29.If + means ÷, − means ×, × means − and ÷ means +, what is 15 + 5 − 3 × 8?
30. 30.If + means ×, − means ÷, × means + and ÷ means −, what is 3 + 4 ÷ 3 × 16?
31. 31.If + means −, − means ÷, × means + and ÷ means ×, what is 9 ÷ 20 − 2 × 7?
32. 32.If + means ×, − means ÷, × means + and ÷ means −, what is 2 ÷ 10 × 10 + 4?
33. 33.If + means −, − means +, × means ÷ and ÷ means ×, what is 3 ÷ 19 − 13 + 17?
34. 34.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 + 6 × 2 − 19?
35. 35.If + means −, − means ÷, × means + and ÷ means ×, what is 10 ÷ 20 − 4 × 4?
36. 36.If + means ×, − means +, × means ÷ and ÷ means −, what is 18 − 18 × 3 ÷ 7?
37. 37.If + means −, − means +, × means ÷ and ÷ means ×, what is 7 + 16 − 7 ÷ 12?
38. 38.If + means ÷, − means +, × means − and ÷ means ×, what is 17 ÷ 2 + 17 − 18?
39. 39.If + means ×, − means +, × means ÷ and ÷ means −, what is 7 + 4 − 7 ÷ 14?
40. 40.If + means ÷, − means +, × means − and ÷ means ×, what is 9 × 4 − 8 ÷ 15?

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