Symbol Substitution Worksheet

Logical reasoning lesson 26: Symbol substitution · Set 578 · 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 × 5 + 19 ÷ 16?
2. 2.If + means ÷, − means ×, × means − and ÷ means +, what is 15 ÷ 6 − 4 × 10?
3. 3.If + means −, − means ÷, × means + and ÷ means ×, what is 15 + 4 × 15 ÷ 2?
4. 4.If + means ×, − means +, × means ÷ and ÷ means −, what is 6 − 8 + 14 ÷ 3?
5. 5.If + means ×, − means +, × means ÷ and ÷ means −, what is 19 − 8 ÷ 16 × 2?
6. 6.If + means ×, − means ÷, × means − and ÷ means +, what is 16 × 3 ÷ 7 + 6?
7. 7.If + means ÷, − means ×, × means − and ÷ means +, what is 6 × 10 ÷ 18 − 13?
8. 8.If + means ×, − means ÷, × means − and ÷ means +, what is 13 × 13 + 19 − 19?
9. 9.If + means −, − means ×, × means ÷ and ÷ means +, what is 3 − 2 ÷ 16 + 8?
10. 10.If + means ×, − means ÷, × means + and ÷ means −, what is 15 × 9 − 9 ÷ 7?
11. 11.If + means −, − means ×, × means ÷ and ÷ means +, what is 12 − 2 ÷ 8 + 16?
12. 12.If + means −, − means ×, × means ÷ and ÷ means +, what is 18 + 5 ÷ 16 − 19?
13. 13.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 − 14 ÷ 9 + 5?
14. 14.If + means −, − means +, × means ÷ and ÷ means ×, what is 5 + 16 − 6 ÷ 5?
15. 15.If + means ×, − means ÷, × means − and ÷ means +, what is 14 ÷ 5 + 18 − 15?
16. 16.If + means −, − means +, × means ÷ and ÷ means ×, what is 9 ÷ 16 × 3 + 14?
17. 17.If + means ×, − means ÷, × means − and ÷ means +, what is 14 ÷ 14 − 2 + 18?
18. 18.If + means ÷, − means ×, × means − and ÷ means +, what is 9 ÷ 12 − 20 × 17?
19. 19.If + means −, − means ÷, × means + and ÷ means ×, what is 15 × 8 ÷ 4 + 14?
20. 20.If + means −, − means ×, × means ÷ and ÷ means +, what is 13 ÷ 9 − 19 + 17?
21. 21.If + means ÷, − means ×, × means − and ÷ means +, what is 8 × 18 ÷ 7 − 2?
22. 22.If + means −, − means ×, × means ÷ and ÷ means +, what is 19 + 14 ÷ 11 − 2?
23. 23.If + means ÷, − means ×, × means + and ÷ means −, what is 2 − 16 + 2 × 7?
24. 24.If + means ×, − means ÷, × means + and ÷ means −, what is 16 ÷ 10 × 4 + 16?
25. 25.If + means −, − means ÷, × means + and ÷ means ×, what is 17 × 5 ÷ 19 + 5?
26. 26.If + means −, − means ÷, × means + and ÷ means ×, what is 15 + 12 × 8 ÷ 4?
27. 27.If + means ×, − means ÷, × means − and ÷ means +, what is 9 × 11 − 11 + 6?
28. 28.If + means ×, − means ÷, × means − and ÷ means +, what is 15 ÷ 6 + 19 − 6?
29. 29.If + means −, − means ÷, × means + and ÷ means ×, what is 9 + 11 − 11 × 3?
30. 30.If + means ÷, − means ×, × means + and ÷ means −, what is 6 − 16 + 12 × 12?
31. 31.If + means ×, − means +, × means ÷ and ÷ means −, what is 14 + 5 ÷ 15 − 6?
32. 32.If + means ×, − means ÷, × means − and ÷ means +, what is 7 ÷ 19 + 4 − 19?
33. 33.If + means ÷, − means +, × means − and ÷ means ×, what is 2 ÷ 16 − 14 + 2?
34. 34.If + means ÷, − means ×, × means − and ÷ means +, what is 18 − 9 ÷ 12 × 20?
35. 35.If + means −, − means ÷, × means + and ÷ means ×, what is 15 ÷ 15 × 17 + 5?
36. 36.If + means ×, − means +, × means ÷ and ÷ means −, what is 8 − 5 + 16 ÷ 19?
37. 37.If + means ×, − means ÷, × means + and ÷ means −, what is 9 + 4 ÷ 16 − 8?
38. 38.If + means −, − means ×, × means ÷ and ÷ means +, what is 9 − 18 + 5 ÷ 15?
39. 39.If + means −, − means ÷, × means + and ÷ means ×, what is 19 + 17 × 6 ÷ 10?
40. 40.If + means ÷, − means +, × means − and ÷ means ×, what is 11 − 2 × 10 + 2?

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