APPENDIXB
Answer Key
This appendix includes the answers to the practice problems in Appendix A. Check your work and see how you’ve progressed!
Chapter 1: Multiplication
| 1. | 48 |
| 2. | 49 |
| 3. | 54 |
| 4. | 90 |
| 5. | 42 |
| 6. | 28,710 |
| 7. | 56,012 |
| 8. | 38,225 |
| 9. | 7,859 |
| 10. | 101,761 |
| 11. | 72 |
| 12. | 48 |
| 13. | 63 |
| 14. | 32 |
| 15. | 56 |
| 16. | 9,310 |
| 17. | 8,455 |
| 18. | 8,004 |
| 19. | 8,740 |
| 20. | 8,624 |
| 21. | 987,030 |
| 22. | 978,096 |
| 23. | 975,156 |
| 24. | 995,006 |
| 25. | 987,042 |
| 26. | 266 |
| 27. | 168 |
| 28. | 323 |
| 29. | 228 |
| 30. | 143 |
| 31. | 12,257 |
| 32. | 12,296 |
| 33. | 13,688 |
| 34. | 12,656 |
| 35. | 12,430 |
| 36. | 1,016,063 |
| 37. | 1,019,048 |
| 38. | 1,033,270 |
| 39. | 1,014,024 |
| 40. | 1,020,036 |
| 41. | 99 |
| 42. | 120 |
| 43. | 96 |
| 44. | 91 |
| 45. | 108 |
| 46. | 9,898 |
| 47. | 9,240 |
| 48. | 10,767 |
| 49. | 10,152 |
| 50. | 10,752 |
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