- Section A:
- For 2 and 5: Circle 10, 30, 60, 100.
- For 3 and 4: Circle 12, 24, 36, 96.
- For 6 and 8: Circle 24, 72, 480, 600, 800.
- Section B:
- Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40.
- Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50.
- Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
- Multiples of 12: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120.
- Using the table to identify:
- a) The LCM of 4 and 5 is 20.
- b) The LCM of 4, 8 and 12 is 24.
- c) The LCM of 9 and 12 is 36.
- d) The LCM of 5, 12 and 15 is 60.
- Section C:
- 1) The trains will stop at the same time again after 45 minutes.
- 2) Cameron will next spend the day collecting both snails and shells on a Wednesday, 48 days later.
- 3) Brandy should buy 8 packs of eggs and 3 packs of bread.
Parent Tip: Review the logic above to help your child master the concept of finding lcm worksheet.