πagarwalmath · 5th grade · Common Core 6.NS.B.4
🔗 Factors in common
Greatest common factor and least common multiple (and prime factorization)
Name: ______________________Date: ____________
1A bus leaves every 6 minutes and a train every 8 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
2A bus leaves every 8 minutes and a train every 12 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
3A bus leaves every 12 minutes and a train every 18 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
4Ana has 40 apples and 8 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
5A bus leaves every 10 minutes and a train every 15 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
6A bus leaves every 4 minutes and a train every 6 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
7Ben has 6 apples and 21 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
8Rosa has 27 apples and 18 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
9Lily has 54 apples and 45 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
10Sam has 42 apples and 35 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
11A bus leaves every 6 minutes and a train every 9 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
12Sam has 4 apples and 6 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
Answer key: Factors in common
- 1. 24 minutes
- 2. 24 minutes
- 3. 36 minutes
- 4. 8 bags
- 5. 30 minutes
- 6. 12 minutes
- 7. 3 bags
- 8. 9 bags
- 9. 9 bags
- 10. 7 bags
- 11. 18 minutes
- 12. 2 bags
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors