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 4 minutes and a train every 6 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
2Nora has 20 apples and 12 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
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
4A 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
5Rosa has 12 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
6A 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
7Zoe has 2 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
8Ana has 16 apples and 12 oranges and makes bags that are all the same, using every fruit. What is the most bags that can be made?
Answer: ______________ bags
9Aiden has 28 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
10Theo has 36 apples and 42 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 8 minutes and a train every 12 minutes. They both leave at 8:00. How many minutes until they leave together again?
Answer: ______________ minutes
12A 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
Answer key: Factors in common
- 1. 12 minutes
- 2. 4 bags
- 3. 36 minutes
- 4. 18 minutes
- 5. 3 bags
- 6. 30 minutes
- 7. 2 bags
- 8. 4 bags
- 9. 7 bags
- 10. 6 bags
- 11. 24 minutes
- 12. 24 minutes
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/preview-factors