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- 1. Multiple ChoiceWhat is the least common multiple (LCM) of 15 and 2?30245152
- 2. Multiple ChoiceFill in the missing multiple.
3: 3, 6, 9, ___, 15, 18, 2110111213 - 3. Multiple ChoiceWhat is the GCF of 24 and 40?1248
- 4. Multiple Choice
Find the Greatest Common Factor (GCF) of 12 & 27
1
3
9
12
- 5. Multiple Choice
Oscar needs to ship 14 rocks CDs, 12 classical CDs, and 8 pop CDs. He can pack only one type of CD in each box and he must pack the same number of CDs in each box. What is the greatest number of CDs Oscar can pack in each box?
7
1
8
2
- 6. Multiple ChoicePrime numbers have:Exactly 2 factors2 pairs of factorsMore than 2 factors1 factor
- 7. Multiple ChoiceWhich is a NOT a factor of 9?0139
- 8. Multiple Choice
Pencils come in packages of 10. Erasers come in packages of 12. Dean wants to purchase the smallest number of pencils and erasers so that he will have exactly 1 eraser per pencil. How many packages of pencils and erasers should Dean buy?
5 packages of pencils and 4 packages of erasers.
4 packages of pencils and 3 packages of erasers.
6 packages of pencils and 5 packages of erasers.
12 packages of pencils and 10 packages of erasers.
- 9. Multiple Choice
Train "A" leaves a subway station every 12 minutes. Train "E" leaves every 9 minutes. If both trains just left the station on parallel tracks, when will both leave the stations together again?
108 minutes
3 minutes
36 Minutes
45 minutes
- 10. Multiple Choice
Is this question asking to find GCF or LCM?GCFLCM - 11. Multiple ChoiceIs this question asking to find GCF or LCM?GCFLCM
- 12. Multiple ChoiceIs this question asking to find GCF or LCM?GCFLCM
- 13. Fill in the Blank
Find the GCF:
- 14. Fill in the Blank
Answer the following question by finding the GCF.
- 15. Multiple ChoiceA multiple must be greater than or equal to the largest starting number.TrueFalse
- 16. Multiple ChoiceA factor is a number that can divide into another number with no remainder.TrueFalse
- 17. Poll
How do you feel with solving GCF and LCM problems?
Good... I understand this!
I get it but I need more practice.
I do not understand at all.
- 18. Multiple Choice
Which is not a factor of 36?
3
6
36
72
- 19. Multiple ChoiceWhat is the least common multiple (LCM) of 8 and 5?504058
- 20. Multiple ChoiceWhat is the least common multiple (LCM) of 2 and 5?210207
- 21. Multiple Choice
Find the Greatest Common Factor (GCF) of 14 & 22.
1
2
7
14
- Answer choicesTagsAnswer choicesTags