Weekly Quiz GCF and LCM 9/15/17
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Your last name
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Your math teacher
Mrs Farmer
Mrs Judd
Mr Montgomery
Mr Vonderheide
Mrs Walker
Your math period
Your answer
1) Find the GCF of 18 and 24. Use one of the strategies used this week in class.
1 point
2
4
6
9
2) Find the GCF of 24 and 48. Use one of the strategies used this week in class.
1 point
4
6
12
24
3) How many factors do 24 and 48 have in common?
1 point
4
8
12
24
4) What are two ways to find the GCF?
2 points
Factor tree method
Multiply the numbers together method
Use the ladder method
Write out the multiples of the numbers method
5) Find the LCM of 12 and 16 using any method covered in class this week.
1 point
4
16
48
60
6) Two friends are running laps. Eric completes a lap in 30 minutes and Fernando completes a lap in 45 minutes. If they started at the same time, in how many minutes will they be at the starting line again?
2 points
90 minutes
45 minutes
150 minutes
60 minutes
7) Find the LCM of 12 and 28. Use any method covered in class this week.
1 point
48
84
120
150
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