

Finding GCF and LCM with the Cake Method
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Liam Anderson
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the GCF and LCM using prime factors?
Divide by the smallest prime number.
Subtract the smallest number from the largest.
Divide by the largest prime number.
Multiply all the numbers together.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which prime number is used first to divide both 24 and 40?
2
5
7
3
Tags
CCSS.5.NF.B.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many times does 2 go into 24?
10 times
8 times
6 times
12 times
Tags
CCSS.2.OA.C.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the GCF of 24 and 40?
10
6
4
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To find the LCM, what do you do with all the prime factors?
Subtract them.
Divide them.
Add them together.
Multiply them.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the LCM of 24 and 40?
180
240
320
120
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest prime number that goes into 12, 18, and 20?
3
5
7
2
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