
Finding LCM and GCF with the Ladder Method

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the ladder method?
Subtract the numbers
Add the numbers
Multiply the numbers
Flip the division sign upside down
Tags
CCSS.5.NBT.B.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which numbers are we working with in this tutorial?
25 and 40
15 and 21
30 and 42
20 and 35
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What number goes evenly into both 30 and 42?
5
7
3
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the results after dividing 30 and 42 by 2?
15 and 21
10 and 20
15 and 20
10 and 21
Tags
CCSS.5.OA.B.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the next common factor for 15 and 21?
5
3
7
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do you do when there are no more common factors?
Divide the numbers again
Highlight or circle the numbers
Multiply the remaining numbers
Stop the process
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the LCM using the highlighted numbers?
Divide the numbers
Add the numbers
Multiply the numbers
Subtract the numbers
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