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Greatest Common Factor and Least Common Multiple
Presentation
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
Standards-aligned
Katina Blackmon
Used 3+ times
FREE Resource
6 Slides • 10 Questions
1
2
3
Multiple Choice
Which of the following is a correct method to find the least common multiple (LCM) of two numbers?
List the multiples of both numbers and find the smallest one they share.
Add the two numbers together.
Multiply the two numbers and subtract one.
Divide the larger number by the smaller number.
4
5
6
Multiple Choice
What is the greatest common factor (GCF) of 36 and 48?
6
12
18
24
7
8
Fill in the Blanks
The least common multiple (LCM) is the
9
10
Fill in the Blanks
Riley is making goody-bags for her friends. She has 45 fun-sized Skittles packages & 20 fun-sized Milky Ways. How many goody-bags can she make so each bag has the same amount of Skittles packages & the same amount of Milky Ways?
11
Multiple Choice
George was upset that hotdogs & buns didn’t come with the same amount in each package. There were 8 hotdogs in a package and 12 buns in a package. What is the least amount of total hotdogs and buns would he have to buy so he would have the same amount of each?
12
16
18
24
12
Fill in the Blanks
Mr. Pinello has 48 colored pencils and 32 markers to divide into containers for his
class. Mr. Pinello wants each container to have the same number of colored pencils
and the same number of markers. What is the greatest number of containers
Mr. Pinello can make?
13
Multiple Choice
Jenna goes to the library every 6 days. AJ goes to the library
every 8 days. If they see each other today, when will be the next
time they see each other? How many times will Jenna go to the
library? How many times will AJ go to the library?
24
18
16
12
14
Draw
Decide if each statement about 8 and 12 is true.
Choose True or False for EACH statement.
15
Multiple Select
What do all of the numbers below have in common?
8, 16, 24, 32, 40
Choose all the correct answers.
They are multiples of 8.
They are multiples of 6.
They are factors of 8
They have 6 as a factor.
They have 8 as a factor.
16
Multiple Choice
Trace puts 36 markers into containers. He puts the same number of markers
into one or more containers with no markers left over. Which list shows all of
the possible numbers of markers that Terence can put into each container?
2,3,4,6,9
1, 2, 3, 4, 6, 9, 12, 18, 36
4, 8, 12, 16, 20, 24, 28, 32, 36
1, 2, 3, 4
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