Goal 10:GCF/LCM
List all of the factors of 32.
1, 2, 4, 8, 16, and 32
What is and equivalent to 1/2?
Varies: 2/4, 3/6, 4/8, 5/10
Find the improper fractions 5 1/12
61/12
1/2 + 1/2=?
1
Simplify the sum. 1/2 + 3/4=?
2/4 + 3/4= 5/4= 1 1/4
What is the LCM for 2 and 4
2
List 2 equivalent fractions to 6/8
Possible: 3/4, 12/16. 18/24
Find the Mixed number? 45/7
6 3/7
4/12 + 6/12=?
10/12=5/6
Simplify the sum. 4/5 + 5/10='
8/10 + 5/10= 13/10= 1 1/3
What is the LCM for 7 and 6
42
Complete the equation: 1/2= 6/?
12
Find the improper fractions 6 3/4
27/4
2/5-2/5=?
0
What is the error? 4/5 > 5/4
Cross multiply and 16 < 25 or notice that 4/5 < 1 and 5/4 > 1
What is the GCF for 8 and 6
2
Complete the equation: 1/7= 7/?
49
Find the improper fractions 11 1/2
8/9-7/9=?
2/9
Three pigs entered a race around a track. Piggly takes 12 minutes to run one lap. Piglet takes 6 minutes to run one lap and it takes Wiggly 16 minutes to run one lap. If all three pigs begin the race at the same time, how many minutes will it take for all three pigs to be at the starting point again?
LCM = 48 minutes
What is the GCF for 32 and 36
4
Complete the equation: ?/8= 6/24
2
Find the Mixed number? 65/8
8 1/8
2 1/2 + 4 1/2 + 3 1/2 =?
10 1/2
Johnny baked 36 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for his teacher friends at school. He wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If he wants each container to have the greatest number of cookies possible, how many plastic containers does he need?
GCF: 12 plastic containers