GCF/LCM
GCF of 12 and 18
6
Sarah has 12 red beads and 18 blue beads. She wants to make identical groups using all the beads. What is the greatest number of groups she can make?
6 groups
15.82-7.46
8.36
Mia has $25.00. She purchases a notebook for $8.75. How much money does she have left?
$16.25
3/4 divided by 1/2
1 1/2
LCM of 4 and 6
12
Two bells ring at the same time. One rings every 6 minutes and the other rings every 8 minutes. After how many minutes will they ring together again?
24 minutes
3.6 x 4.5
16.2
A bottle of water holds 1.25 liters. If a store sells 6 bottles, how many liters of water are there altogether?
7.5 liters
3/4 รท 1 1/2
1/2
GCF of 24 and 36
12
A teacher has 24 pencils and 36 erasers. She wants to make identical supply bags using all the items. What is the largest number of bags she can make?
12 bags
12.48 x 2.35
29.328
A school purchases 12 notebooks for each of its 8 sixth-grade classrooms. Each notebook costs $2.45. How much does the school spend on notebooks altogether?
$235.20
4 3/8 divided by 5 5/7
49/56
GCF and LCM of 8 and 12
GCF = 4
LCM = 24
Two buses leave a station at the same time. One returns every 12 minutes and the other returns every 18 minutes. After how many minutes will they return together?
36 minutes
18.72 divided by 2.4
7.8
A baker has 15.75 pounds of flour. Each batch of cookies requires 0.75 pounds of flour. How many batches of cookies can the baker make?
21 batches
A recipe requires 2/3 cup of flour to make one batch of muffins. If you have 4 2/3 cups of flour, how many full batches of muffins can you make?
7 batches
GCF and LCM of 18 and 30
GCF = 6
LCM = 90
A coach has 48 soccer balls and 60 cones. He wants to create identical equipment sets using all the items. What is the greatest number of identical sets he can make, and how many soccer balls and cones will be in each set?
12 sets
4 soccer balls and 5 cones per set
45.864 divided by 1.2
38.22
A runner completes a race that is 12.6 miles long. If each lap around the track is 0.35 miles, how many laps does the runner complete?
36 laps
A construction worker has 6 3/4 feet of wood. Each piece needs to be 3/8 of a foot long.
How many pieces of wood can the worker cut?
18 pieces