LCM GCF Exponents Simplify Equations

Is this question asking to find GCF or LCM?

• GCF

• LCM

Is this question asking to find GCF or LCM?

• GCF

• LCM

Jeremy has two pieces of wood:  one is 90 inches and the other is 72 inches. He wants to cut both pieces into smaller pieces of the same length.  What is the longest possible length he can cut and not have any lumber left over?

• 9

• 2

• 18

• 72

Is this question asking to find GCF or LCM?

• GCF

• LCM

Is this question asking to find GCF or LCM?

• GCF

• LCM

Pencils come in packs of 8 and highlighters in packs of 12.
What is the least number of pencils and highlighters you need to buy for an equal amount?
What is the least number of packages you need to buy to have an equal amount of pencils and highlighters?

• 4  2 pencil and 3 highlighter

•  48  6 pencil and 4 highlighter

• 24  3 pencil and 2 highlighter

You have 18 red legos and 24 green legos.  You need to combine them into groups of the same size with the same number of red and green legos in each group.
What is the greatest number of groups you can make?
How many red and green legos will be in each group?

•  6 groups  3 red and 4 green

•  72 groups  6 red and 3 green

•  3 groups  6 red and 8 green

Jenny goes to dance class every 6 days, karate class every 12 days, and to the library every 18 days. On December 1st she went to both classes and the library. On what date will she do both classes and go to the library?

• Greatest Common Factor

• Least Common Multiple