GCF/LCM Review Sheet

Find the LCM of 42 and 66

• 2772

• 6

• 462

• 132

Is this question asking to find GCF or LCM?

• GCF

• LCM

Is this question asking to find GCF or LCM?

• GCF

• LCM

Find the GCF of each set of numbers.
12, 30

• 4

• 2

• 5

• 6

Find the GCF of each set of numbers.
50, 40

• 5

• 2

• 10

• 8

Find the GCF of each set of numbers.
28, 42, 56

• 14

• 4

• 7

• 8

Find the GCF of each set of numbers.
14, 56, 63

• 9

• 4

• 7

• 8

Find the LCM of each set of numbers. 
 3, 5 

• 15

• 20

• 30

• 33

A store is organizing toys into bins. The toys must be put into bins so that each bin contains the same number of toys without mixing the toys.
 What is the greatest number of toys that can be put in a bin?
               Toys to Place in Bins
      Toy                              Number of Toys
Anemones                            12
Limpets                                 14
Snails                                    18

• 1 of each toy 

• 2 of each toy 

• 3 of each toy 

• 4 of each toy 

A store is organizing toys into bins. The toys must be put into bins so that each bin contains the same number of toys without mixing the toys.
What is the greatest number of toys that can be put in a bin?
              Toys to Place in Bins
    Toy                              Number of Toys
Anemones                            12
Limpets                                 14
Snails                                    18

• 5 bins for anemones, 7 bins for limpets, and 9 bins for Snails

• 5 bins for anemones, 6 bins for limpets, and 8 bins for Snails

• 6 bins for anemones, 7 bins for limpets, and 9 bins for Snails

• 7 bins for anemones, 8 bins for limpets, and 10 bins for Snails