GCF & LCM 36 ----- 90 14 ----- 35 8 ----- 12 - Flocabulary
Name: _________________________________________________ Date: _____________
GCF & LCM Greatest Common Factor For each question, write out the factors for each number, and then circle the greatest common factor. 1. 10: _________________________________________________________ 20: _________________________________________________________
2. 12: _________________________________________________________ 16: _________________________________________________________
3. 27: _________________________________________________________ 36: _________________________________________________________ Simplify each of the following fractions by determining the greatest common factor. 4.
8 ----12
5.
14 ----35
6.
36 ----90
7. A florist has 8 roses and 24 daffodils. She wants to make as many identical bouquets as possible, with the same combination of roses and daffodils. What is the largest amount of bouquets she can make?
4
continued next page
Name: _________________________________________________ Date: _____________
GCF & LCM
4continued from previous page
Least Common Multiple For each question, write out enough multiples of each number to find the least common multiple. Circle it. 8. 5:
_________________________________________________________
6:
_________________________________________________________
9. 3:
_________________________________________________________
24: _________________________________________________________
10. 14: _________________________________________________________ 4: _________________________________________________________
11. Derek shopping for hot dogs and buns. He is surprised to find that the hot dogs come in packs of 8, while the buns come in packs of 12. How many hot dogs and buns will Derek have to buy if he wants to have the same number of each?
GCF & LCM Greatest Common Factor For each question, write out the factors for each number, and then circle the greatest common factor. 1. 10: _________________________________________________________ 20: _________________________________________________________
2. 12: _________________________________________________________ 16: _________________________________________________________
3. 27: _________________________________________________________ 36: _________________________________________________________ Simplify each of the following fractions by determining the greatest common factor. 4.
8 ----12
5.
14 ----35
6.
36 ----90
7. A florist has 8 roses and 24 daffodils. She wants to make as many identical bouquets as possible, with the same combination of roses and daffodils. What is the largest amount of bouquets she can make?
4
continued next page
Name: _________________________________________________ Date: _____________
GCF & LCM
4continued from previous page
Least Common Multiple For each question, write out enough multiples of each number to find the least common multiple. Circle it. 8. 5:
_________________________________________________________
6:
_________________________________________________________
9. 3:
_________________________________________________________
24: _________________________________________________________
10. 14: _________________________________________________________ 4: _________________________________________________________
11. Derek shopping for hot dogs and buns. He is surprised to find that the hot dogs come in packs of 8, while the buns come in packs of 12. How many hot dogs and buns will Derek have to buy if he wants to have the same number of each?
