GCF & LCM - Solving Real World Problems

Ms. Corvino has 84 packs of pretzels and 56 juice boxes. She wants to share them equally with the in-person 6th graders with nothing leftover. The greatest number of students that can receive pretzels and juice boxes is _____.

Plastic forks come in packs of 8, spoons in packs of 10, and knives in packs of 12. What is the smallest number of forks, knives and spoons that you could have to have the same number each?

• 24

• 120

• 60

• 40

Tags

CCSS.6.NS.B.4

Nancy practices her tiktok dances often. She practices the #shotxcrisis dance every 4 days, #positions dance every 6 days, and #franchise dance every 9 days. If she practices all three of them today, how many days will it be until she practices all 3 dances on the same day again?

• 36 days

• 18 days

• 24 days

• 72 days

Tags

CCSS.6.NS.B.4

Mrs. Greenberg, the 7th grade math teacher, has 15 logic puzzles, 10 visual puzzles and 30 word puzzles that she wants to group into sets for students who finish their tests early. Mrs. Greenberg wants each set to be identical, containing the same combination of logic puzzles and visual puzzles, with no puzzles left over. The most number of sets she can create is _____.

Is this an least common multiple problem, greatest common factor problem, or neither?

Andy is planning a birthday party. His mom said she would make 18 personal pizzas and 27 mini-cupcakes. How many people can Andy invite to his party so the pizza and cupcakes are shared equally among his friends with nothing leftover? How many pizzas and cupcakes will each person get?

• Least Common Multiple

• Greatest Common Factor

• Neither

Tags

CCSS.6.NS.B.4

Is this a least common multiple problem, greatest common factor problem, or neither?

Mr. Bluestone purchased boxes of baseballs contains 15 balls each and boxes of gloves each containing 25 gloves. Mr. Bluestone purchased the same number of balls and gloves. How many balls and gloves he did purchase if he bought the same number of each?

• LCM

• GCF

• Neither

Tags

CCSS.6.NS.B.4

The GCF of 99 and 45 is _____.

What is the GCF of 20, 40 and 72?

• 8

• 4

• 360

• 2

Tags

CCSS.6.NS.B.4

The greatest common factor of 39 and 13 is _____.

The least common multiple of 15 and 9 is _____.