Greatest Common Factors
Find the Greatest Common Factor (GCF) of: 4 and 8.
Find the Least Common Multiple (LCM) of: 12 and 4.
The LCM is 12.
0.52*80
41.6
0.2+0.7
0.9
Elena has 20 apples and 35 crackers for making snack bags. She wants to make as many snack bags as possible and wants each bag to have the same combination of apples and crackers. What is the largest number of snack bags she could make?
GCF
Find the Greatest Common Factor (GCF) of: 15 and 35.
The GCF is 5.
Find the Least Common Multiple (LCM) of: 6 and 7.
The LCM is 42.
0.5*2.0
1.0
11.3 – 9.5
1.8
A florist orders sunflowers every 6 days, starting from the sixth day of the year, and daisies every 4 days, starting from the fourth day of the year. When (or on which day) will she orders both kinds of flowers on the same day?
LCM
Find the Greatest Common Factor (GCF) of: 21 and 28.
The GCF is 7.
Find the Least Common Multiple (LCM) of: 3 and 9.
The LCM is 9.
9.7*6.2
60.14
0.02 – 0.0116
0.0084
Noah has 12 yellow square cards and 18 green ones. All the cards are the same size. He would like to arrange the square cards into two rectangles—one of each color. He wants both the yellow and green rectangles to have the same height and to be as tall as possible. What is the tallest possible height for the two rectangles?
GCF
Gomez has 30 cans of regular soda and 18 cans of diet soda. He wants to create some identical refreshment tables that will operate during the football game. He also doesn’t want to have any sodas left over. What is the greatest number of refreshment tables that Gomez can stock?
The GCF is 6.
Lin’s uncle is opening a bakery. On the bakery’s grand opening day, he plans to give away prizes to the first 50 customers that enter the shop. Every fifth customer will get a free bagel. Every ninth customer will get a free blueberry muffin. Every 12th customer will get a free slice of carrot cake.
1. Diego is waiting in line and is the 23rd customer. How far back should he go to get a slice of carrot cake?
One Place back to customer 24
A pound of blueberries costs $3.98 and a pound of clementines costs $2.49.
What is the cost of 0.9 pound of clementines?
$2.24
A runner has run 1.192 kilometers of a 10-kilometer race. How much farther does he need to run to finish the race?
8.808 Kilometers
A string of holiday lights at a store have three colors that flash at different times. Red lights flash every fifth second. Blue lights flash every third seconds. Green light flashes every four seconds. The store owner turns on the lights. After how many seconds will all three lights flash at the same time for the first time?
LCM