GCF.notebook
August 24, 2016
8/24
Problem of the Day
Find the missing digits to complete the
problems below.
(a)
63
­ 3,9 9
2,8 3 ∎
(b) 71, 4
­ 4,8 6
6 ,2 7 0
Aug 21­12:54 PM
1
GCF.notebook
August 24, 2016
Aug 22­3:36 PM
2
GCF.notebook
August 24, 2016
Rebecca has 20 ping pong balls and 16 table tennis paddles. She wants to sell packages of ping pong balls and paddles bundled together. What is the greatest number of packages she can sell with no leftover ping pong balls or paddles?
Aug 21­12:58 PM
3
GCF.notebook
August 24, 2016
Ming has 15 quarters, 30 dimes, and 48 nickels. He wants
to group the money so that each group has the same
number of each coin. What is the greastest number of
groups he can make?
How many of each coin will be in each group?
How much money will each group be worth?
Aug 21­12:59 PM
4
GCF.notebook
August 24, 2016
You made 63 wheat dinner rolls and 45 rye dinner rolls for a
family picnic. You want to make up plates of rolls to set on
the picnic tables. If each plate is to contain the same
amount of each type of roll, and there are no left over rolls,
what is the greatest number of plates that can be made?
Your cousin brings 54 sourdough dinner rolls to the family
picnic. What is the greatest number of plates that can be
made if each plate contains the same amount?
Aug 21­12:59 PM
5
GCF.notebook
August 24, 2016
Greatest Common Factor
8/24
Factor ­ a number that is multiplied by another to
yield a product
33:
Greatest common factor ­ The greatest
number that is a factor of two or more
numbers (FACTORS: few and fast)
60
75
Aug 22­3:13 PM
6
GCF.notebook
August 24, 2016
Aug 22­3:12 PM
7
GCF.notebook
August 24, 2016
Assignment: Greatest Common Factor Worksheet
Number Theory Quiz on Tuesday!
Aug 22­3:14 PM
8