Multiples
List 5 multiples of 8
8, 16, 24, 32, 40...
List the factors of 16
1, 2, 4, 8, 16
Mr Evans delivers bread every 4 days. He delivers muffins every 10 days. Mr. Evanns delivers both bread and muffins today. How many days from today will Mr. Evans deliver bread and muffins again on the same day?
Bread: 4, 8, 12, 16, 20
Muffins: 10, 20
Multiple = 20.... 5th trip (so 5*4 = 20 days from now)
Why did the scarecrow win a prize?
He was out standing in his field!
If Joey scored 17 out of 20 points on his test. What percentage is that?
85%
List 5 multiples of 12
12, 24, 36, 48, 60...
List the factors of 27
1, 3, 9, 27
Lisa packs 24 notepads and 42 erasers in bags.
How many bags does Lisa pack and how many are in each?
Find factors of 24 and 42!
6 total bags
4 notepad, 7 erasers
Why did the tree want to find a new hobby?
It was getting tired of it's root-tine
What is 0.24 written as a fraction and a percent?
24/100 and 24%
What is the least common multiple of 8 and 12?
8, 16, 24, 32, 40
12, 24, 36, 48, 60
LCM = 24
What is the greatest common factor of 16 and 27
16: 1, 2, 4, 8, 16
27: 1, 3, 9, 27
Only number in both is 1!
Tyler receives a letter every 6 days. He receives a package every 8 days. Tyler receives both a letter and a package today. How many days from today will Tyler receive a letter and a package again on the same day?
6, 12, 18, 24
8, 16, 24
Common Multiple: 24... (4*6 = 24)
Why do birds fly south for the winter?
Because it's too far to walk!
20 total comic books
What is the least common multiple of 5 and 12?
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60
12, 24, 36, 48, 60
LCM = 60
What is the greatest common factor of 8 and 64?
8: 1, 2, 4, 8
64:, 1, 2, 4, 8, 16, 32, 64
GCF: 8
Sandy made 45 peanut butter dog treats and 75 chicken dog treats for the animal shelter. She wants to divide the treats so that they are all used, and that the same number of treats are in each baggie. What is the greatest number of baggies she can prepare? How many of each treat are in each baggie?
The leftover prime numbers of 3 for 45, and 5 for 75, tell us that each baggie will contain 3 peanut butter treats and 5 chicken treats.
Why does Humpty Dumpty love autumn so much?
Because Humpty Dumpty had a great fall!
You did awesome on your math homework and scored 97 out of 100 points. What is your percent?
97%
What is the least common multiple of 6 and 14?
6, 12, 18, 24, 30, 36, 42, 48
14, 28, 42
LCM = 42
What are common factors of 36 and 52?
36: 1, 2, 4, 6, 9, 18, 36
52: 1, 2, 4, 13, 26, 52
Common: 1, 2, 4
Kyle has two tarps that are 84 inches wide and 96 inches wide. He wants to cut them into strips of equal width that are as wide as possible. How wide should he cut the strips from each tarp?
84 factors
96 factors
Common: 12 inch widths
How do you fix a broken pumpkin?
With a pumpkin patch!
Write 2/100 as a decimal and a percent
0.02 and 2%