Factors
Which number is a factor of 24? 12, 9, 5, 7
12
Find the first 5 multiples of 6.
6, 12, 18, 24, 30
Identify the following number as prime or composite. 45
45 is a composite number.
Examine the number pattern. 14, 17, 16, 19, 18, *What rule does this pattern follow?
Rule: Add 3, Subtract 1
Create an expression that will help you to solve this problem. Sandra's turtle is four times as long as her pet beetle. If Sandra's turtle is 12 centimeters long, how long is her pet beetle?
Sandra's pet beetle is 3 centimeters long.
Which number is NOT a factor of 30? 5, 1, 8, 6
8
Find the first 5 multiples of 5.
Multiples of 5: 5, 10, 15, 20, 25
Identify the following number as prime or composite. 23
23 is a prime number.
Examine the number pattern. 14, 17, 16, 19, 18, *Write the next three numbers in the pattern.
Next three numbers: 21, 20, 23
It costs $2 for a small box of crayons at the store. It costs $10 for a large pack of markers at the store. How much will tens boxes of crayons and ten boxes of markers cost altogether?
2 x 10 = 20
10 x 10 = 100
100 + 20 = 120
Which number is a factor of 10? 20, 12, 5, 3
5
Which is a list of multiples of 9?
A) 9, 18, 28, 39 B) 9, 18, 27, 36
B) 9, 18, 27, 36
Identify the following number as prime or composite. 13
13 is a prime number.
Examine the number pattern. 14, 17, 16, 19, 18, *If the pattern continues, what will be the 10th number in the pattern?
The 10th number will be 25.
Solve the problem. In an 8th grade classroom, there were 124 books at the beginning of the year in the classroom library. In September, 26 were checked out, but only 14 were returned at the end of the month. How many books are still in the classroom library at the end of the month?
112 books were in the classroom library at the end of the month.
Which number is NOT a factor of 36? 12, 6, 4, 8
8
Find the first 10 multiples of 4.
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
Identify the following number as prime or composite. 28
28 is a composite number.
Examine the number pattern. 27, 22, 24, 19, 21 . . . *What rule does this pattern follow? *Write the next three numbers in the pattern. ____, ____, ____
Rule: Subtract 5, Add 2 Next three numbers: 16, 18, 13
Johnny made 37 cookies for his birthday party. His little brother ate 8 cookies before the birthday party even started. Johnny's mom made 20 more cookies to make Johnny stop crying. How many cookies did Johnny have when his birthday party began?
He had 49 cookies when his birthday party began.
List ALL of the factors of 24.
1, 2, 3, 4, 6, 8, 12, 24
Which is a list of multiples of 8?
A) 8, 16, 26, 32 B) 16, 24, 32, 40
B) 16, 24, 32, 40
Identify the following number as prime or composite. 33
33 is a composite number.
Examine the number pattern. 27, 22, 24, 19, 21 . . . *If the pattern continues, what will be the 10th number in the sequence? _____
The 10th number would be 10.
Howard decided to take all of his blocks and build a tall tower in his bedroom. He started with 30 blocks. While building, he found 28 more blocks under his bed. He put these blocks on top of the original blocks and continued to build his tower. His dog came in and knocked down 14 of the blocks on his tower. How many blocks remained standing?
44 blocks remained standing.