Factors
What number is a factor for every number? *think of what number we always start with when we list the factors of a number.
1
How do you know 5, 10, 15, 20, 25, 30, 35, 40 are all multiples of 5?
They have to end in 5 or 0
same/equal
equivalent
There are 4 plates with 3 cookies on each plate. How many cookies are there?
12
There are 3 equal groups with 4 objects in each group. What multiplication equation represents the groups?
3x4=12
Find the factors of the number 8
1,3,9
What is the missing factor?
1, 2, 3, 6, 12, 18, _____
36
parallel to the horizon
horizontal
There are 3 rows of chairs with 6 chairs in each row. How many chairs are there?
18
An array has 3 rows with 4 stars in each row. Write a multiplication equation.
3x4=12
Find the factors of the number 16.
1,2,4,8,16
Which of the following numbers are factors of 90?
a)30 b)12 c)10 d)45 e)50
30,10,45
the smaller is subtracted from the larger
difference
Mia has 4 bags. Each bag has 5 marbles. Write an equation and solve.
4x5=20
There are 6 bags with 2 apples in each bag. Write a multiplication equation and solve.
6x2=12
In the multiplication problem, 8 x 9 = 72, What are the factors?
8, 9
Which choice is not a factor of 72? A. 18 B. 12 C. 17 D. 72
17
separates whole number from fractions
decimal
A teacher has 6 boxes. Each box contains 4 pencils. write an equation, and solve.
6x4=24
A teacher puts 24 pencils into 6 equal groups. Draw an array, write a multiplication equation
6x4=24
What factors multiplied create the product 63?
9,7; 3,21; 1,63;
) Which choice is not a factor of 87? A. 87 B. 3 C. 15 D. 29
15
a polygon with 4 angles and 4 sides
quadrilateral
Mrs. Masters has 21 sheets of red construction paper. She wants to give each student 3 pieces. How many pieces will each student get?
7
There are 5 baskets with 2 apples in each basket. write an equation to solve the problem.
2x5=10