Multiplication
Arrays
Division
Vocabulary
Multiples
100
Erika had 4 puppies. She gives 7 treats to each puppy. How many treats does she have in all?
28
100
Which multiplication fact does this array show?
5 x 4 = 20
OR
4 x 5 = 20
100
John has 20 stickers. He wants to share them equally between 5 people. How many stickers will each person get?
Each person will get 4 stickers.
100
Factor
Factors are the numbers in a multiplication or division fact which show the number of groups and the number in each group.
For example, in the equation 6 x 5 = 30, 6 and 5 are the factors.
In this similar division equation, 6 and 5 are still the factors.
30 div 6 = 5
100
The multiples of 5 always end in which numbers?
0 or 5
5, 10, 15, 20, 25, 30......
200
Lance bought 6 packets of gum. Each packet has 6 pieces in it. How many pieces of gum does he have in all?
36
200
How many squares are in the following array?
60
6 rows, 10 in each row.
6 x 10 = 60
200
Jason buys 12 candies to split between his kids. He has exactly enough to give 4 pieces of candy to each kid. How many kids does he have?
He has 3 kids.
200
Product
The product is the total number in a multiplication fact.
In the example 6 x 5 = 30, the product is 30.
200
The multiples of 10 all end in which number?
0
10, 20, 30, 40, 50, 60, etc.
300
There are 9 innings in a baseball game. How many innings are there in 7 games?
63 innings
300
Odeline wants to tile her patio. Tiles come in 1 ft. by 1 ft. sections. The patio is 8 feet long by 7 feet wide. How many tiles will she need to cover her entire patio?
She will need 56 tiles to cover her patio. (56 square feet)
300
What is
48 div 6?
8
300
Multiple
A number that can be divided evenly by a given factor.
5, 10, 15, 20, 25 are all multiples of 5, because they can be divided by 5 without any left over.
2, 4, 6, 8, 10, 12 are all multiples of 2 because 2 goes into each of these numbers evenly.
300
What is true of all the multiples of 2?
They are all even numbers
2, 4, 6, 8, 10, 12, 14, etc.
400
Vaughn's mother, aunt, and grandmother and sister all gave birth to quintuplets.
How many quintuplets are there in his family?
20
400
How many different ways can you show the number 30 using an array?
8!
400
What is
72 div 8
9
400
Quotient
The missing factor in a division problem. The quotient is the factor you are trying to find--the answer to the division problem.
In the example
30 div 6 = 5
5 is the quotient.
400
True or false:
The multiples of 3 all end in odd numbers.
False.
3, 6, 9, 12, 15, 18...
500
What is 12 x 9?
108
500
There are 39 squares in all. How many are covered?
There are 24 squares covered.
500
Sandy has 42 cupcakes to divide in to 6 groups. Which of the following equations could she use to how she could figure out how many cupcakes to put in each group?
6 times 42 = ?
6 times ? = 42
42 times 6 = ?
42 div 6 = ?
6 x ? = 42 and
42 div 6 = ?
500
Dimension
The side lengths of an array. The dimensions are the factors which make up the product (the number of rows, and the number in each row).
For example, in this array, the dimensions are 6 and 5.
500
True or False:
The multiples of even numbers always end in an even number.
TRUE!
All even numbers will go evenly ONLY into other even numbers.