Vocabulary
What is the answer to a multiplication problem?
Product
5 x 9
45
81 divided by 9 =
9
Mrs Signes bought packages of 24 cups and put 3 pieces of candy in each cup. How many packages did she buy?
BONUS: Is this Multiplication or Division?
8 packages
Division
7x___=63
9
What are the numbers called that you multiply together?
Factors
7 x 7
49
36 divided by 3 =
12
Mrs Pike sold 9 cups of lemonade for $2.00 a cup. How much money did she make?
Is this Multiplication or Division?
$18.00
Multiplication
60÷ ___ =12
5
What is the answer to a division problem?
Quotient
8 x 4
32
120 divided by 12=
10
Mr P worked for 12 days and worked a total of 144 hours. How many hours did he work each day?
Is this Multiplication or Division?
12 hours
Division
8 x ___ = 32
4
True or False: Division is the inverse(opposite) operation of multiplication.
True.
9 x 6
54
9 divided by 3 =
3
Mariah has some books. She can stack them equally into 6 stacks. She can also stack them equally into stacks of 8. Mariah has fewer than 60 books in all.
• How many books could she have?
• Mariah wants to pack all her books equally into packs of 12. What is the greatest possible number of packs she could have?
Multiplication table of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60 Multiplication table of 8: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80 She could have 24 or 48 books. 48 ÷ 12 = 4 The greatest possible is 4.
___÷ 6=6
36
What is it called when you switch around the factors and get the same product?
The communitive property of multiplication
11x11
121
600 divided by 6 =
100
Kyle has to arrange 42 colored balls equally onto 7 racks. He says, “Each rack will have 35 colored balls because addition is the opposite of division and 7 + 35 = 42.”
Identify the incorrect reasoning in Kyle’s statement.
Kyle’s reasoning is incorrect because to divide 42 by 7, I need to know what number when multiplied by 7 gives 42. 42 ÷ 7 = 6
110÷___= 10
11