Basic Multiplication and Division
9 x 8
72
Draw an array to represent 4 x 4
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Show repeated subtraction to represent 14 / 7
14 - 7 = 7
7 - 7 = 0
=2
Provide an example of the ones property in division.
student choice
Identify the factors of 16
1, 2, 4, 8, 16
20 / 4
5
Draw an array to represent 7 x 3
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15 / 3
15 - 3 = 12
12 - 3 = 9
9 - 3 = 6
6 - 3 = 3
3 - 3 = 0
= 5
Provide an example of the identity property of multiplication.
student choice
The first 5 multiples of 8 are:
8, 16, 24, 32, 40
12 x 8
96
Draw an array to represent 9 x 5
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28 / 7
28 - 7 = 21
21 - 7 = 14
14 - 7 = 7
7 - 7 = 0
=4
Identify the following property:
7 x 6 = 6 x 7
Commutative Property
Elvin walks his dog 4 times per day. How many times does he walk his dog in one week? Show the multiples of 4 to show how many times he walks his dog in 9, 10, and 11 days.
28 times in one week ; 36 times in 9 days ; 40 times in 10 days ; 44 times in 11 days
60 / 5
12
Mr. Lubatkin has 12 cookies which is twice as many as Ms. Lee. Draw a bar diagram to represent how many cookies Ms. Lee has.
6 cookies
Karen is making 30 cupcakes for 6 of her friends. Use repeated subtraction to show how many cupcakes her friends each get.
30 - 6 = 24
24 - 6 = 18
18 - 6 = 12
12 - 6 = 6
6- 6 = 0
=5
Solve and identify the property:
20 / ? = 1
20 - ones property of division
True or false: 60 is a multiple of 4
True: 60 / 4 = 15
14 x 7
98
Draw a bar diagram to represent 5 times as much money as $10
$50
24 - 3 = 21
21 - 3 = 18
18 - 3 = 15
15 - 3 = 12
12 - 3 = 9
9 - 3 = 6
6 - 3 = 3
3 - 3 = 0
=8
Julian's pet goldfish eats 2 times every day. How many times will he eat in 3 weeks? Use the associative property.
(2 x 7) x 3 = 14 x 3 = 42
Emily wants to arrange 36 pencils in rows and columns. How many ways can she arrange her pencils?
1, 2, 3, 4, 6, 9, 12, 18, 36 = 9 ways