Proper Properties
If this equation uses the Zero Property of Multiplication, what are the missing numbers?
8 x ___ = ___
8 x 0 = 0
Missing factors: 0
Count by 7s to fill in the blanks.
7, 14, ___, 28, ___, ____, 49.
7, 14, 21, 28, 35, 42, 49.
Count by 8s to fill in the blanks.
8, 16, ___, 32, ___, ____, 56.
8, 16, 24, 32, 40, 48, 56.
9 x 3 =
27
6 x 4 = ?
6 x 4 =24
Use the identity property so solve 10 x 1 = ?
10
3 groups of 8
4 x 8 = __ x 4
What is the missing number?
8
(1 x 9 ) x 9 =
81
9 x 2 = ?
18
Give one way to complete this equation.
9 x 6 = ( ___ +___) x ___
9 x 6 = ( 4 +5) x 6
9 x 6 = ( 3 +6) x 6
9 x 6 = ( 4 +2) x 9
9 x 6 = ( 3 +3) x 9
How many do you have if you have eight 7s?
56
Write two factors to complete the equation. __ x __ = 24
Possible answers:
3 x 8 =
2 x 12=
6 x 4 =
(4 + 4) x 9 =
72
DAILY DOUBLE!
PART 1
Is this equation correct? (3 + 3) X 7 = 7 X (4 + 2)
PART 2
What is the product of both sides of the equal sign?
GET BOTH PARTS CORRECT, SCORE 600 POINTS!
PART 1
Yest
PART 2
42
Associative Property
What is another way to group the factors in this equation?
(2 x 5) x 7 = 2 x 5 x 7
Possible answers:
(2 x 5) x 7 = 2 x (5 x 7)
(2 x 5) x 7 = (2 x 7) x 5 You could move factors.
7 x (6 + 3)=
63
(4+4) x 5 =
40
(5 x 9) + (5 x 9) = ?
90
5 x 5 = ?
5 x 5 = 25
Draw a 6x4 array and draw a vertical line to break the array in half. 6 x 4 = (__ x 4) + (__ x 4) Use the distributive property to help you find the unknown factors.
6 x 4 = (3 x 4) + (3 x 4)
Unknown factor is 3.
Mr. Muhammed put the class into three rows of seven. How many students are in his gym class?
7 x 3 = 21 students
For Mrs. M's art project, she needs buttons in 3 rows of 8. How many buttons does she need?
8 x 3 = 24 buttons
At the Halloween Drive Thru, there were nine groups of teachers giving out treats. If there were 5 teachers in each group, how many teachers were giving out treats altogether?
9 x 5 = 45 teachers
3 x 5 =
5 x 3 = 15