Distributive Property
7x3
(4x3) _ (3x3)
The operation in the middle is...
+
We add the two parts together
What is the commutative property?
When you change the order the factors are in but get the same answer!
What do we use to show the first two factors we are multiplying?
PARENTHESES
(__)
List the strategies for solving a multiplication problem
Array
Repeated Addition
Equal Groups
Skip Counting
Break Apart
1x11
Fill in the blank
5x6
(5x3) + (5x___)
3
6x8=8x_
What is the factor that belongs in the blank
6
Solve 2x3x4
USE PARENTHESES!
24
Write the equation for this array
X X X X X X
X X X X X X
X X X X X X
X X X X X X
4x6
ROWS x COLUMNS
3x3
9
Break apart the 8 in this problem and solve
8x3
Answer: 24
4x70
How do we break apart our ten?
What is the answer?
4x7x10
280
solve 3x5x1
USE PARENTHESES!
15
There are 5 groups of 6 people running on the track. Each person runs 2 miles. How many miles did they run in all?
They ran 60 miles
5x8
40
True or False
7x8 can be solved through this equation:
(7x4) x (7x4)
FALSE
5x80
How do we solve by BREAKING APART OUR TEN?!?
5x8x10
Solve 6x7x2
USE PARENTHESES!
84
Jenna has 7 boxes. She puts 8 textbooks in each box to mail to her friends for their studies. How many textbooks did Jenna mail out?
Jenna mailed 56 textbooks
6x7
42
Solve using the distributive property
9x6
(5x6) + (4x6) = 54
7x90
Break apart our tens to solve?
90x7=?
7x9x10
OR 10x9x7
Solution: 630
Solve 8x5x4
USE PARENTHESES!
160
Friday - 3 home runs
Saturday - 3 home runs
Sunday - 3 home runs
How many homes runs did Robert score during this tournament?
3x3 = 9
Robert scored 9 home runs
9x9
81