AP3 Math will be on Wednesday, 5/26 and Thursday, 5/27. Remote students will test ONLINE--not at school. Thank you for your flexibility and integrity!

Chapter 3

3.1 Count Equal Groups

Equal groups: have the same number of objects in each group.

3.2 Relate Addition and Multiplication

The factors are the numbers multiplied.

The product is the answer to a multiplication problem.

Multiply: combine equal groups to find how many in all.

3.3 Skip Count on a Number Line

3.5 Model WIth Array

You make an array by placing the same number of tiles in each row. Make an array with 2 rows of 10 tiles .

3.6 Commutative Property of Multiplication

The Commutative Property of Multiplication states that when you change the order of the factors, the product stays the same. You can think of it as the Order Property of Multiplication.

3.7 Multiply with 0 and 1

The Identity Property of Multiplication states that the product of any number and 1 is that number.

7 × 1 = 7 6 × 1 = 6

1 × 7 = 7 1 × 6 = 6

The Zero Property of Multiplication states that the product of zero and any number is zero.

0 × 5 = 0 0 × 8 = 0

5 × 0 = 0 8 × 0 = 0

3.4 Model multiplication

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