Adding Integers with Models

Are there any zero pairs here?

• No, because there are only positive counters. 

• Yes, because there are both positive and negative counters.

How many of each color counter will she use to model this problem?

** remember, yellow is positive and red is negative **

• She will use 3 yellow counters and 5 red counters.

• She will use 2 red counters.

• She will use 8 yellow counters

• She will use 5 yellow counters and 3 red counters.

How many zero pairs did she create?

• 3

• 8

• 2

Which direction will she travel to show "plus 5"?

• to the left

• to the right

What is the answer to this problem?

• 6

• 2

What are the steps to solving on a number line?

• First, start at zero and move four places to the right. Then, move two places to the right.

• First, start at zero and move four places to the left. Then, move two places to the left.

• First, start at zero and move four places to the right. Then, move two places to the left.

• First, start at zero and move four places to the left. Then, move two places to the right.

What is the answer to this problem?

• 5

• -5