Subtracting Integers with Models

Do I have 3 negative to take away?

• Yes

• No

What do I need to do to be able to take away two negatives when their aren't any with what I started with?

• Just add two negatives

• Take away the positives

• add some zero pairs and then take away the negatives

How many counters were you left with? (be sure to indicate whether they were negative or positive).

What is your answer?

If I have what I need to subtract, do I need to add any zero pairs?

• Yes

• No

What pattern are you noticing in these problems?

Draw a numberline to represent this problem. Where did your arrow end?

Draw your number line and represent the problem. Where did your arrow end?

Draw your number line to represent the problem. Where do your arrows end?

Draw your number line and arrows to represent the problem. Where did you end?