SKIP TO CONTENT
or
You can use integer counters to model
2
1
.
Start with 2 negative counters.
Then take away 1 positive counter. You'll need to first add zero pairs until you have 1 positive counter to take away.
Subtract.
2
1
ref_doc_title.

Confetti

Jumping to level 1 of 1

Excellent!

Now entering the Challenge Zone—are you ready?

Teacher tools