Counting Back to Subtract Video
It’s time to watch a video about counting back.
Goal:
Goal:
Learn!
Goal: Understand the counting-back strategy.
Just like you, this student is learning how to count back. Let’s watch the student learn the counting-back strategy, and try subtracting along with them!
Question
The student noticed something about the counters left over and the numbers they said to count back. What did the student notice?
The student noticed that the number of counters left over was the same as the last number they said when counting back!