Subtracting 0-20

The video tutorial introduces a clever dog named Teddy who helps with subtraction by digging up flowers. The narrator discovers patterns in subtraction and addition, realizing that knowing addition facts can simplify learning subtraction. By using inverse operations, the narrator demonstrates how to easily solve subtraction problems. The video concludes with a recap of key subtraction concepts and terms.

What did the teacher learn about the relationship between addition and subtraction?

What was the teacher's conclusion about learning subtraction facts?

What are some key words related to subtraction mentioned in the text?