Missing Addends: Finding a Missing Part for Kids

The video tutorial introduces the part-part-whole model, explaining how it helps solve problems by identifying known and unknown parts. It uses a balloon-themed word problem to demonstrate the model, showing both addition and subtraction methods to find missing parts. A practice problem is provided for viewers to try independently, followed by a review of the concepts and encouragement to continue practicing.

What was the missing part in the problem about the little sister's balloons?

How can you find the missing part when you know the whole and one part?