Session 4 Videos

Welcome back

Building Blocks towards Fluency with Multiplication

Did You Catch It?

At around 3:35 of the video, Craig tries to represent doubling and halving by referencing the associative property. Unfortunately, he doesn’t quite nail the number sentence that represents the diagram (and Moses was apparently of no help! :)

What number sentence should he have written to more accurately reflect the associative property that sits underneath this strategy? He appreciates your help! You can offer your advice in Section 4.2a in your digital handout.

Mental Strategies for Division

The Standard Multiplication Algorithm

The Standard Division Algorithm(s)

Ma and Pa Kettle working through an algorithm