NOTES...

May 16, 2023

Today we focused on using Mathigon Polypad as a virtual manipulative that can be used with the Concrete-Representational-Abstract (CRA) framework. 

Perhaps counterintuitively, virtual manipulatives are considered CONCRETE tools.

We focused mostly on using Polypad to teach expressions and equations. Here is a quick video that captures this idea... 

 

February 7, 2023

 Today we focused a lot on understanding how to represent PERCENTAGES with pictures and tables. You all really liked the tables, so NEXT time we meet perhaps we can focus deeper on the pictures and tape diagrams.

Finding the percent [worksheet]
How do we explain how to convert \frac{5}{8} into a percent? Give students a tape diagram and ask them to use problem solving. They will see that "5 out of 8" is 62.5%.


 

Find the whole [worksheet]

 

Find the part [worksheet]


 

 

 

October 25, 2022

Objective: Deepen our understanding of CRA Approach

At a veterinarian hospital, there are 2 cats for every 5 dogs. There are 27 more dogs than cats at the vet. How many animals are there altogether? (There are only cats and dogs at this vet.)



Last modified: Wednesday, 17 May 2023, 5:13 PM