Why Subtraction With Borrowing is Bad

Why Subtraction With Borrowing is Bad

Inside the Build Math Minds Facebook group, we had a post last month asking for a way to teach subtraction with borrowing to a 2nd grader. I’m Christina Tondevold, The Recovering Traditionalist, and today we are going to take a look at Why Subtraction With Borrowing...
Evaluating Math Manipulatives

Evaluating Math Manipulatives

I got a message the other day asking me my thoughts on the math manipulative called Numicon. Now, I’ve never actually used that particular math manipulative, but it got me thinking about what I would look at while I was using it to decide if I thought it was a...