Dyscalculia: News from the web:
Marilyn Burns shares with us her view on open number lines.
She brings up great reasons to try an approach with and open number line:
- An open number line reinforces the idea that the answer to a subtraction problem is the difference between two numbers.
- It supports using the inverse relationship between addition and subtraction by counting up instead of back.
- It engages students in decomposing numbers and reasoning.
- It provides a visual model that’s a useful tool.
Read all about it: HERE