Thanks @patrick-kosal –I like the idea of reversing the number line (and the explanation of why) as well as the scale idea (in another post there). I think that makes it a lot clearer as opposed to just “that’s what happens!” even when I can prove it.
Get Tasks, Tips & Tools To Your Email!
MAKE MATH MOMENTS ACADEMY
A membership community aimed to accelerate your professional learning journey by supporting mathematics educators as they elevate their pedagogical practice and build their math content knowledge.