What is the Time? It Depends…

What is the Time? It Depends…

Q: What is the fastest way to get a heated debate going about some topic in the IM 6–-8 math curriculum? A: Show people this graph from Lesson 4 in Unit 8.5: By Kristin Umland Many of us learned that time is always the independent variable, and should therefore always...
What I Learned Today: Scale Drawings & Maps

What I Learned Today: Scale Drawings & Maps

I asked my 15-year-old what she learned today at school. She paused for a moment and then answered,  “What did you learn at school today?” It took me a while to think about what I had learned (which will make me more patient when I ask her again tomorrow), and then I...
Giveing Tuedsday Heart

Support Free Math Instruction for All Learners

As a nonprofit, we rely on the support of our generous community. Each contribution allows us to reach more classrooms, develop new educational materials, and create opportunities that inspire curiosity and a love for learning.