[cheerful upbeat music] ♪ HELLO, FRIENDS, AND WELCOME TO CLASSROOM CONNECTION. I'M MR. R., AND I AM SO GLAD YOU'RE HERE WITH US. THIS IS A SPECIAL PLACE WHERE TEACHERS AND STUDENTS GET TO TALK ABOUT ...

Measure your hand. Create and use a line plot of hand span data to answer questions. Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Notice ...