Students practice addition and subtraction problems without regrouping. In this lesson, students practice addition and subtraction problems without regrouping using base-10 block manipulatives and ...

[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 ...