Mrs. Marisa Oste » Home


Hi!  I'm Mrs Oste and welcome to my class!   The 2021-22 school year will be an exciting time filled with new challenges.  I'm ready to make this the best year yet!  Please contact me at [email protected]


Lesson 6

Showing a number two ways lays the foundations for subtraction with regrouping in second grade.  This is an important and challenging concept for first graders.  

Help for Homework Lesson 3.8

The Make a Ten strategy is very difficult for some students to think about. Use the provided work mat and counters.

Doubles +1

This video may help your child if they are struggling with Lessons 3.4 and 3.5 (Doubles +1 Doubles -1).