205 – Subtract within 1000

Grade:

3rd

CCSS:

3.NBT.2

Math Concepts:

Subtraction

Episode:

205

SMP:

MP #3, MP #4, MP #6, MP #7, MP #8

Description:

Join Mrs. Ignagni for a Mystery Math Mistake with T-Pops. See if you can be a detective and figure out what step T-Pops forgot in the traditional method! Next we are brining out ALL of subtraction Math Mights to help us learning different strategies to solve subtrvtion problems within 1000. Springling will show off how to use an open number line, Minnin & Subbi will explain the subtraction stragtegy compensation through shifting the number line, D.C. will show us how to decompose numbers by renaming them, then we will show how T-Pops strategy relates to what D.C. is showing us! You won’t want to miss having all of these great strategies to subtract with! Do you have a favorite?

Digital Resources/Products:

Manipulatives: