Related Lessons
Lesson 205
Warm up with a Mystery Math Mistake to figure out what went wrong when adding two 3-digit numbers. Subtract within 1,000 using a number line and compensation and decompose strategies.
Lesson 205
Join Mrs. Gray for a Mystery Math Mistake. Dotson needs your help with building one more.
Lesson 205
Mrs. Markavich and Value Pak need your help to decompose numbers by place value in their number bonds.