Abracus needs your help to figure out where the error is in his addition problem!
Lesson 205
Math
3rd Grade
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.
Kindergarten
Join Mrs. Gray for a Mystery Math Mistake. Dotson needs your help with building one more.
1st Grade
Mrs. Markavich and Value Pak need your help to decompose numbers by place value in their number bonds.