Can you find an error in Springling’s open number line she used to subtract?
Lesson 208
Math
Kindergarten
Join Mrs. Gray for a Mystery Math Mistake. Dotson needs your help with making sure all of his ten frames are less than his focus number.
1st Grade
Look closely to see if you can find D.C.'s error in his addition.
3rd Grade
Join Mrs. Ignagni for a Mystery Math Mistake with her friend Springling. Can you figure out where she went wrong on her open number line?
