Math Mysteries
Abracus needs your help to figure out where the error is in his addition problem!
Lesson 201
Math
2nd Grade
Warm up with a Mystery Math Mistake to hunt for the mistake in adding two 2-digit numbers using a decomposition [...]
Lesson 202
See if you can figure out where D.C.'s mistake is.
Kindergarten
Count animals to tell if Dotson made a Mystery Math Mistake when representing the number of animals using a 10-frame [...]