Look closely to see if you can find D.C.’s error in his addition.
Lesson 201
Math
Kindergarten
Count birds to tell if Dotson made a Mystery Math Mistake when representing the number of birds using a 10-frame [...]
1st Grade
Represent 8 using a number bond and 10-frame to help solve a Mystery Math Mistake. Use Notice and Wonder to [...]
2nd Grade
Warm up with a Mystery Math Mistake to hunt for the mistake in adding two 2-digit numbers using a decomposition [...]
