Look closely to see if you can find D.C.’s error in his addition.
Lesson 202
Math
Kindergarten
Count animals to tell if Dotson made a Mystery Math Mistake when representing the number of animals using a 10-frame [...]
1st Grade
Represent 10 using a number bond and 10-frame to help solve a Mystery Math Mistake. Use Notice and Wonder with [...]
2nd Grade
Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One [...]
