Puzzle Sheets
Answer Key
Cookie Monster needs your help finding out who took his cookies! We’re asking our youngest math detectives to solve math puzzles to rule out suspects.
Lesson 201
Math
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 [...]
3rd Grade
Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One [...]