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 204
Math
1st Grade
Represent a teen number using a number bond to solve a Mystery Math Mistake. Use Notice and Wonder with a [...]
2nd Grade
Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through creating [...]
3rd Grade
Warm up with a Mystery Math Mistake as you add two 3-digit numbers using a partial sums strategy. Use a [...]