Common Core
PK.MD.2
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Pre-K Math · Chapter 4 · Lesson 1
Putting the same ones together.
Pre-K Math · Chapter 4 · Lesson 2
More ways to make groups.
Pre-K Math · Chapter 4 · Lesson 3
Comparing your piles.