Lesson objective: Play a game to practice adding to a group within 5.

This lesson helps to build procedural knowledge with addition within 5. A number path is used here because it supports the concept that counting is directly connected to addition, especially when done within 5. This work develops students' understanding that addition can be understood as adding to a group.

Students engage in Mathematical Practice 1 (Make sense of problems and persevere in solving them) as they play a game and work to add to an exisiting group to reach a goal.

**Key vocabulary:**

- add to
- addition
- altogether

**Special materials needed:**

- 1-5 number spinner
- candy mountain
- counters/ game pieces
- game board
- in-class practice recording sheet