## Develop Addition Concepts

Lesson 1 - Addition Stories | I will use counters to model addition stories. |

Lesson 2 - Modeling Addition | I will model adding by joining two groups. |

Lesson 3 - Addition Sentences | I will write addition sentences using + and =. |

Lesson 4 - Adding Zero | I will find sums by adding zero. |

Lesson 5 - Problem-Solving Strategy: Act It Out | I will act it out to solve a problem. |

Lesson 6 - Ways to Make 4, 5, and 6 | I will use counters to model sums of 4, 5, and 6. |

Lesson 7 - Ways to Make 7, 8, and 9 | I will use counters to model sums of 7, 8, and 9. |

Lesson 8 - Ways to Make 10, 11, and 12 | I will use a ten frame and counters to model sums of 10, 11, and 12. |

Lesson 9 - Problem-Solving Investigation: Choose a Strategy | I will choose a strategy to solve a problem. |

Lesson 10 - Add Across and Down | I will add across and add down. |

Study Guide and Review | |