## Understanding Addition

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

Lesson 2 - Modeling Addition | I will add 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: Write a Number Sentence | I will write number sentences to solve problems. |

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

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

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

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

Lesson 10 - Vertical Addition | I will add across and down. |

Study Guide and Review | |