**Lesson** | **Description** |

1-2 | Numbers and Number Sense |

1-3 | Numbers from 1 to 10 |

1-6 | One More and One Less |

1-7 | Recognize and Write Ordinal Numbers - First Through Tenth |

1-11 | Counting to 100 |

1-12 | Recognize and Identify a Dozen and a Half Dozen |

1-13 | Introduction to the Symbols > and < |

1-16 | One Less Than & One More Than |

1-18 | Counting Forward and Backward |

2-1 | Skip Counting by 5 and 10 |

2-2 | Even Numbers and Odd Numbers |

2-3 | Counting Between the Numbers 1 to 100 |

2-6 | Learn to Write Number Words |

2-21 | Identify a Dozen, a Half Dozen and Multiple Groups of Dozens |

2-26 | Additional Practice with Greater Than & Less Than |

2-58 | Ordinal Numbers Eleventh Through Ninetieth |

2-62 | Introduction to Roman Numerals I - XX |

2-67 | Counting to 1000 |

2-68 | Counting Between Hundreds |

2-72 | Comparing Three-Digit Numbers |

2-73 | Writing Three-Digit Numbers |

3-26 | Counting Between Thousands |

3-27 | Counting by Thousands |

3-28 | Introduction to Rounding to the Nearest Ten, Hundred, and Thousand |

3-31 | Greater Than and Less Than, in the Thousands Place Value |

3-32 | Ordinal Numbers, First Through One Hundred |

3-37 | Estimating the Sum |

3-38 | Estimating the Difference |

3-41 | Multiple Operations |

6-2 | The Symbols Greater Than or Equal To and Less Than or Equal To |