Lesson | Characteristics of Algebraic Reasoning |

Lesson 1: 9 + 4 | - Using algebraic expressions to represent addition situation and posing situation to represent given expressions - Constructing and using a tool to find problem results more easily - Extending solutions to another domain of number |

Lesson 2: 8 + 3 | - Extending solutions to another domain of number |

Lesson 3: How many eggs? (3 + 9) | - Constructing and using a tool to find problem results more easily - Using algebraic expressions to represent addition situation and posing situation to represent given expressions |

Lesson 4: 8 + 6 | - Using various representation to justify their ways of thinking |

Lesson 5: Magic Flowers | - Reasoning about relations among numbers |

Lesson 6: Story telling about addition | - Using algebraic expressions to represent addition situation and posing situation to represent given expressions |

Lesson 7: Story telling about 7 + 8 | - Constructing and using a tool to find problem results more easily - Constructing and using a tool to find problem results more easily |

Lesson 8: Addition cards | - Reasoning about relations among numbers |

Lesson 9: Playing addition cards | - Reasoning about relations among numbers |