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

- 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

Lesson 8: Addition cards

- Reasoning about relations among numbers

Lesson 9: Playing addition cards

- Reasoning about relations among numbers