## Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

56 Lesson(s)

### Domino Addition: Understanding the Part/Part/Whole Relationship

Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (22)

Resources (20)

Reflections (1)

### The Neighbors of Doubles

Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (33)

Resources (14)

Reflections (1)

### Making a Ten

Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (17)

Resources (15)

Reflections (1)

### Thinking Addition Facts to 18 to Subtract

2nd Grade Math » Unit: The Action of Subtraction
2nd Grade Math » Unit: The Action of Subtraction
Pepperell, MA
Environment: Rural

Big Idea:

#### Students apply their understanding of addition to solve related subtraction problems.

Standards:

Favorites (13)

Resources (13)

Reflections (1)

2nd Grade Math » Unit: The Action of Subtraction
2nd Grade Math » Unit: The Action of Subtraction
Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (14)

Resources (11)

Reflections (1)

### 10 More and 10 Less

2nd Grade Math » Unit: Each Number Has a Place
2nd Grade Math » Unit: Each Number Has a Place
Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (23)

Resources (16)

Reflections (1)

### Double Trouble

Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (8)

Resources (14)

Reflections (1)

### Subtracting Doubles

2nd Grade Math » Unit: The Action of Subtraction
2nd Grade Math » Unit: The Action of Subtraction
Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (8)

Resources (16)

Reflections (1)

### Go Fishing for a Ten

Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (15)

Resources (12)

Reflections (1)

### Make a Ten, Subtraction Style

2nd Grade Math » Unit: The Action of Subtraction
2nd Grade Math » Unit: The Action of Subtraction
Pepperell, MA
Environment: Rural

Big Idea:

#### The big idea of this lesson is that some subtraction facts can be solved by subtracting from the larger number an amount to get ten and then subtracting the remaining amount.

Standards:

Favorites (6)

Resources (16)

Reflections (1)

2nd Grade Math » Unit: The Action of Subtraction
2nd Grade Math » Unit: The Action of Subtraction
Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (7)

Resources (14)

Reflections (1)

### More Than Two Numbers

Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (10)

Resources (12)

Reflections (1)

### Sets of Things

York, ME
Environment: Suburban

Big Idea:

Standards:

Favorites (2)

Resources (12)

Reflections (1)

### Go Fishing for Doubles

Pepperell, MA
Environment: Rural

Big Idea:

#### Students play a favorite card game which practices the quick and accurate recall of double facts.

Standards:

Favorites (12)

Resources (11)

Reflections (1)

Pepperell, MA
Environment: Rural

Big Idea:

Standards:

Favorites (7)

Resources (16)

Reflections (1)
Common Core Math