## 3.OA.C.7

## Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.

48 Lesson(s)

### Exploring the Idea of Division

3rd Grade Math »
Unit: Introduction to Basic Division

3rd Grade Math »
Unit: Introduction to Basic Division

Big Idea:

#### The cognitive dissonance experienced when encountering novel, out of level division problems will lead to more deeply internalized understanding of the basic concepts of division to be mastered at the 3rd grade level.

Favorites
(14)

Resources
(12)

Reflections
(1)

### Designs with Nines: Patterns in Multiplication and Division (Day 2)

3rd Grade Math »
Unit: Introduction to Basic Division

3rd Grade Math »
Unit: Introduction to Basic Division

### Open Number Line - Decomposed Factors

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Open Number Lines - Just the Basics

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Quotients - Just the Basics

3rd Grade Math »
Unit: Introduction to Basic Division

3rd Grade Math »
Unit: Introduction to Basic Division

Big Idea:

#### Just like multiplication, addition, and subtraction, division problems involve patterns and there are methodical ways in which manipulatives can be used to solve division problems with small dividends and divisors of 1 through 10.

Favorites
(14)

Resources
(18)

Reflections
(1)

### It's As Basic As That

3rd Grade Math »
Unit: Understanding Multiplication

3rd Grade Math »
Unit: Understanding Multiplication

### The Multiplication and Division Connection

3rd Grade Math »
Unit: Sharing Equally with Division

3rd Grade Math »
Unit: Sharing Equally with Division

### Big Groups and Big Products

3rd Grade Math »
Unit: 2-Digit by 1-Digit Multiplication

3rd Grade Math »
Unit: 2-Digit by 1-Digit Multiplication

### Building A Division Model

3rd Grade Math »
Unit: Sharing Equally with Division

3rd Grade Math »
Unit: Sharing Equally with Division

### Division Models to Solve Problems

3rd Grade Math »
Unit: Sharing Equally with Division

3rd Grade Math »
Unit: Sharing Equally with Division

### Discovering Relationships: Multiplication & Division (1 of 2)

3rd Grade Math »
Unit: The Relationship Between Multiplication and Division

3rd Grade Math »
Unit: The Relationship Between Multiplication and Division

### Using the Multiplication and Division Relationship to Solve

3rd Grade Math »
Unit: Sharing Equally with Division

3rd Grade Math »
Unit: Sharing Equally with Division

### Multiplication Fact Building With Dice

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Creating Word Problems With Division

3rd Grade Math »
Unit: Sharing Equally with Division

3rd Grade Math »
Unit: Sharing Equally with Division

### Multiplying by 9

3rd Grade Math »
Unit: Fluency to Automoticity

3rd Grade Math »
Unit: Fluency to Automoticity

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