3.OA.A.1

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- 3.OA.A.1Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.
- 3.OA.A.2Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a context in which a number of shares or a number of groups can be expressed as 56 ÷ 8.
- 3.OA.A.3Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
- 3.OA.A.4Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?

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## 3.OA.A.1

## Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.

47 Lesson(s)

### Equal Groups on a Number Line

3rd Grade Math »
Unit: Understanding Multiplication

3rd Grade Math »
Unit: Understanding Multiplication

### The Story Of Multiplication Day 1

3rd Grade Math »
Unit: Understanding Multiplication

3rd Grade Math »
Unit: Understanding Multiplication

### X Represents Groups Of

3rd Grade Math »
Unit: Understanding Multiplication

3rd Grade Math »
Unit: Understanding Multiplication

### The Story of Multiplication Day 2

3rd Grade Math »
Unit: Understanding Multiplication

3rd Grade Math »
Unit: Understanding Multiplication

### Tubing Tens - Cool Off with an Imaginary River Adventure

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Naming Arrays

3rd Grade Math »
Unit: Understanding Multiplication

3rd Grade Math »
Unit: Understanding Multiplication

Big Idea:

#### After partners have worked with each other and have some practice creating arrays, it is time to challenge them to define the concept demonstrated by an array and how it can be used to solve problems.

Standards:

Favorites
(15)

Resources
(16)

Reflections
(1)

### Math with Maples

3rd Grade Math »
Unit: Division in Context

3rd Grade Math »
Unit: Division in Context

### Arrays Focusing On Rows and Columns

3rd Grade Math »
Unit: Multiplication 2

3rd Grade Math »
Unit: Multiplication 2

### Tubing Tens - Create a Story

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Fun with Four: Decomposing to Known Factors of 1, 2, and 5

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Variables

3rd Grade Math »
Unit: Understanding Multiplication

3rd Grade Math »
Unit: Understanding Multiplication

### African Amphibians - Review Multiplying by Ones & Twos While Learning Fun Facts About Frogs

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### The Multiplication and Division Connection

3rd Grade Math »
Unit: Sharing Equally with Division

3rd Grade Math »
Unit: Sharing Equally with Division

### Multiplication Models and Structure

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Multiply and Divide by 10

3rd Grade Math »
Unit: Fluency to Automoticity

3rd Grade Math »
Unit: Fluency to Automoticity

Big Idea:

#### Counting by 10's is easy for students of this age. Knowing that base 10 can be used to help multiply and divide in the higher numbers by decomposing is critical. This lesson sets the base for future work.

Favorites
(4)

Resources
(12)

Reflections
(1)

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HS Algebra

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