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Lesson Plans and Worksheets for Grade 4

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Common Core For Grade 4

Videos, examples, solutions, and lessons to help Grade 4 students learn to multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.

Common Core: 4.NBT.5

### Suggested Learning Targets

**Multiplication by a 1-digit Number using the place value model**

**Multiplication using the Area Model (4.NBT.5)**

How can I use an area model to multiply?

1. Write the multi-digit factor in expanded form.

2. Draw a rectangular model.

3. Label the area model with its factors. (Use the addition symbol to divide the rectangle into separate areas).

4. Multiply the factors for each area.

5. Add the products from all the areas.**4.NBT.B.5 Multiplication- Standard Algorithm vs. Array Method**

The standard algorithm is how multiplication has been traditionally taught. The array method is how multiplication is often taught for Common Core.**Multiplication of a 2-digit Number by a 2-digit Number**
**4 nbt b 5**

The Common Core State Standards (CCSS) videos are designed to support states, schools, and teachers in the implementation of the CCSS. Each video is an audiovisual resource that focuses on one or more specific standards and usually includes examples/illustrations geared to enhancing understanding. The intent of each content-focused video is to clarify the meaning of the individual standard rather than to be a guide on how to teach each standard although the examples can be adapted for instructional use.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Lesson Plans and Worksheets for Grade 4

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 4

Common Core For Grade 4

Common Core: 4.NBT.5

- I can multiply a multi-digit number by a one-digit number.
- I can demonstrate multiplication of two two-digit numbers using rectangular arrays, place value, and the area model.

How can I use an area model to multiply?

1. Write the multi-digit factor in expanded form.

2. Draw a rectangular model.

3. Label the area model with its factors. (Use the addition symbol to divide the rectangle into separate areas).

4. Multiply the factors for each area.

5. Add the products from all the areas.

The standard algorithm is how multiplication has been traditionally taught. The array method is how multiplication is often taught for Common Core.

The Common Core State Standards (CCSS) videos are designed to support states, schools, and teachers in the implementation of the CCSS. Each video is an audiovisual resource that focuses on one or more specific standards and usually includes examples/illustrations geared to enhancing understanding. The intent of each content-focused video is to clarify the meaning of the individual standard rather than to be a guide on how to teach each standard although the examples can be adapted for instructional use.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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