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Lesson Plans and Worksheets for Grade 4

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 4

Common Core For Grade 4

Videos, examples, solutions, and lessons to help Grade 4 students learn to apply the area and perimeter formulas for rectangles in real world and mathematical problems.

For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

Common Core: 4.MD.3

- I can explain the area and perimeter formula.
- I can use the formulas to solve problems.

**Finding Perimeter & Unknown Measure (4.MD.3)**

- Mr. Myers is planning to make a flower garden outside our classroom window. He wants the garden to be 16 feet long and 3 feet wide. If he decides to fence in this flower garden, how much fencing would Mr. Myers need?
- An outdoor deck is 7 feet wide. The perimeter of the deck is 64 feet. What is the length of the deck?
- Fred has 30 yards of border for his rectangular bulletin board. The bulletin board is 6 yards long. How wide is Fred’s bulletin board?

**Area Formula for Square or Rectangle**

**Perimeter and Area of Squares and Rectangles**

• Definitions of perimeter and area.

• How to find perimeter and area of squares and rectangles.

• Area formulas for squares and rectangles.

• Several examples narrated and explained.

• Each polygon or figure shown with square units.

**Missing Lengths Given Area or Perimeter - 4.MD.3**

In this video, students will learn to solve real world problems using the formulas for area and perimeter. This video relates to Common Core Standard 4.MD.3. Students learn to solve for a missing side given the perimeter or area.

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