Geometric Measurement: Understanding Concepts of Area and Relating Area to Multiplication and to Addition

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3rd Grade Math › Geometric Measurement: Understanding Concepts of Area and Relating Area to Multiplication and to Addition

Questions 1 - 10
1

What is the area of the rectangle?

11x3

Explanation

We can find the area by counting the squares within the rectangle. There are squares.

We can also multiply the length and the width to find the area.

*Area is the number of square units inside a shape, which is why area is always written with square units.

2

What is the area of the rectangle?

11x2

Explanation

We can find the area by counting the squares within the rectangle. There are squares.

We can also multiply the length and the width to find the area.

*Area is the number of square units inside a shape, which is why area is always written with square units.

3

What is the area of the rectangle?

11x1

Explanation

We can find the area by counting the squares within the rectangle. There are squares.

We can also multiply the length and the width to find the area.

*Area is the number of square units inside a shape, which is why area is always written with square units.

4

What is the area of the rectangle?

Screen shot 2015 11 09 at 3.55.07 pm

Explanation

We can find the area by counting the squares within the rectangle. There are squares.

We can also multiply the length and the width to find the area.

*Area is the number of square units inside a shape, which is why area is always written with square units.

5

What is the area of the rectangle?

Screen shot 2015 11 10 at 1.58.11 pm

Explanation

The formula to find area is . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

*Area is the number of square units inside a shape, which is why area is always written with square units.

6

What is the area of the figure below?

11

Explanation

To find the area of the figure above, we need to slip the figure into two rectangles.

11.5

Using our area formula, , we can solve for the area of both of our rectangles

To find our final answer, we need to add the areas together.

7

What is the area of the figure below?

3

Explanation

To find the area of the figure above, we need to slip the figure into two rectangles.

3.5

Using our area formula, , we can solve for the area of both of our rectangles

To find our final answer, we need to add the areas together.

8

What is the area of the figure below?

12

Explanation

To find the area of the figure above, we need to slip the figure into two rectangles.

12.5

Using our area formula, , we can solve for the area of both of our rectangles

To find our final answer, we need to add the areas together.

9

What is the area of the figure below?

11

Explanation

To find the area of the figure above, we need to slip the figure into two rectangles.

11.5

Using our area formula, , we can solve for the area of both of our rectangles

To find our final answer, we need to add the areas together.

10

What is the area of the figure below?

6.5

Explanation

To find the area of the figure above, we need to slip the figure into two rectangles.

6.5

Using our area formula, , we can solve for the area of both of our rectangles

To find our final answer, we need to add the areas together.

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