How to find the area of a rectangle

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ISEE Lower Level Quantitative Reasoning › How to find the area of a rectangle

Questions 1 - 10
1

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.

2

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.

3

What is the area of the figure below?

6

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.

4

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.

5

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.

6

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.

7

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.

8

What is the area of the figure below?

12

Explanation

To find the area of the figure above, we need to split 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 rectangle?

Screen shot 2015 11 10 at 12.30.19 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.

10

What is the area of the rectangle?

Screen shot 2015 11 10 at 1.57.57 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.

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