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Table of Contents
Area is how much space a surface takes up. If we can measure the length of a line or figure using a ruler, how can we measure the area? One way is to consider the figure in terms of unit squares.
See the fact file below for more information on the measuring area by counting in different units or alternatively, you can download our 28-page Measurement and Data: Measuring Area by Counting in Different Units CCSS 3.MD.6 worksheet pack to utilise within the classroom or home environment.
Key Facts & Information
LEARNING OBJECTIVE
- At the end of the lesson, the students will be able to measure the area of a figure by counting its unit squares. Students will understand that area is a property of plane figures. Additionally, students will be able to express unit squares in units of meters, centimeters, feet, and inches. Students will also be able to measure the area of figures made up of squares and partial unit squares.
A NOTE FOR THE TEACHER
- When teaching Measuring Area by Counting Unit Squares, take note of the following:
- Guide the student in counting carefully.
- Have the student take note of the figureβs area after counting, as not to forget it.
- Allow the student to discover their own efficient way of counting.
- Remind the student to be wary of the unit of measurement being used in an item.
THEORY
- Area is how much space a surface takes up. If we can measure the length of a line or figure using a ruler, how can we measure the area? One way is to consider the figure in terms of unit squares.
- Letβs take, for example, this rectangle. When we put it on a grid, we can see that the rectangle is made up of smaller squares inside of it. To find out the rectangleβs area, we simply would need to count how many squares fit in the rectangle. By doing this, we know that the rectangle is made up of 8 unit squares. The area of the rectangle is 8 square units.
- Letβs take this figure as a second example. This figure is also made up of some triangles. We call these triangles partial unit squares. Each triangle or partial unit square is equal to half a square unit. From this, we know that 2 partial unit squares are equal to 1 unit square. In other words, two triangles are equal to 1 square.
- In the figure below, we can count 5 unit squares and 4 partial unit squares. Since each partial unit square is equal to half a unit square, we can say that 4 triangles are just 2 squares. Therefore, the figure has an area of 7 unit squares.
Measurement and Data: Measuring Area by Counting in Different Units CCSS 3.MD.6 Worksheets
This is a fantastic bundle that includes everything you need to know about Measurement and Data: Measuring Area by Counting in Different Units across 28 in-depth pages. These are ready-to-use worksheets that align with the Common Core CCSS code 3.MD.6 for Measurement and Data: Measuring Area by Counting in Different Units.
Table of contents:
- A lesson plan
- Warm-up activity
- Math theory explained
- Assisted learning activities
- Independent learning activities
- Extension activities and games
- Answer keys
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