| Full lesson | Create for a teacher a set of content for giving a lesson, beginning with the lesson plan. Each new block of materials must begin with an H1 heading (other subheaders must be H2, H3, etc). When you describe required pictures, write those descriptions in curly brackets, for example: {A picture of a triangle} |
| Which subject | Mathematics |
| What topic | Area and perimeter |
| What length (min) | 30 |
| What age group | Year or Grade 4 |
| Class size | 20 |
| What curriculum | |
| Include full script | |
| Check previous homework | |
| Ask some students to presents their homework | |
| Add a physical break | |
| Add group activities | |
| Include homework | |
| Show correct answers | |
| Prepare slide templates | |
| Number of slides | 5 |
| Create fill-in cards for students | |
| Create creative backup tasks for unexpected moments |
Area and Perimeter
Grade 4
Mathematics
20 students
| Step Number | Step Title | Length (minutes) | Details |
|---|---|---|---|
| 1 | Introduction to Area and Perimeter | 5 | Briefly explain the definitions of area and perimeter. Use visuals to illustrate the concepts. |
| 2 | Direct Instruction | 10 | Demonstrate how to calculate the area and perimeter of rectangles and squares using examples on the board. |
| 3 | Distributing Printable Cards | 5 | Hand out area and perimeter cards to each student. Explain how they will fill them out during the lesson. |
| 4 | Guided Practice | 5 | Work through a couple of practice problems as a class using the cards. Encourage students to use their rulers. |
| 5 | Independent Work | 3 | Allow students to complete additional problems on their cards independently. |
| 6 | Collecting Cards | 2 | Collect the cards for assessment or random checking without calling on students to present. |
| 7 | Homework Assignment | 0 | Briefly explain the homework assignment related to area and perimeter and clarify any questions. |
“Good morning, class! Today we are going to explore two important concepts in mathematics: area and perimeter.
Can anyone tell me what they think area means? How about perimeter?
(Wait for a few students to respond, encouraging participation.)
Great answers!
To define them clearly, area refers to the amount of space inside a shape, while perimeter is the distance around the outside of the shape.
(As you speak, you can draw a rectangle and a square on the whiteboard to illustrate the concepts, labeling the area and perimeter.)
Look at this rectangle. The area represents the total number of square units that can fit inside, and the perimeter is the total length of all the sides.
Does everyone understand these definitions?
(Encourage any further questions before moving on.)”
“Now, let’s get a bit more hands-on.
I’ll show you how to calculate the area and perimeter of a rectangle and a square.
(Using the whiteboard, draw a rectangle and a square.)
First, to find the area of a rectangle, we multiply its length by its width. So if our rectangle is 4 units long and 3 units wide, we calculate:
Area = Length × Width.
(Write it down as you speak, showing the math.)
Area = 4 × 3, which equals 12 square units.
For the perimeter, we add up all the sides. The formula is:
Perimeter = 2 × (Length + Width).
So for our rectangle, it would be:
Perimeter = 2 × (4 + 3), which equals 14 units.
Now, for a square, since all sides are equal, we just take one side and do the same thing for area and perimeter.
Can anyone tell me how we find the area of a square?
(Wait for responses.)
Exactly! Area = side × side. If our side length is 5 units, then the area is 5 × 5, which equals 25 square units.
And for the perimeter, we would calculate it like this:
Perimeter = 4 × side. So for a side length of 5 units, the perimeter would be 4 × 5, which equals 20 units.
Any questions so far?"
“Now, each of you will receive an area and perimeter card. Please take one and look it over.
These cards will help you practice what we’ve just learned.
Make sure to have your rulers out, as you will need them to measure sides accurately.
(Distribute the cards to each student one by one.)
Once you have your cards, you will fill them out during our lesson, using the examples we just discussed. If you have any questions while filling them out, please raise your hand, and I’ll assist you.
Are we ready? Let’s dive into our guided practice!”
“Let's work through a couple of practice problems together.
Take a look at your cards. The first shape is a rectangle that measures 6 units long and 2 units wide.
What is the area of this rectangle?
(Encourage responses.)
Correct! Area = Length × Width, so Area = 6 × 2, which is 12 square units.
Now, what about the perimeter?
(Wait for answers.)
Exactly! Perimeter = 2 × (Length + Width), which gives us Perimeter = 2 × (6 + 2) = 16 units.
Now try the next shape on your cards. We’ll give you a moment to calculate the area and perimeter of this square with a side length of 4 units.
(Encourage everyone to work through it together, providing assistance where needed.)
Alright, who can share the area and perimeter of the square?
(Accept answers and correct any misconceptions.)
Excellent job, everyone! Now, with your rulers, I’d like you to measure accurately and fill out the rest of the information on your cards.”
“Now it’s your turn to practice what you’ve learned on your own!
Take a few minutes to complete the remaining problems on your cards independently.
Make sure to show your work for calculating the area and perimeter.
You have 3 minutes. Ready, set, go!"
“Time’s up! Please pass your cards to the front of the class.
I will collect them for assessment. Please note that there’s no need to feel nervous.
This is just for me to see how you did and to check for understanding.
You can relax now while I check your work."
“Before we wrap up today, I want to give you your homework assignment.
For homework, I’d like you to solve the area and perimeter problems located on the worksheet I'm handing out now.
(Distribute the worksheets.)
Make sure to follow the same methods we've practiced today.
If you have any questions about the homework, feel free to ask.
Please remember that practice will help solidify these concepts in your mind.
Great job today, class! I look forward to seeing you all tomorrow.”
What is the formula for calculating the area of a rectangle? Provide an example with dimensions of your choice.
If a rectangle has a length of 10 units and a width of 5 units, what is its area?
What is the formula for calculating the perimeter of a rectangle?
Calculate the perimeter of the rectangle from the previous question (length = 10 units, width = 5 units).
Define the area of a square. How is it calculated?
If the side length of a square is 7 units, what is the area?
What is the formula for calculating the perimeter of a square?
Calculate the perimeter of the square from the previous question (side length = 7 units).
Draw a rectangle measuring 8 units by 3 units. Calculate both its area and perimeter.
Draw a square with a side length of 6 units. Calculate both its area and perimeter.
Create a word problem that involves finding the area and perimeter of a rectangle. Solve your problem with your own dimensions.
If you combine two rectangles, one measuring 4 units by 7 units and another measuring 3 units by 2 units, what would be the total area of the combined shape?
A square garden has a side length of 5 meters. If you need to put a fence around it, what is the total length of the fence needed?
Why do you think understanding area and perimeter is important in real life? Provide at least two examples.
Reflect on today's lesson: What part of calculating area and perimeter do you find the easiest, and what do you find the most challenging?
| Question | Answer |
|---|---|
| What is the definition of area in mathematics? | |
| How do you calculate the perimeter of a rectangle? | |
| What formula do you use to find the area of a rectangle? | |
| What is the formula for finding the perimeter of a square? | |
| If a rectangle is 4 units long and 3 units wide, what is its area? | |
| How do you calculate the perimeter of a rectangle with lengths of 4 and 3 units? | |
| What is the area of a square with a side length of 5 units? | |
| Can you calculate the perimeter of a square with a side length of 5 units? | |
| If a rectangle measures 6 units long and 2 units wide, what is its area? | |
| What would be the perimeter of a rectangle that is 6 units long and 2 units wide? | |
| How would you find the area of the square on your card with a side length of 4 units? | |
| What steps do you follow to calculate the perimeter of a shape? | |
| Why is it important to measure accurately when working with area and perimeter? |