Square and Rectangle – Basic 4 Mathematics Lesson Note (Third Term)
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- Subject
- Mathematics
- Class
- Basic 4
- Term
- Third Term
- Topic
- Square and Rectangle
- Order
- Topic 3 of 8 this term
- Reading time
- 3 min
SPECIFIC OBJECTIVES:
By the end of the week, students should be able to:
- Measure and calculate the perimeter of a square.
- Measure and compute the perimeter of a rectangle.
- Solve for the area of a square and rectangle.
- Solve real-life problems related to the area and perimeter of squares and rectangles.
- Solve quantitative reasoning problems related to areas and perimeters of squares and rectangles.
INSTRUCTIONAL MATERIALS:
- Rulers
- Measuring tape
- Visual aids for shapes
- Chalkboard/whiteboard
INSTRUCTIONAL PROCEDURES
PERIOD 1 and 2: Measuring and Calculating the Perimeter of a Square
| STEP | TEACHER’S ACTIVITY | PUPIL’S ACTIVITY |
| STEP 1 – INTRODUCTION | Introduces the concept of a square and its properties (equal sides). | Pupils listen and discuss the properties of a square. |
| STEP 2 – EXPLANATION | Explains how to calculate the perimeter of a square (Perimeter = 4 × side). | Pupils take notes on how to calculate the perimeter. |
| STEP 3 – DEMONSTRATION | Demonstrates calculating the perimeter of a square using real examples. | Pupils follow along, calculating the perimeter of squares. |
| STEP 4 – EXERCISES | Provides practice problems on calculating the perimeter of squares. | Pupils solve the exercises. |
EVALUATION:
- Find the perimeter of a square with a side length of 5 cm.
- Find the perimeter of a square with a side length of 7 meters.
CLASSWORK:
- Find the perimeter of a square with a side length of 3 cm.
- Find the perimeter of a square with a side length of 4 meters.
ASSIGNMENT:
- Find the perimeter of a square with a side length of 8 cm.
- Find the perimeter of a square with a side length of 6 meters.
PERIOD 3 and 4: Measuring and Calculating the Perimeter of a Rectangle
| STEP | TEACHER’S ACTIVITY | PUPIL’S ACTIVITY |
| STEP 1 – INTRODUCTION | Introduces the concept of a rectangle and its properties (opposite sides are equal). | Pupils listen and take notes on the properties of a rectangle. |
| STEP 2 – EXPLANATION | Explains how to calculate the perimeter of a rectangle (Perimeter = 2(l + b), where l = length, b = breadth). | Pupils take notes and discuss the formula. |
| STEP 3 – DEMONSTRATION | Demonstrates calculating the perimeter of a rectangle using examples. | Pupils follow along with the teacher’s example. |
| STEP 4 – EXERCISES | Provides practice problems on calculating the perimeter of rectangles. | Pupils solve the problems independently or in pairs. |
EVALUATION:
- Calculate the perimeter of a rectangle with length 6 cm and breadth 4 cm.
- Calculate the perimeter of a rectangle with length 8 meters and breadth 3 meters.
CLASSWORK:
- Calculate the perimeter of a rectangle with length 5 cm and breadth 2 cm.
- Calculate the perimeter of a rectangle with length 7 meters and breadth 4 meters.
ASSIGNMENT:
- Calculate the perimeter of a rectangle with length 10 cm and breadth 6 cm.
- Calculate the perimeter of a rectangle with length 12 meters and breadth 5 meters.
PERIOD 5: Area of a Square and Rectangle
| STEP | TEACHER’S ACTIVITY | PUPIL’S ACTIVITY |
| STEP 1 – INTRODUCTION | Introduces the concept of area for a square (Area = side × side). | Pupils listen and take notes on how to calculate the area. |
| STEP 2 – EXPLANATION | Explains the formula for calculating the area of a square. | Pupils discuss the formula and solve a sample problem. |
| STEP 3 – DEMONSTRATION | Demonstrates calculating the area of a square and rectangle. | Pupils follow along, calculating the area. |
| STEP 4 – EXERCISES | Provides practice problems for calculating the area of squares and rectangles. | Pupils solve the exercises independently or in pairs. |
EVALUATION:
- Find the area of a square with side length 5 cm.
- Find the area of a rectangle with length 6 cm and breadth 4 cm.
CLASSWORK:
- Find the area of a square with side length 3 cm.
- Find the area of a rectangle with length 5 cm and breadth 2 cm.
ASSIGNMENT:
- Find the area of a square with side length 8 cm.
Find the area of a rectangle with length 7 cm and breadth 5 cm.
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