**Lesson Plan: Measurement of Capacity**
**Grade Level:** Primary 2
**Duration:** 60 minutes
**Objective:**
By the end of the lesson, students will:
1. Understand the concept of capacity.
2. Be able to compare and measure the capacity of different containers.
3. Use appropriate units of measurement (e.g., liters and milliliters).
**Materials Needed:**
- Various containers of different sizes (cups, bottles, jugs, etc.)
- Water or sand (as a medium to measure capacity)
- Measuring cups and spoons
- Markers and labels
- Whiteboard and markers
- Worksheets for practice
- Visual aids (pictures of containers with different capacities)
**Warm-Up (10 minutes):**
1. Begin with a brief discussion about capacity.
- Ask students if they know what capacity means.
- Show a few containers and ask the students which one they think can hold more water or sand.
**Introduction (10 minutes):**
1. Explain the concept of capacity.
- Define capacity as the amount a container can hold.
- Introduce the units of capacity: liters (L) and milliliters (mL).
2. Use visual aids to show examples of containers labeled with different capacities.
**Guided Practice (20 minutes):**
1. Show students how to measure the capacity of a container using water and a measuring cup.
- Demonstrate pouring water from a measuring cup into a container.
- Measure and record the amount of water each container holds.
2. Have students work in pairs, each pair receiving a container and a measuring cup.
- Students take turns measuring and recording the capacity of their container.
**Activity (15 minutes):**
1. Organize a small experiment:
- Place different containers and labels on a table.
- Students will estimate and then measure the capacity of each container.
- Have students record their estimations and actual measurements on a worksheet provided.
2. Supervise the students ensuring each pair correctly follows the measurement procedure.
**Conclusion (5 minutes):**
1. Discuss the results with the class.
- Ask students to share their findings.
- Discuss any surprising results and reinforce the key concept of capacity.
2. Recap the lesson:
- Review the definition of capacity.
- Ask a few questions to check their understanding, e.g., Which container holds more? How do we measure capacity?
**Assessment:**
- Observe students during the activity and guided practice to evaluate their understanding.
- Review completed worksheets for accuracy in measurement and recording.
**Homework:**
1. Provide a simple worksheet where students have to color containers and label their capacities.
2. Ask students to find two containers at home, measure their capacity with help from their parents, and report back their findings in the next class.
**Extension Activity:**
- For students who finish early or need an additional challenge, provide them with a more complex container and a smaller measuring cup or spoon to use for their measurements, asking them to calculate and convert units.
**Notes for Teachers:**
- Ensure all students are actively engaging in measuring tasks.
- Provide additional support for students who may struggle with the concept of capacity.
- Safely manage water use and avoid spillage. Consider using a tray to contain any mess.
This lesson plan uses hands-on activities and visual aids designed to make the abstract concept of capacity more tangible and understandable for Primary 2 students.