| Activity Outcome | Exploring the relationship between layers and volume in rectangular prisms. (3D Shape) |
| MTS Set | MTS5
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| NATIONAL Curriculum | Using Units of Measurement |
| Topics | Measurement Relationships
Understand Units
Volume and Capacity
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| Keywords | Volume and Capacity |
| Grouping | Whole class, independent and small group. |
| Resources | Copy the activity on an overhead sheet, an overhead projector. |
| Lesson Notes | - Direct students to Model (a) on the overhead sheet and ask: Can you see every cube in this model? How long is the model? How wide is the model? How high is the model? How many cubes will you need to build the model? What is the volume of the model? Direct students build the model and record the number of cubes and the volume.
- Direct students back to the model and ask: How many cubes in the top layer of the model? How many cubes in each layer?
- Record this number in Step 1. What happens when you multiply the number of blocks in one layer (20) by the number of layers?
- Ask: Do we get the same number of cubes in the model if we count them one by one? Can we use this idea to find the volume of cubes in the next model? How many cubes in the end layer of the model? How many cubes in each layer? Record this number in Step 1. What happens when you multiply the number of blocks in one layer (16) by the number of layers?
- Do we get the same number of cubes in the model if we count them one by one?
- Direct students to independently complete the remaining tasks.
- Place students into small groups and ask: (Reflection) Have you all recorded the same volume for each model? Where there is disagreement rebuild the model and try and reach agreement.
- Provide the opportunity for students to share responses.
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| Reflections | See Lesson Notes.
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| Internet Links | |
| Answers | 1a 60 b 64 c 45 d 120 e 81 f 200 |
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