1. Stand Quietly

2. Lesson 8.0 Basic Volume

3. Warm-Up #26 (10/28/16)
Is the length of 3, 4, and 5 form a right triangle? How do you know?
The diagonal of a rectangle is 30 cm. The length is 24cm. What is the area of the rectangle?

4. Homework (10/ 28/16)
Workbook: Record and Practice Journal Page 165 #1-5 ALL Page 166 #8-12 ALL

5. Lesson Plan – Objectives and Habits of Mind
To calculate the volume of a cube by counting multi link (Level 4.)
To calculate the volume of a cube using a formula.
To calculate the volume of a cuboids using a formula. (Level 6)
To calculate the volume of prisms and cylinders by first finding the area of the cross section . (Level 7)
To discuss and compare approaches and results with others.
To clearly communicate thoughts and ideas in a number of ways.
Keywords
Cross Section, Dimension, Length, Width, Height, Prism
Mental and Oral Starter
In groups pupils to discuss what volume means and then calculate the volume of the 3D shapes shown. Some groups may need to make the shapes using multi link cubes.
Main Activity
Remind pupils of their roles.
Each member of the group should select a 3D shape to work on and cut it out. They should then find the volume of each 3D shape by first working out the area of the cross section. Pupils should then glue the shape onto the group’s A3 paper and write down how they worked it out. The rest of your group must agree with your method.
Plenary
Ask pupils to answer the probing question using mini white boards.

6. This is made out of multi-link cubes.

7. We can work this out by dividing the cuboid into layers.
What is its volume?

8. 8cm
2cm
4cm
How many layers?
What is the area of the cross section?
What is the volume? (How many cubes altogether?)

9. 10cm
3cm
5cm
How many layers?
What is the area of the cross section?
What is the volume? (How many cubes altogether?)

10. 7cm
2cm
How many layers?
What is the area of the cross section?
What is the volume? (How many cubes altogether?)

11. 5cm
2cm
4cm
How many layers?
What is the area of the cross section?
What is the volume? (How many cubes altogether?)

12. EXPLORATION Name and table # Glue shape to the paper
How many layers does the shape have?
What is the area of the cross section?
Find the volume of the 3D shape.

13. Find the volume of the 3D shapes.
Cube
Cuboids
Find the volume of the 3D shapes. 7m 5m 2m 3
Triangular Prism
10cm
12cm
8cm
Cylinder
3cm
4cm 2m
6cm
12cm
Trapezium
12m
4.5m 5m 3m
8cm
4cm
2cm

14. Probing Question
If you know the height and volume of a prism what else do you know?
What don’t you know?