5. Example 1 Example 2 length height breadth length breadth height 12 = 4 1 3 = 2 2 3 Total of the cubes Total of the cubes 12
6. Example 1 length height breadth 12 = 4 1 3 1.) In addition, subtraction, multiplication and division, what is the method that can use to solve the problem? Multiplication X X X X
7. Example 2 length breadth height = 2 2 3 Total of the cubes 12 X X X X Conclusion : 1.) What is the formula to find the volume of a 3D shape ? length X breadth X height
8. Find the volume of 3D So easy so easy Times length , breadth and the height Then get answer REMEMBER THE SONG VOLUME OF 3D SHAPE London Bridge Falling Down
9. Find the volume of a combination 3D shape. 3 cm 4 cm 2 cm 6 cm Volume A ( cube ) 3 cm X 3 cm X 3 cm = 27 cm 3 Volume B ( cuboid ) 6 cm X 4 cm X 2 cm = 48 cm 3 Volume A + Volume B = 27 cm 3 + 48 cm 3 = 75 cm 3 A B answer : 75 cm 3 Example
10. 1.) Find the volume of a combination 3D shape. 4 cm 9 cm 2 cm 4 cm 4 cm Volume A ( cube ) 4cm X 4cm X 4cm = 64 cm 3 Volume B ( cuboid ) 9cm X 4cm X 2cm = 72 cm 3 Volume A + Volume B = 64 cm 3 + 72 cm 3 = 136 cm 3 A B answer : 136 cm 3
11. 2.) Find the volume of a combination 3D shape. 2m 3m 2m 5m 2m Volume A ( cuboid ) 5m X 2m X cm = 30 m 3 Volume B ( cuboid ) 2m X 2m X 8m = 32 m 3 Volume A + Volume B = 30 m 3 + 32 m 3 = 62 m 3 A B 8m answer : 62 m 3
12. 3.) Find the volume of a combination 3D shape. 2cm Volume A ( cuboid ) 5cm X 2cm X 2cm = 20 m 3 Volume B ( cuboid ) 7cm X 2cm X 2cm = 28 cm 3 Volume C ( cube ) 2cm X 2cm X 2cm = 8 cm 3 Volume A + Volume B + Volume C = 20 cm 3 + 28 cm 3 + 8 cm 3 = 56 m 3 answer : 56 cm 3 2cm 2cm 2cm 2cm 5cm 7cm A B C
