1. In this video, you will recognize that volume is additive, by finding the volume of a 3D figure composed of two rectangular prisms.

2. volume – the number of cubic units needed to fill the space inside a three-dimensional figure

3. volume of a rectangular prism = length x width x height

4. 4 in
2 in

5. 4 in
2 in

6. 4 in
2 in

7. 4 in
2 in
Composite Volume = +

8. 4 in
2 in
Composite Volume = +
= LWH LWH

9. 4 in
2 in
Composite Volume = +
= LWH LWH
= (2∙2∙2) (2∙4∙2)

10. = + = LWH + LWH = (2∙2∙2) + (2∙4∙2) = 8 + 16 Composite Volume 2 in
= (2∙2∙2) (2∙4∙2) =

11. = + = LWH + LWH = (2∙2∙2) + (2∙4∙2) = 8 + 16 = 24 inches3
Composite Volume = +
= LWH LWH
= (2∙2∙2) (2∙4∙2) =
= inches3

12. = + = LWH + LWH = (2∙2∙2) + (2∙4∙2) = 8 + 16 = 24 inches3
Composite Volume = +
= LWH LWH
= (2∙2∙2) (2∙4∙2) =
= inches3

13. = + = LWH + LWH = (2∙2∙2) + (2∙4∙2) = 8 + 16 = 24 inches3
Composite Volume = +
= LWH LWH
= (2∙2∙2) (2∙4∙2) =
= inches3

14. = + = LWH + LWH = (2∙2∙2) + (2∙4∙2) = 8 + 16 = 24 inches3
Composite Volume = +
= LWH LWH
= (2∙2∙2) (2∙4∙2) =
= inches3

15. = + = LWH + LWH = (2∙2∙2) + (2∙4∙2) = 8 + 16 = 24 inches3
Composite Volume = +
= LWH LWH
= (2∙2∙2) (2∙4∙2) =
= inches3

16. In this video, you recognized that volume is additive, by finding the volume of a 3D figure composed of two rectangular prisms.