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Sections

Surface Areas and Volumes

Pick a section. You read the idea first, then answer questions on it.

1. Solids built from solids1 ideaRead
2. Before you start1 ideaRead
3. Two ways to measure a surface1 ideaRead
4. A combination of two solids1 ideaRead
5. The slant height of a cone1 ideaRead
6. Surface area and volume of boxes1 ideaRead
7. Surface area and volume, sphere family1 ideaRead
8. Surface area and volume: cylinder1 ideaRead
9. Surface area and volume: cone1 ideaRead
10. Only exposed faces count1 ideaRead
11. A join hides two faces1 ideaRead
12. Only the shared face disappears1 ideaRead
13. A join needs matching radii1 ideaRead
14. Spotting a combination in real life1 ideaRead
15. Volume simply adds or subtracts1 ideaRead
16. Adding both totals overcounts1 ideaRead
17. Worked: a cylinder’s surface and volume1 ideaRead
18. Worked: a toy’s total surface1 ideaRead
19. Worked: a hemisphere on a cube1 ideaRead
20. Worked: a capsule’s surface area1 ideaRead
21. Worked: a toy’s volume1 ideaRead
22. Worked: volume after hollowing out1 ideaRead
23. Recap1 ideaRead
24. Where you will meet this1 ideaRead
25. Practice set: Exercise 12.11 ideaRead
26. Practice set: Exercise 12.21 ideaRead