1
What a percent is
- 2
- 3
- 4
- 5
- 6
Out of a hundred
2
Going up, going down
- 1
- 2
- 3
- 4
- 5
3
Compared with what?
- 1
- 2
- 3
- 4
4
One change after another
- 1
- 2
- 3
- 4
5
When the total stays put
- 1
- 2
- 3
- 4
6
Year after year
- 1
- 2
- 3
7
People and percentages
- 1
- 2
- 3
- 4
- 5
- 6
8
Profit and loss
- 1
- 2
- 3
- 4
- 5
9
Marked price and discount
- 1
- 2
- 3
- 4
10
Interest
- 1
- 2
- 3
- 4
11
The exam room
- 1
- 2
- 3