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Read changes and trends over time and make conclusions supported by line-graph data.
Free examples and worked answers. No account needed.
Practise the method.
Read changes and trends over time and make conclusions supported by line-graph data.
Read changes and trends over time and make conclusions supported by line-graph data.
Example 1
How many degrees Celsius did the temperature rise from 09:00 to 11:00?
Outdoor temperature through one morningView data table
| Time (24-hour) | Temperature (°C) |
|---|
| 09:00 | 22 |
|---|
| 10:00 | 29 |
|---|
| 11:00 | 31 |
|---|
| 12:00 | 27 |
|---|
Show worked answer
Answer: 9
- At 09:00 it was 22∘C; at 11:00 it was 31∘C.
- Rise =31−22=9∘C.
Example 2
How many degrees Celsius did the temperature rise from 09:00 to 11:00?
Outdoor temperature through one morningView data table
| Time (24-hour) | Temperature (°C) |
|---|
| 09:00 | 10 |
|---|
| 10:00 | 16 |
|---|
| 11:00 | 18 |
|---|
| 12:00 | 14 |
|---|
Show worked answer
Answer: 8
- At 09:00 it was 10∘C; at 11:00 it was 18∘C.
- Rise =18−10=8∘C.
Example 3
How many degrees Celsius did the temperature rise from 09:00 to 11:00?
Outdoor temperature through one morningView data table
| Time (24-hour) | Temperature (°C) |
|---|
| 09:00 | 19 |
|---|
| 10:00 | 24 |
|---|
| 11:00 | 26 |
|---|
| 12:00 | 24 |
|---|
Show worked answer
Answer: 7
- At 09:00 it was 19∘C; at 11:00 it was 26∘C.
- Rise =26−19=7∘C.
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