Editing charts and graphs
Answers are for parents and teachers.
1
In the system y = 2x and y = 12 – x, what is x?
4
2
Screen time was 90 minutes on Monday and 150 minutes on Saturday. What is the difference in minutes?
60
3
A column chart shows how many books 4 classes donated to the library in a month: 20, 25, 30 and 25. What is the difference between the largest and smallest number?
10
4
Why do we write a title and axis names on a chart?
So a reader understands what the chart is about and the units of the values without asking.
5
At most how many crossing points can two straight lines have on a graph (if they do not coincide)?
1