Students are provided with an unfinished graph and asked to identify what three things are needed so that the graph is then complete. Students are also asked to identify the type of graph.

Curriculum Links:

Science capabilities

The capabilities focus is brought about by the conversations you have and the questions you ask.

Capability: Interpret representations

This resource provides opportunities to discuss the importance of the vertical y-axis in understanding what a graph is showing.

General statement about x and y axis not being complete.

3 correct - very difficult

2 correct - difficult

1 correct - easy

b)

B

easy

c)

Allows information to be shown visually/more clearly/easier to read, or at a glance you can, or it is possible to see a trend or pattern.

very difficult

Diagnostic and formative information:

Common error

a)

67% of students mentioned 'more numbers on the y-axis'.
33% of students mentioned 'title'.
4% of students mentioned 'a label for the y-axis'.
2% of students mentioned 'units for y-axis'.
2% of students mentioned 'a label for the x-axis'.
14% of students made a general statement about the x and y axis not being complete.