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Instructions for Pupils
1. Tap 
to begin.
2. Watch the video.
3. 
Drag the correct answer into the box.
4. Don't forget to go back to the graph to find the answer to each question.
5. When you're done, tap the 
to save.
Teacher Notes (not visible to pupils)
Student drag the correct answer to fill in the blank. Responses are automatically graded.
