Lesson 12 Functions

Worksheet 1 Input and output

The larger wheel had a handle

The pupils counted how many full turns the smaller cog made each time the larger one turned a number of full turns.

For example, when the large cog turned 8 times, the small cog turned 40 times.

Here are the results from 8 different groups of pupils. In each pair the number of turns of the large cog is written first.

8,40  3,15  6,30  2,10  5,25  7,35  1, 5  4,20


Input Output


  1. How can you make sense of these results mathematically


2.What idea did you use in filling in the table?

3. What pattern(s) can you see in the results?



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