Step 3 Objective

Find the mode and range of a set of data.

Examples of what pupils should know and be able to do

Pupils should be able to find the mode and the range. Having been given the mode, they should suggest a set of data to satisfy this condition.

Probing questions

Find the mode of this set of data.

Which value occurs the most?

Five whole numbers have a mode of 3; what could they be?

What if pupils find this a barrier?

Use digit cards laid out on a number line to represent the data:

digit cards laid out on a number line representing data

Use a bar graph when Step 4 is secure.