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Keywords:
Achievement Objectives:

Achievement Objective: NA4-4: Apply simple linear proportions, including ordering fractions.
AO elaboration and other teaching resources
Achievement Objective: NA4-6: Know the relative size and place value structure of positive and negative integers and decimals to three places.
AO elaboration and other teaching resources

Purpose:

The purpose of this activity is to engage students in a practical investigation that leads to comparing fractions and/or decimals quantitatively.

Description of mathematics:

The background knowledge and skills that need to be established before and/or during this activity are outlined in the diagram below:

Click to show example questions for each heading

This activity may be carried out with step by step guidance, or by allowing the student to follow their own method of solution. The approach should be chosen in sympathy with students' skills and depth of understanding.

Activity:

In images of Greek gods and heroes, their full height tends to be 8 1/2 lots of their head height.

The average year 7 or 8 student has a height to head height ratio of 7.

Use this ratio, and the example below, to say how much of a hero you are.