Maths
Share
Maths
https://www.tes.com/magazine/archive/maths-16
The data in the article could be used for a graphical display about obesity. The data might also stimulate questions such as: if one in five children is now overweight, and this is three times what it was 20 years ago, what proportion were overweight then? This is also a chance to discuss the meaning of percentage and its relationship to fractions and proportions.
KS3
Can pupils express the body mass index (BMI) calculation as an equation?
KS3-4
Consider a graph with height on the horizontal axis and weight on the vertical axis; what would a line of constant BMI look like on this graph? Can you produce a graph so that if someone plots their height and weight, they can see at a glance whether they are a healthy weight? This is a good graphical calculatorgraph plotter exercise. It should lead to profitable discussion of appropriate starting points and scales for the axes.
You've reached your limit of free articles this month. Subscribe for £1 per month for three months and get: