BMI values are widely used as a general indicator of whether a person has a healthy body weight for their height, keeping age in consideration. Research has proved that being substantially overweight or underweight increases the risk of a number of serious diseases and health conditions.

Activity:

1. Measure your height and weight using metric units. Record this on a Post It note with your name.

2. Enter the details into the interactive below to calculate the BMI value.

Your family has agreed to give you some pocket money every day for a month. You can choose from the following options:

1. £10 every day

2. £3 on the first day, £3.50 on the second, £4 on the third, and so on, increasing by 50p per day

3. 1p on the first day, 2p on the second, 4p on the third, and so on, doubling each day.

Question 1: Without doing any working out, which one would you choose, and why?

Question 2: In a month with 30 days, how much money would you have by the end of the month, under each system? 

Question 3: If your family stopped your pocket money on Day 10, which option would give you the most?

Question 4: If your family stopped your pocket money on Day 15, which option would give you the most?

Rearrange the numbers 1 to 9 in the grid below using each digit only once. The Magic Square is complete when all rows, all columns, and both diagonals add up to 15 (All numbers shown in red must also add up to 15)