Channel 4 Learning



Programme 25: Do the Same to the Bottom as the Top
Equivalent fractions and simplifying fractions

Sad Man demonstrates some equivalent fractions using pizzas. He talks about 'toppings' and 'bottomings'. Sad man refuses to accept such talk and insists on the correct mathematical terminology. The contestants cope with the warm up questions.
Sad Man gives some useful advice in the song. 'If You Divide The Top Of A Fraction'. In the street Bad Man causes some consternation when he tries to buy rail and bus tickets at half price. He asks for 'five tenths', 'fifty hundredths' and 'five million ten millionths' of a fare. At the final test in the Great Hall the contestants win another card.

Viewers' Challenge

Find the common factors and simplify these two fractions: 16/24 and 600/800.

Answers

Click on a letter below to choose an answer.

3/4 and 4/5
1/2 and 2/3
2/3 and 3/4