Percentages. Sharing a cake
Description
This short clip poses a mathematical problem on percentages and presents a real-life context for problem-solving. It is ideal for use as a lesson starter in KS2 maths. In the clip, Jessica, Charlie, Tim and Sue are working together to make a chocolate cake. Jessica mixes up the cake ingredients, Charlie makes the frosting, Tim pours the mixture into the tin and puts it in the oven. Sue does the decorations.Each person carries out a different amount of work:Jessica does 50% of the work. Charlie does half as much as JessicaTim does half as much as CharlieSue does as much as TimWhen the cake is ready, the cooks want to divide the cake according to the amount of work they each did.The challenge for the pupils is to sketch a cake and label it showing how much of the cake each cook should get.See the accompanying teachers notes for suggested extension activities.
Runtime
2 min
Series
Subjects
Geography
Genre
Date of Publication
2009
Database
Alexander Street
Direct Link
Similar Films
Statistics. Regression and Measures of Association. Chapter 16
Learning to lead mathematics professional development. OrganizToolsWhole
Secondary Maths. Enrichment tasks. Mathematics for all
Barcelona's big church
How Long Is a Piece of String?
Times table
Lesson starters. Secondary PSHE
Lesson starters. Pirate's lost treasure. Angles. 4
The Language of the Universe. Mathematics in Ancient Times
Statistics. Chi-Square Tests. Chapter 15
Product Design, Testing, and Modification
From good to outstanding. James Evelyn
Changing movement by force
Lesson starters. Science lab. Writing an adventure story. 5
Different writing styles