# Teachers TV: KS3 Maths lesson starters, shopping mall

A shopping mall is used as a real life backdrop for solving a range of Maths problems in these KS3 lesson starters.

# Teachers TV: Secondary Maths KS3 lesson starters - Shopping mall

A shopping mall is used as a real life backdrop for solving a range of Maths problems in these KS3 lesson starters.

The videos are presented here in a full length version, and shorter clips featuring the different topics, so you can easily select what you want to use with you class.

#### Full length video

Shopping Mall

Maths adviser and performer Isaac Anoom presents a selection of quick-fire starter questions for teachers to use with their KS3 Maths pupils.

#### Fractions, decimals and percentages

Percentages: Price Discount on Suitcase

A maths problem on percentages, set in the real-life context of a shopping centre.

Percentages: VAT on Suitcase

A maths problem on calculating VAT.

Fractions: Using Reciprocals

The presenter challenges students to put some fractions in order, from the smallest to the largest.

Fractions: Cutting a Cake

Presenter Isaac Anoom asks how he can divide a cake into twelve parts by making only four cuts with his knife.

#### Algebra

Value for Money: Boxes of Teabags

Students are challenged to calculate whether a pay-as-you-go or contract mobile phone is better value for money.

Value for Money: Mobile Phone Tariffs

Students are challenged to calculate whether a pay-as-you-go or contract mobile phone is better value for money.

#### Probability

Probability: Assorted Chocolates

A problem on the probability of chocolates coming out of a bag is posed to students.

#### Surface Area

Surface Area: Octagon

The shopping-centre floor has an eye-catching design: an equilateral octagon, each side measuring 6 metres. Students must calculate the surface area of the octagon.

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