Problem-solving tools
Using bar modelling to find the best supermarket deal
A shopper uses bar modelling to work out the price per litre of cooking oil in a supermarket so he can get the best deal.
Working out how much paint is needed using bar modelling
Measuring the area of a room and using bar modelling to calculate how much paint is needed.
Calculating a 10% tip in a restaurant using place value columns
A group of friends work out 10% of their restaurant bill and how much they each need to pay.
Using a timeline to calculate how long it will take to get to work
An apprentice uses a timeline to work out what time he needs to leave the house for work.
Scaling up a cake recipe using a fraction wall
Increasing the ingredients in a cake recipe by 1.5 using a fraction wall.
