Learn how to use a bar model to represent and solve mathematical problems in this Bitesize KS3 maths guide.

Swee Fong Ng, Kerry Lee, The Model Method: Singapore Children's Tool for Representing and Solving Algebraic Word Problems, Journal for Research in Mathematics Education, Vol. 40, No. 3 (May, 2009), pp ...

In the video above, the MinutePhysics team demonstrates how addition can be used to solve subtraction problems. It requires budding modular mathematicians to perform some simple subtraction ...