Compare size, weight and capacity in length: Example question
31 October 2026
Children often need to compare lengths to decide which object is longer or shorter. This skill is useful in everyday situations, such as choosing a pencil or measuring items at home.
Worked example
Ben has a pencil that is 12 cm long. Mia has a pencil that is 15 cm long. Whose pencil is longer?
Compare the lengths: 12 cm and 15 cm.
15 cm is more than 12 cm.
Mia's pencil is longer.
Click or tap on the number line to answer
After seeing this example, your child can spot which length is bigger and explain their thinking. The next step is to practise similar questions, helping them feel confident when comparing sizes in real-life problems. For more support, search for maths.com uk resources.
