In this KS1 Maths article you’ll learn how to find a missing part in a part-whole model. We also have KS1 Maths videos, a quiz and lots of examples.

You can use tools like grids, bar models, and part-whole models to understand percentages better. For example, a 100 grid with 45 squares shaded shows 45%, because 45 out of 100 parts are shaded.