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.

I’m the best of all the Numberblocks. I’m number three now look at me. I’ve got three blocks to play with and the whole of me is three. One, two, three. One is a part of me and two is a part ...