Download this lovely Year 3 What is Perimeter? Varied Fluency worksheet to help introduce children to the concept of perimeter. This resource contains three different varied fluency questions that use shapes with lengths identified and square grids with shapes marked out to encourage children to work out the perimeter using the information given. This activity is a great way to discuss perimeter and make real-life connections. Use it as part of your whole class teaching or within small groups. The helpful answer page makes marking a bit easier.