Year 4 Gallery of Events 2022-23 Take a look at some of the fun things we have been doing in Year 4. Number Lines - October 2022 Maths we have been using number lines up to 10,000. We worked in pairs to mark the intervals and midpoints on number lines. Partitioning Numbers - October 2022 In Maths we have been focusing on partitioning and flexible partitioning of numbers up to 10,000. We used Base 10 to help us visualise the numbers.