Addition and subtraction within 20 - Add by making 10 - Planning

In the third week of Spring term, Year 1 students embark on a mathematical journey to master addition and subtraction within 20. This particular lesson focuses on the strategy of 'Add by making 10', which is an essential skill in developing number sense. The National Curriculum objectives for this lesson include understanding and using number bonds within 20, interpreting mathematical statements with addition and subtraction signs, and solving problems using concrete objects and pictorial representations. The lesson introduces key vocabulary such as 'addition', 'counting on', and 'number bonds'. Students will engage in interactive activities using ten frames and counters to visualise and make sense of the numbers, with the goal of becoming fluent in creating sums that add up to ten. Differentiated worksheets and teaching slides are provided to cater to varying levels of ability and to ensure that every child can participate in the learning process.

During the lesson, students will be encouraged to play educational games that reinforce their understanding of number bonds to 10. They will then move on to more advanced exercises where they will practice adding numbers to make 10 using a full ten frame and a partially filled one. The lesson is designed to help students instantly recognise the number of counters needed to complete a ten frame and understand how this knowledge simplifies addition calculations. To consolidate their learning, students will reflect on the new skills they have acquired, identify any challenges they faced, and make a 'pinkie promise' to remember the key concepts from the day's lesson. Worksheets are tailored to accommodate students working towards expected levels and those who are ready for greater depth, ensuring that each child is both supported and challenged in their learning journey.