Length and Perimeter - Subtract lengths​ - Starter

The lesson for Year 3 during the Spring Term's ninth week, on day three, focuses on mathematical fluency with an emphasis on subtracting lengths. A 'Fluent in Four' revision section challenges students with quick-fire arithmetic problems, such as doubling the number 84 and multiplying 8 to get 48. The lesson also includes a practical application of maths skills where students complete a table by adding pounds and pence, reinforcing their understanding of British currency and the relationship between the two.

Additionally, the lesson incorporates comparative exercises using the symbols <, >, or = to compare different measurements, such as metres and centimetres. This helps students grasp the concept of length and its different units. For example, they compare 1 metre to 1 centimetre, 12 centimetres to 21 centimetres, and 100 centimetres to 1 metre. A real-world application task presents students with a scenario involving a firefighter's ladders of different lengths. They are asked to calculate the total length when both ladders are combined, enhancing their skills in adding lengths that involve both metres and centimetres.