Addition and subtraction - Add and subtract three-digit and ​two-digit numbers not nrossing 100 - Starter

In a mathematics lesson for Year 3 pupils during Autumn Term's Week 5, Day 3, the focus is on enhancing addition and subtraction skills. The session begins with a 'Fluent in Four' revision exercise, where students are encouraged to describe the turn for each pattern and solve various calculations. They may use manipulatives to assist with the mathematical operations. For instance, when faced with the equation 6 × = 60, students must determine the missing number and can use counters or blocks to group into sixes to reach the total of 60. Similarly, for the subtraction problem 273 – 7, students could use base-ten blocks to visually subtract seven ones from 273, explaining the process of exchanging a ten for ten ones to facilitate the subtraction.

The lesson also includes activities where students are asked to identify equal groups and the number within each group to understand multiplication as repeated addition. For example, they might be instructed to add together multiple instances of the same number and then draw representations of this addition to solidify their understanding. Students are also tasked with identifying patterns, such as finding an incorrect shape within a sequence, and describing geometric turns, such as half turns or quarter turns in an anticlockwise direction. These exercises help students to apply their mathematical knowledge in a practical context, while also developing their reasoning and problem-solving skills.