Lesson 7 In this lesson, children will subtract numbers with the same number of decimal places once again using place value counters and a place value grid to support them with exchanging.  The problems often use currency to apply decimal subtraction to a real situation and bar models are used to assist with subtractions. There is a teaching presentation accompanied by differentiated activities with a range of fluency, reasoning and problem-solving questions. Year 5 Mathematics Content Descriptors V9 use mathematical modelling to solve practical problems involving additive and multiplicative situations including financial contexts; formulate the problems, choosing operations and efficient calculation strategies, using digital tools where appropriate; interpret and communicate solutions in terms of the situation AC9M5N09 Age: 9-10 Australia: Grade 5 Differentiation: There are three levels of differentiation in this pack: ‘working towards,’ ‘expected’ and ‘greater depth’....