Lesson 4 In this lesson, children learn how to convert between different units of time including years, months, weeks, days, hours, minutes and seconds. Children will be shown how to use mental multiplication methods to solve calculations such as 30×60.  There is a teaching presentation accompanied by differentiated activities with a range of fluency, reasoning and problem-solving questions. Year 5 Mathematics Content Descriptors V8.4 Compare 12- and 24-hour time systems and convert between them ACMMG110 V9 compare 12- and 24-hour time systems and solve practical problems involving the conversion between them AC9M5M03 Differentiation: There are three levels of differentiation in this pack: ‘working towards,’ ‘expected’ and ‘greater depth’. Level of this Pack: Age: 10-11 Australia: Grade 5...