Year 3

# Multiplication and division

## Lessons (15)

• In this lesson, we will introduce the 3 times table and look at the key vocabulary 'products' and 'multiples'. We will use visual representations to aid our understanding including number lines, and real life objects.
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1 Quiz
1 Video
• In this lesson, we will introduce the 4 times table through skip-counting, and represent multiples of 4 in a number of visual ways. We will compare the terms multiple and product.
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1 Video
• In this lesson, we will create and use arrays to visually aid multiplication, and accurately answer questions. We will study the difference between visualising columns and rows, and the effect on how the calcuation is written.
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1 Video
• In this lesson, we will introduce the term 'communtativity', and study the properties and laws of multiplication. We will use arrays to prove that multiplication is commutative.
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• In this lesson, we will compare arrays and bar models, and use them as ways of visualising multiplication questions. We will use bar models to help us solve multiplication problems.
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• In this lesson, we will explore the concept of inverse operations with regards to multiplication and division. As a result, we will use our times tables knowledge to help us answer division questions.
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• In this lesson, we will use our knowledge of multiplication and division 'fact families' in order to find the missing number in a range of questions. We will use arrays to represent the relationship between inverse operations, and explore how fact families around multiplication and division help us discover new facts about multiplication and division.
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1 Video
• In this lesson, we will consolidate our knowledge of multiplication and divison and apply our new strategies to further problems including incomplete multiplication tables and 'spot the error' activities.
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• In this lesson, we will be using and applying known facts around fact families, multiples and factors to solve problems. We will, for example, look at how factors of a number help us determine multiples of near numbers.
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1 Video
• In this lesson, we will revisit arrays and bar models as ways of representing multiplication, as well as solving questions involving inverse operations and commutativity.
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• In this lesson lesson, we will investigate different factor pairs and look at the number of combinations possible within a set, summarised in data tables to find patterns.
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• In this lesson, we will look at the effect of doubling a number on the factors of that number, and investigate how the size of the number changes proportionally as we keep doubling.
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• In this lesson, we will learn how to solve 'ten times bigger' questions. We will look at different visual representations of making things ten times bigger, including number lines, bar models and Deines blocks.
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1 Video
• In this lesson, we will explore the use of, construction of, and selection of the most appropriate bar-models to help answer different types of multiplication and division questions.
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• In this lesson, we will revisit the use of factors and products to help solve multiplication and division problems, and revise the effects of multiplying a number by ten.
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1 Video