Year 3

# Exploring calculation strategies and place value

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## Lessons (10)

In this lesson, we will use mental strategies such as partitioning and adjustment to multiples of ten to add a range of two digit numbers together. .
1 Slide deck
1 Worksheet
1 Quiz
1 Video
In this lesson, we will use different mental strategies to calculate subtraction such as partitioning, counting on and using known facts.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will be implementing a variety of addition and subtraction strategies to real world scenarios.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will explore the laws of multiplication, and use known facts and the laws of commutativity and associativity to perform efficient multiplication.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will use doubling and halving skills to efficiently calculate multiplication and division involving a factor of 2.
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1 Worksheet
2 Quizzes
1 Video
In this lesson, we will extend our knowledge of place value into the thousands place, and look at unit conversions that require knowledge of four digit numbers.
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1 Worksheet
2 Quizzes
1 Video
In this lesson, we will use place value knowledge to count in hundreds, investigate the number 1000 and compare the value of each digit in different four digit numbers.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will use place value knowledge to compare four digit numbers and place them in ascending and descending order of size.
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1 Worksheet
2 Quizzes
1 Video
In this lesson, we will learn how to add and subtract 1000 using our understanding of place value. We will also investigate a range of visual representations of subtraciton.
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1 Worksheet
2 Quizzes
1 Video
In this lesson, we will learn to round four digit numbers to the nearest multiple of 1000 using different visual representations such as number lines and bead strings.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video