Place value

Year 3 Maths – Unit 1: Lessons 1–10

Australian Education Research Organisation(AERO), www.edresearch.edu.au

Place Value
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Developed in partnership between AERO and Ochre Education, these lesson resources support the use of effective, evidence-based practices and address the learning expected in the Australian Curriculum. An exemplar unit plan provides guidance on the structure, sequence and decision-making made during the planning process.

This sequence of 10 lessons will teach students about four-digit numbers and their properties.

Lesson 1 Reading and writing four-digit numbers

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Students will learn to use place value charts and base 10 blocks to help us read and write four-digit numbers.

Lesson 2 Partitioning numbers in different ways

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Students will partition numbers up to four digits in a variety of ways.

Lesson 3 Ordering and comparing four-digit numbers

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Students will learn to order and compare four-digit numbers using greater than and less than symbols.

Lesson 4 Ordering four-digit numbers using number lines

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Students will learn to order and compare four-digit numbers using number lines and place numbers from a table in ascending order of size.

Lesson 5 Adding 10, 100 and 1000 to four-digit numbers

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Students will add 10, 100 and 1000 to a number, using base 10 blocks and place value tables. Students will also add with regrouping.

Lesson 6 Subtracting 10, 100 and 1000 from four-digit numbers

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Students will subtract 10, 100 and 1000 from a number, using base 10 blocks and place value tables. Students will also subtract with regrouping.

Lesson 7 Rounding three- and four-digit numbers to the nearest 10 and 100

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Students will learn to round three- and four-digit numbers to the nearest 10 and 100. We will learn how to construct and use number lines appropriately as a visual aid and find all the possible numbers that could have been rounded to a multiple of 10.

Lesson 8 Applying place value knowledge to problem solving

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Students will investigate how to create the various four-digit numbers with specific properties from the digits 0 to 9, such as the largest number, or a multiple of 10.

Lesson 9 Finding solutions to a problem

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Students will learn to use their knowledge of place value to solve different worded problems where they will have to select numbers that have certain properties from a set.

Lesson 10 Place value fluency and application

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Students will consolidate their understanding of place value, addition and subtraction from the previous lessons.