Mathematics / Year 3 / Number and Algebra / Number and place value

• TLF-IDM021401

Do you know what makes an odd number and what makes an even number? There are a few ways to test whether a number is odd or even. Find out about one method in this video, then see if you can discover at least one other method.

• TLF-IDA004958

This unit develops the big idea that our number system extends infinitely to very large and very small numbers.

• TLF-IDA004358

ROWCO is a card game that will help students practice their addition facts while playing an engaging strategy game.

• TLF-IDA004281

This is an open task as it can cater for the needs of many students and can be used over and over to build confidence in representing numbers in different ways. In this activity students have an opportunity to engage with a variety of number ranges and are able to demonstrate their understandings of those numbers in many ways.

• TLF-IDA003546

Students represent four-digit numbers to 2,000 using materials. They read, write and compare three-digit and four-digit numbers.

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The content of this book is organised into topics including understanding whole and decimal numbers, and understanding fractional numbers.

• TLF-IDM024939

What is the role of zero as a placeholder for large numbers such as 1 million, 1 billion and 1 trillion? Find out about the notion of place value and powers of ten through the act of bead counting.

• TLF-IDM008812

This is a 16-page guide for teachers. It is a module introducing the concept of place value.

• TLF-IDL114

This tutorial is suitable for use with a screen reader. It explains how to split up numbers in your head when finding the difference between two numbers such as 26 and 73. Work through sample questions and instructions explaining how to use linear partitioning techniques. Find the difference between pairs of numbers. Split ...

• TLF-IDL8456

Test your understanding of place value with three-digit numbers. Start with a three-digit whole number such as 507. A spinner provides a randomly generated digit. Choose its place value and add it to (or subtract it from) your starting number. Work towards a given target number, say 539, using other digits. You can choose ...