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Video

Adding decimals

This is a video demonstration, with audio commentary, of the procedure of adding decimal fractions. In the commentary, the presenter emphasises the links with the underpinning concepts of place value. Practice questions, limited to addition of decimal fractions involving tenths and hundredths, are presented with answers, ...

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Addition & Subtraction Year 1 - Calculate

This activity uses Cuisenaire rods to help demonstrate if students 'trust the count'.

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Addition & Subtraction Year 2 - Calculate

The focus of this activity is to find out what students know about different addition strategies.

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Addition and Subtraction - Calculate

This game focuses on addition, subtraction and estimation. It can be played many times as the totals will often be different and the focus of the mathematics can change. There is a video included to help with how to play the game.

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Addition and subtraction of fractions

This is a website designed for both teachers and students that addresses addition and subtraction of fractions. There are pages for both teachers and students. The student pages contain interactive questions for students to check their progress in the topics.

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Addition and subtraction: Foundation – planning tool

This planning resource for Foundation is for the topic of addition and subtraction. Students begin to appreciate patterns that occur around them. They learn to recognise, copy and continue different repeating patterns and observe natural patterns in the world around them.

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Addition and subtraction: Year 1 – planning tool

This planning resource for Year 1 is for the topic of Addition and subtraction. Students build upon the foundations of additive thinking. They draw upon part-part-whole understanding of numbers to 10 as they explore addition and subtraction within 20.

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Addition and subtraction: Year 2 – planning tool

This planning resource for Year 2 is for the topic of Addition and subtraction. Students explore and test a range of computation strategies to solve additive situations – situations involving addition and subtraction.

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Addition and subtraction: Year 7 – planning tool

This planning resource for Year 7 is for the topic of Addition and subtraction. Students compare, order and solve problems involving addition and subtraction of integers.

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Addition Foundation - Calculate

The focus of this activity is to discover if students can represent numbers, without the need to count from 1. If students ‘trust the count’ from here they will be able to use strategies to combine collections. If students do not ‘trust the count’ they may be able to combine two collections by counting by ones, but this ...

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Addition Strategies - Calculate

Regular practise of addition facts can help children build their confidence in maths.

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Addition Year 3 - Calculate

This activity is designed to see if students are able to apply their addition strategies in order to find the total of their collection of cards. Often students will have a method for adding two numbers, but when asked to add a list of numbers they revert to less efficient methods.

Video

Additive strategies: Video and teaching guide

This video explores the use of computation strategies, rounding and estimation in real-world, additive situations. Use the video with the supporting teacher guide as a springboard to explore mathematical concepts. A range of strategies such as compensation and partitioning are demonstrated. Estimation and rounding are highlighted ...

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AERO Ochre Maths Year 3 Unit 2 - Exploring calculation strategies

This sequence of 15 lessons will teach students various calculation strategies.

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AERO Ochre Maths Year 4 Unit 2 - Addition and subtraction

This sequence of 15 lessons teaches students about various addition and subtractions methods and where to appropriately apply them.

Video

AERO Ochre Maths Year 3 Unit 1 - Place value

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

Video

AERO Ochre Maths Year 4 Unit 1 - Using five-digit numbers

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

Downloadable

AERO Ochre Maths Year 5 Unit 1 - Reasoning with large numbers

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

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AERO Ochre Maths Year 5 Unit 2 - Addition and subtraction problem solving

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

Video

AERO Ochre Maths Year 5 Unit 3 - 2D perimeter and area

This sequence of five lessons teaches students about perimeter and area of shapes, as well as how to calculate them.