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Listed under:  Mathematics  >  Number (Mathematics)  >  Number operations  >  Subtraction
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Mathematical modelling: Year 1 – planning tool

This planning resource for Year 1 is for the topic of Mathematical modelling. Students use mathematical modelling to solve practical problems involving additive situations including simple money transactions.

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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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Patterns and number facts: Year 2 – planning tool

This planning resource for Year 2 is for the topic of Patterns and number facts. Students consolidate their knowledge of number facts up to 20 and are encouraged to practise these to aid recall. They learn number facts for addition and subtraction up to 20, becoming familiar with the different combinations. Students recall ...

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Place value: Year 3 – planning tool

This planning resource for Year 3 is for the topic of Place value. Students consolidate and deepen place value knowledge of two- and three-digit numbers. They do this by partitioning, rearranging and regrouping numbers to help in addition and subtraction calculations.

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Find unknown values: Year 4 – planning tool

This planning resource for Year 4 is for the topic of Find unknown values. Students further develop their algebraic thinking and strategies to find missing or unknown numbers in addition and subtraction related problems.

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Work sample Year 4 Mathematics: Number: addition and subtraction

This work sample demonstrates evidence of student learning in relation to aspects of the achievement standards for Year 4 Mathematics. The primary purpose for the work sample is to demonstrate the standard, so the focus is on what is evident in the sample not how it was created. The sample is an authentic representation ...

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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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Park Ranger Problem Solving: An ‘Addition & Subtraction’ Rich Task for Years 3–4 - Calculate

The aim of this task is to provide a rich, contextual activity through which students can begin to explore the addition and subtraction of one- and two-digit of numbers in everyday contexts.

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Duck in a Bucket - Calculate

In this game for pairs or teams, students practise addition and subtraction of small numbers, using multiple strategies.

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Race to... - Calculate

This game challenges students to use their knowledge of place value to add and subtract random numbers in order to meet a target value.

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Café Fractions - Calculate

In this task, students take the role of the owner of a cake wholesaler, baking and supplying cakes to local café businesses. As café owners order their weekly cakes by the slice, students are required to add unit fractions together to calculate total cake orders. They then solve problems associated with subtracting fractional ...

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Make 10 - Calculate

This game challenges students to choose pairs of cards that sum to ten. The game develops students' skills of addition and subtraction, creating simple equations and using mathematical language to describe their thinking processes.

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Crocodile and Shark (4–6) - Calculate

In this game students practise addition and subtraction of 2-digit numbers, using multiple strategies.

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Domino Bingo - Calculate

In this game, students add single digit numbers and subitise domino dot patterns.

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Crocodile and Shark (F–3) - Calculate

In this game students practise addition and subtraction of numbers from the face of a die, using multiple strategies.

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Yuendumu leaf games: create a poster

In this final of these three lessons, students work in groups to reflect on and record their learning about representing number stories using Yuendumu leaf games and stories. They represent their leaf stories using pictures and numerals.

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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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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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Work sample Year 2 Mathematics: Trick or treat

This work sample demonstrates evidence of student learning in relation to aspects of the achievement standards for Year 2 Mathematics. The primary purpose for the work sample is to demonstrate the standard, so the focus is on what is evident in the sample not how it was created. The sample is an authentic representation ...

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Yuendumu leaf games: representing stories

In this second of three lessons, students are provided with the opportunity to play with their leaf families, and consider the many possibilities. They represent their leaf stories using pictures, numerals and symbols.