Mathematics / Year 1 / Number and Algebra / Number and place value

Curriculum content descriptions

Count collections to 100 by partitioning numbers using place value (ACMNA014)

Elaborations
  • understanding partitioning of numbers and the importance of grouping in tens
  • understanding two-digit numbers as comprised of tens and ones/units
General capabilities
  • Numeracy Numeracy
ScOT terms

Place value,  Counting,  Associativity

Downloadable

The animals went in two by two

Students recall the twos number sequence and use skip counting by twos to count a collection.

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Work sample Year 1 Mathematics: Donuts

This work sample demonstrates evidence of student learning in relation to aspects of the achievement standards for Year 1 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 ...

Online

Number sequence: Year 1 – planning tool

This planning resource for Year 1 is for the topic of Number sequence. Students work towards being able to recognise, represent and order numbers up to 120. They use partitioning and various counting processes to make sense of and represent numbers in different ways.

Downloadable

The teen game

Students use standard place-value partitioning to represent 'teen' numbers.

Online

Skip-counting with Bee-bots

Play a skip counting game where students program the Bee-Bot to stop at multiples of a set number, eg 2, 4, 5, 10 on a number grid.

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Counting games - years 1 and 2

This is a teacher resource that includes a set of student activities including counting games, focusing on numbers to 100, accompanied by copy masters and a detailed teacher guide for each activity. The games include the Korean number counting game sam yew gew - referred to as 'sam-yuk-gu' in the Australian Curriculum. ...

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Place value: Year 1 – planning tool

This planning resource for Year 1 is for the topic of Place value. Students further establish part-part-whole when exploring one- and two-digit numbers. They use partitioning to think about and represent numbers in different ways.

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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.

Downloadable

First steps in mathematics: Number – Book 1

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

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Work sample Year 1 Mathematics: Equilateral triangles

This work sample demonstrates evidence of student learning in relation to aspects of the achievement standards for Year 1 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 ...

Online

Numbers and counting - Foundation

This is a teacher resource that includes a set of student activities focusing on the numbers to 20, accompanied by copy masters and a detailed teacher guide for each activity. The activities cover the sequence of numbers, number names, 1:1 correspondence and recording and representing numbers, and make a connection to Asian ...

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Number: Foundation to Year 9

This comprehensive resource describes the progression of number-related ideas showing the relationship to other curriculum strands. The resource demonstrates examples of relevant teaching strategies, investigations, activity plans and connected concepts in number including teaching and cultural implications.