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

Online

MoneySmart: Bertie's socks

This is a year 1 mathematics unit of work about shopping. The unit is intended to take about 10.5 hours of teaching and learning time. It consists of 11 student activities supported by teacher notes on curriculum, pedagogy and assessment. Student activities include responding to a story about shopping, working with Australian ...

Online

reSolve: Addition: Partitioning

This sequence of two lessons explores early algebraic thinking around the concept of equivalence. Students develop equivalence understanding by partitioning numbers into two parts. They explore the commutative property and compensation as they are challenged to find all possible combinations. Each lesson is outlined in ...

Online

reSolve: Authentic Problems: Grandma's Soup

This sequence of four lessons focuses on counting large collections of objects and developing efficient counting strategies. Students explore the ambiguous nature of a 'handful' and investigate how different sized hands and different grabbing techniques will result in different quantities of macaroni. Each lesson is outlined ...

Video

Numbers Count: Importance of zero

How important is zero in place value? How would you write '50' if there was no zero?

Video

BTN: What is an abacus?

An abacus is a tool that helps people solve maths problems. Why might some people still use, and encourage the use of, an abacus when there are more contemporary tools like calculators?

Interactive

Number frames, by the Math Learning Centre - iTunes app

Addition and subtraction using an interactive bread frame. Encourages the use of different strategies to solve addition and subtraction problems. Drawing tools enables students to annotate work to show their understanding. Write equations with the text tool. Free when reviewed on 12/5/2015.

Interactive

Hundreds, tens and units

This is an interactive resource that represents numbers visually as groups of hundreds, tens and units. It can be used to count numbers by partitioning them based on place value, or to represent numbers by building them from grids of hundreds, tens and units. The numerals matching the visual representations can be visible ...

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.

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.

Text

Next Ten - Calculate

This activity challenges students to continue a number sequence from any starting point. Using counters or other physical materials to create the number sequence prior to recording may help students, as they will be able to see what the number pattern looks like.

Text

Visualising data for a game of Kolap: Part 2

In this second of two lessons, students create a visual representation of the data collected and recorded while playing a First Nations Australian children’s instructive game of throwing skill called Kolap.

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Recording data in a game of Kolap: Part 1

In this first of two lessons, students investigate and play a First Nations Australian children’s instructive game of throwing skill called Kolap. They collect and represent data, and discuss their findings.

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Mathematics – Multi-age – Year A – Unit 19

This two-week unit develops student knowledge, understanding and skills with two-dimensional (2D) shapes, three-dimensional (3D) objects and volume.

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Mathematics – Multi-age – Year A – Unit 12

This sample unit develops student knowledge, understanding, and skills in patterning.

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Mathematics – Multi-age – Year A – Unit 11

This sample unit provides further develops students' knowledge, understanding and skills of place value and number representation.

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Mathematics – Multi-age – Year A – Unit 6

This sample multi-age unit explores the big idea 'equal means equivalent'.

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Mathematics – Multi-age – Year A – Unit 4

Smaller numbers can be found hiding in bigger numbers – develops student knowledge, understanding and skills in using combinations of numbers.

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Mathematics – Multi-age – Year A – Unit 2

Patterns have something that repeats over and over and over again – this unit provides an opportunity to further develop students’ knowledge, skills and understanding of patterns.

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Mathematics – Multi-age – Year A – Unit 1

Collections of ten are really useful – this unit develops student knowledge, understanding, and place value skills, and how attributes can be used to sort objects.

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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 ...