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

Version 8
Switch to version 9
View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
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

Refine by resource type

Refine by year level


Refine by learning area


Refine by topic

Related topic
  • No suggestions

11 direct matches to ACMNA014 | 9 other related resources
Showing the top 20 search results

Text

reSolve: Authentic Problems: Grandma's Soup

  • TLF-IDM024877

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 ...

View detailsView resource
Text

reSolve: Addition: Partitioning

  • TLF-IDM021821

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 ...

View detailsView resource
Video

BTN: What is an abacus?

  • TLF-IDM021154

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?

View detailsView resource
Video

Numbers Count: Importance of zero

  • TLF-IDM020069

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

View detailsView resource
Interactive

Hundreds, tens and units

  • TLF-IDM012235

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 ...

View detailsView resource
Text

reSolve: Number: Margot’s macaroni

  • TLF-IDA009364

In this sequence of three tasks, students take handfuls of macaroni and investigate efficient counting strategies to check whether their handful contains 100 pieces. Students explore how organising a collection into equal groups makes counting quicker, easier, and more accurate. Different arrangements also support them ...

View detailsView resource
Text

Place Value: reSolve Garden

  • TLF-IDA003939

This sequence of 5 tasks explores the idea that 10 ones are equal to a unit of 1 ten. Students explore through the context of a garden as Mr Sprout the gardener packs and plants his seeds. Students have multiple experiences of stacking, of grouping, and of bundling as they make sense of this idea. Professional learning ...

View detailsView resource
Text

Recording data in a game of Kolap: Part 1

  • TLF-IDA004597

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.

View detailsView resource
Text

Visualising data for a game of Kolap: Part 2

  • TLF-IDA004596

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.

View detailsView resource
Text

Mind Mapping Numbers - Calculate

  • TLF-IDA004284

This activity provides a way for children to show and tell what they know about numbers. It can be modified for different age groups and used every day with a different number.

View detailsView resource
Text

Patterns Year 2 - Calculate

  • TLF-IDA004288

The focus of this activity is on patterns and algorithmic thinking. The lesson aims to encourage students to explore problems with limited assistance from the teacher. Although the teacher asks questions and can prompt learning, the students will investigate the problem using their own strategies.

View detailsView resource
Text

reSolve: Skip Counting: How Many Birds?

  • TLF-IDM021824

This lesson explores counting large groups and building skip counting strategies. Students use their own strategies to work out how many birds are in a picture. They are then encouraged to consider efficient counting strategies and to recount the collection by grouping birds and using skip counting strategies. The lesson ...

View detailsView resource
Interactive

Decimal currency videos

  • TLF-IDM024872

This collection of videos from the Royal Australian Mint provides a series of brief descriptions of the transition from pre-decimal to decimal currency in Australia and how coins are made in a mint

View detailsView resource
Video

Count Us In, Ep 11: We can help you keep count!

  • TLF-IDM015939

Dodly is trying to keep count of the number of sheep in the backyard. Flynn helps Dodly to keep count by representing the numbers in different ways. They use models, drawings, strokes and numerals to keep count. Also discover the ways different cultures have recorded numbers.

View detailsView resource
Text

Finding Shapes and Objects - Calculate

  • TLF-IDA004169

The focus of this activity is for students to count a variety of objects in their home environment and write the number for each.

View detailsView resource
Text

Number Walk Rich Task - Calculate

  • TLF-IDA004336

This downloadable lesson resource introduces the concept of ‘Number Walks’: taking a stroll with the class or group around the school or the local neighbourhood. Guided by the teacher, students note down anything they see that relates back to their understanding of the topic and then conduct a plenary session back in the ...

View detailsView resource
Text

Our magnificent thing

  • TLF-IDA005815

This module focuses on repurposing rubbish, giving students the opportunity to consider sustainability and the impact of their lifestyle choices on the environment. Based on the fiction picture book, The Most Magnificent Thing by Ashley Spires, students are encouraged to repurpose recyclable items to create their own most ...

View detailsView resource
Text

TIMES Module 1: Number and Algebra: counting and place value - teacher guide

  • TLF-IDM008812

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

View detailsView resource
Text

TIMES Module 2: Number and Algebra: addition and subtraction - teacher guide

  • TLF-IDM008811

This is a 29-page guide for teachers. The module introduces addition and subtraction of whole numbers.

View detailsView resource
Interactive

Goat Busters (Area model for multiplication) - ABC Education

  • TLF-IDA005649

As a team use the area model and mathematical thinking to find the answer to tricky calculations. Mathematical ideas and strategies this game supports: area model for multiplication; 1 x 2-digit multiplication; 2 x 2-digit multiplication; identifying factors; partial products; distributive property; place value partitioning ...

View detailsView resource