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

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Recognise, model, read, write and order numbers to at least 100. Locate these numbers on a number line (ACMNA013)

Elaborations
  • modelling numbers with a range of material and images
  • identifying numbers that are represented on a number line and placing numbers on a prepared number line
General capabilities
  • Literacy Literacy
  • Numeracy Numeracy
ScOT terms

Number lines,  Positive integers,  Numerical order

Tablet friendly (Interactive resource)

Number trains

Arrange train carriages according to numbers on their sides. The numbers are represented in a range of formats such as words, numerals, dice dots or counting frames. Identify the numbers that come before and after starting numbers. Begin with numbers up to ten. Move on to work with larger numbers such as 40 and 50. Practise ...

Interactive Resource

Sites2See – number for primary

Selected links to a range of interactive online resources for the study of number in Foundation to Year 6 Mathematics.

Interactive resource

Number trains: numbers 30–50

Arrange train carriages according to numbers on their sides. The numbers are represented in a range of formats such as words, numerals, base-10 blocks or counting frames. Identify the numbers that come before and after starting numbers. Work with numbers in the range 30–50. This learning object is the third in a series ...

Assessment resource

Number trains: counting on: assessment

Test your understanding of whole numbers in a variety of representations (number words, numerals, dice dots, ten-frames). Arrange train carriages in sequence according to numbers represented on their sides. For example, arrange four carriages into the sequence 8, 9, 10, 11. Identify the numbers that come before and after ...

Teacher resource

reSolve: Authentic Problems: Target Ball

This sequence of four lessons explores the relationship between an informal unit of measure and what is being measured using the context of designing a game of 'Target Ball'. Students work in groups to collect data on how far their chose ball rolls, using a cut-out foot as an informal unit of measure. They represent and ...

Teacher resource

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 ...

Interactive resource

Number trains: numbers 90–120

Arrange train carriages according to numbers on their sides. Identify the numbers that come before and after starting numbers. Work with numbers in the range 90–120. For example, arrange four carriages into the order 98, 99, 100, 101. This learning object is the fourth in a series of five objects that progressively increase ...

Interactive resource

Scale matters: simple units

Explore the use of scale on a number line. Select a ruler displaying a helpful scale such as ones, tens or hundreds. Look at a pair of numbers such as 900 and 1200 marked on a number line. Identify the number corresponding to another point. Or locate another point on the number line to complete a series of three numbers. ...

Teacher resource

reSolve: Place Value: Number Sorting

This sequence of two lessons explores sorting numbers and place value. In the first lesson students identify the value of digits in a number and also build correct terminology to sort and describe 1-digit, 2-digit and 3-digit numbers. In the second lesson, students are challenged to use Venn diagrams to sort and describe ...

Teacher resource

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 ...

Moving Image

Recording numbers

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.

Interactive resource

Scale matters: tens

Explore the use of scale on a number line. Select a ruler displaying a helpful scale such as tens. Look at a pair of numbers such as 90 and 120 marked on a number line. Identify the number corresponding to another point. Or locate another point on the number line to complete a series of three numbers. Apply a marked scale ...

Interactive resource

Scale matters: ones

Explore the use of scale on a number line. Select a ruler displaying a helpful scale such as ones. Look at a pair of numbers such as 28 and 32 marked on a number line. Identify the number corresponding to another point. Or locate another point on the number line to complete a series of three numbers. Apply a marked scale ...

Interactive Resource

MoneySmart: needs and wants

This resource is two interrelated activities about distinguishing between needs and wants and shopping for best value. The first level shows Flynn, a young child who needs various items for school. Users choose the clothing and personal items they consider essential. They can swap items and review their choices. The second ...

Interactive Resource

Number line, by the Math Learning Centre - iTunes app

Use a virtual number line to visualise number sequences and to represent and solve addition, subtraction, multiplication and division problems. Free when reviewed on 12/5/2015.

Interactive resource

Counting beetles: solving word problems

Look at a word problem that uses beetles. Use the number line to show how to solve the problem. Watch an animation of the problem on a number line. Make a number sentence to match the number line. This learning object is one in a series of five objects. Three objects in the series are also packaged as a combined learning object.

Interactive resource

Counting beetles: making word problems

Make a word problem using beetles. First, decide whether to add or subtract. Select the number of beetles for your problem. Use the number line to show how to solve the problem. Watch an animation of the problem on a number line. Make a number sentence to match the number line. This learning object is one in a series of ...

Assessment resource

Number trains: patterns: assessment

Test your understanding of numbers and order them to create patterns. Arrange train carriages according to numbers on their sides to form patterns. For example, count in fives to arrange four carriages into the sequence 12, 17, 22, 27. Identify the numbers that come before and after starting numbers. Work with numbers in ...

Teacher resource

Using 'Counting on, counting back' - Teacher idea

This Teacher idea uses a combination of games (both digital and non-digital) and hands-on tasks to explore sequencing whole numbers to 20, and solve addition and subtraction problems using 'counting on' and 'counting back' strategies. It includes reflections following the teaching of R11450 'Counting on, counting back - ...

Teacher resource

Counting on, counting back - unit of work

The beginning of this unit focuses on ensuring that students have basic foundation skills, and an understanding of both what the number line means and the forward and backward number sequence. They then progress to developing conceptual understandings of place value, specifically tens and ones. Once these foundation skills ...

Interactive resource

Number trains: skip counting

Arrange train carriages according to numbers on their sides. Identify the numbers that come before and after starting numbers. Work with numbers in the range 1–120. Practise 'skip counting' by twos, fives and tens. For example, 'skip count' by five to arrange four carriages into the order 12, 17, 22, 27. This learning object ...

Teacher resource

Tens and ones - unit of work

This unit focuses on building basic foundation skills and developing an understanding of both what the number line means and the forward and backward number sequence. The students then progress to developing conceptual understandings of place value, specifically tens and ones.

Collection

Exploring addition and subtraction

This collection contains 12 digital curriculum resources from the 'Counting beetles' and 'Number trains' series. The collection includes two categories of counting strategies: counting on and back, to give students practice in counting on or back from any number up to 120; and counting using number representations. A third ...

Teacher resource

Adding and subtracting - unit of work

In this unit of work, students are introduced to addition and subtraction using the strategies of counting on and counting back.

Collection

Mixed-Up Maths

Join our host, Ed, as he finds himself in all types of situations where only his knowledge of Maths can help him. From saving the planet from Aliens, to creating a superhero that can stop a strawberry milkshake tidal wave. From searching for buried treasure, to jumping like a daredevil, or planning the greatest circus party ...