Mathematics / Year 2 / Number and Algebra / Number and place value

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

Investigate number sequences, initially those increasing and decreasing by twos, threes, fives and tens from any starting point, then moving to other sequences (ACMNA026)

Elaborations
  • developing fluency and confidence with numbers and calculations by saying number sequences
  • recognising patterns in number sequences, such as adding 10 always results in the same final digit
General capabilities
  • Numeracy Numeracy
  • Critical and creative thinking Critical and creative thinking
ScOT terms

Skip counting,  Arithmetic sequences

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12 direct matches to ACMNA026 | 8 other related resources
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Video

MathXplosion, Ep 6: Zero the hero

  • TLF-IDM024939

What is the role of zero as a placeholder for large numbers such as 1 million, 1 billion and 1 trillion? Find out about the notion of place value and powers of ten through the act of bead counting.

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Interactive

Wishball: hundreds

  • TLF-IDL8456

Test your understanding of place value with three-digit numbers. Start with a three-digit whole number such as 507. A spinner provides a randomly generated digit. Choose its place value and add it to (or subtract it from) your starting number. Work towards a given target number, say 539, using other digits. You can choose ...

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Interactive

Number trains

  • TLF-IDL2317

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 ...

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Interactive

Musical number patterns: musical times

  • TLF-IDL1065

Make some music by building up rhythms from four instruments. Make a counting rule that matches a pattern on a number line. Select the start number and then select a number to count by. For example, describe a sound pattern where a saxophone waits on the first note, and then plays on every eighth note. Add a second number ...

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Text

Pass The Count - Calculate

  • TLF-IDA004357

This game allows students to practice their skip counting skills in small groups.

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Text

See & Say - Calculate

  • TLF-IDA004310

This class warm-up game focuses on practising addition and subtraction strategies and developing algebraic thinking by using a rule applied to a list of numbers.

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Space Race Game (Introducing Algorithmic Thinking) - Calculate

  • TLF-IDA004304

Space Race is a simple board game that teachers can use to introduce the concept of algorithmic sequencing to students. The teaching points provided with the game assist teachers to introduce the use of an algorithm (a simple set of mathematical instructions) to describe the trajectory of an object across a grid plane from ...

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Text

Next Ten - Calculate

  • TLF-IDA004272

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.

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Downloadable

Algebra: Foundation to Year 9

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This comprehensive resource describes the progression of algebra-related ideas and algebraic thinking. The resource demonstrates examples of relevant teaching strategies, investigations, activity plans and connected concepts in algebra including teaching and cultural implications.

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Downloadable

Understanding Australian coins

  • TLF-IDA002782

This lesson is about Australian coins, their features, and their value. During the lesson, students explore what Australian coins look like, their value and their purpose. They identify and describe the features and value of Australian coins and make simple calculations using coins.

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Text

Whisper Whisper Loud - Calculate

  • TLF-IDA004348

This game explores number sequences and practises skip counting.

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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.

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Video

BTN: What is an abacus?

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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?

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Video

Numbers Count: Multiply two numbers to get twenty!

  • TLF-IDM020067

Did you know that 5 times 4 equals 20? Did you also know that there are other numbers you can multiply to get to 20? See if you can come up with at least two other numbers.

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Video

Nine times table

  • TLF-IDM020295

Learning the times tables can be hard! Watch this neat trick to learn the nine times table using just your fingers. See if you can solve 9 times 6 using this trick.

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Interactive

Greatest Of All Thieves (Estimating and subitising)

  • TLF-IDA003065

Gasp! The goat burglars robbed the piggy bank and stole all the pig's money! As a team, use subitising to estimate how big the heist is and recover the fortune from those greedy goats. Then, use number sentences to explain your thinking. Mathematical ideas and strategies this game supports: - Estimate the total of a collection ...

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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 ...

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Partitioning: One is a snail, ten is a crab - Calculate

  • TLF-IDA004279

This activity provides students with an opportunity to partition numbers in different ways. Partitioning is an important concept as it allows numbers to be broken up so that they’re easier to use.

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Addition and Subtraction - Calculate

  • TLF-IDA004282

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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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.

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