# YEAR 4 MATHS FOCUS

## NUMBERS AND ALGEBRA

Whole Numbers

Learning Experiences

Whole Numbers

## WHOLE NUMBERS

OUTCOME

A student:

MA2-4NA: applies place value to order, read and represent numbers of up to five digits

TEACHING POINTS | The convention for writing numbers of more than four digits requires that numerals have a space (and not a comma) to the left of each group of three digits when counting from the units column, eg 16 234. No space is used in a four-digit number, eg 6234. |

Language | Students should be able to communicate using the following language: number before, number after, more than, greater than, less than, largest number, smallest number, ascending order, descending order, digit, zero, ones, groups of ten, tens, groups of one hundred, hundreds, groups of one thousand, thousands, place value, round to. |

The word ‘and’ is used between the hundreds and the tens when reading and writing a number in words, but not in other places, eg 3568 is read as ‘three thousand, five hundred and sixty-eight’. | |

The word ’round’ has different meanings in different contexts, eg ‘The plate is round’, ‘Round 23 to the nearest ten’. |

## Expectations of Attainment

Recognise, represent and order numbers to at least tens of thousands(ACMNA072) | apply an understanding of place value to read and write numbers of up to five digits |

arrange numbers of up to five digits in ascending and descending order | |

state the place value of digits in numbers of up to five digits | |

– pose and answer questions that extend understanding of numbers, eg ‘What happens if I rearrange the digits in the number 12 345?’, ‘How can I rearrange the digits to make the largest number?’ (Communicating, Reasoning) | |

use place value to partition numbers of up to five digits and recognise this as ‘expanded notation’, eg 67 012 is 60 000 + 7000 + 10 + 2 | |

partition numbers of up to five digits in non-standard forms, eg 67 000 as 50 000 + 17 000 | |

round numbers to the nearest ten, hundred, thousand or ten thousand |

Learning Experiences

To be added