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Place value: numbers to 20, 50 and 100
This guide provides a sequence of steps for building place value understanding, from exploring two-digit numbers in terms of their parts through to fostering reasoning and problem-solving with worded problems.
Additional details |
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Year level(s) | Year 1, Year 2 |
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Audience | Teacher |
Purpose | Teaching resource, Teaching strategies |
Format | Downloadable resources |
Teaching strategies and pedagogical approaches | Questioning, Concrete Representational Abstract model, Explicit teaching |
Keywords | place value, place value chart, base 10, counting, comparing numbers, ordering numbers, skip-counting, number line, ten frame, reasoning, problem-solving, explicit teaching |
Curriculum alignment |
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Curriculum connections | Numeracy |
Strand and focus | Number, Build understanding |
Topics | Addition and subtraction, Place value |
AC: Mathematics (V9.0) content descriptions |
AC9M1N01
Recognise, represent and order numbers to at least 120 using physical and virtual materials, numerals, number lines and charts
AC9M1N03
Quantify sets of objects, to at least 120, by partitioning collections into equal groups using number knowledge and skip counting
AC9M2N04
Add and subtract one- and two-digit numbers, representing problems using number sentences and solve using part-part-whole reasoning and a variety of calculation strategies |
Numeracy progression |
Number and place value (P4, P5)
Counting processes (P6) Additive strategies (P7) |
Copyright details |
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Organisation | White Rose Maths |
Copyright | © 2021 White Rose Maths. Free-for-education material. |
Related resources
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Let’s talk 1
A video for students that explores various strategies for solving a subtraction problem.
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Let's talk 4: part 1
A video for students that explores different strategies for adding three numbers together.
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Which one doesn’t belong? 1
A video demonstrating the 'Which one doesn't belong?' maths talk routine.
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Race to zero
A partner game where players practise subtraction and draw on their knowledge of place value.
Resource details