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reSolve: Counting Large Collections

This lesson engages students in investigating how to count a large number of objects. Students are encouraged to think of efficient counting strategies and effective ways to keep track of their count. They explore unitising, leading to an opportunity to explore the patterns formed and build an understanding of place value. The lesson is outlined in detail including curriculum links, vocabulary, materials needed, discussion points and extension activities. This sequence is part of the reSolve: Mathematics by Inquiry program.

Additional details

Year level(s) Year 2
Audience Teacher
Purpose Teaching resource
Format Downloadable resources
Teaching strategies and pedagogical approaches Mathematics investigation
Keywords counting, place value, unitising

Curriculum alignment

Curriculum connections Numeracy
Strand and focus Number, Build understanding, Apply understanding
Topics Properties of number, Operating with number
AC: Mathematics content descriptions
ACMNA028 Group, partition and rearrange collections up to 1000 in hundreds, tens and ones to facilitate more efficient counting
National numeracy learning progression Quantifying numbers - QuN6

Copyright details


reSolve Maths by Inquiry


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