A directory of useful objects found on the web for teaching Maths.
Group, partition and rearrange collections up to 1000 in hundreds, tens and ones to facilitate more efficient counting (ACMNA028) * using an abacus to model and represent numbers * understanding three-digit numbers as comprised of hundreds, tens and ones/units * demonstrating and using models such as linking blocks, sticks in bundles, place-value blocks and Aboriginal bead strings and explaining reasoning