Try together: Model34 as3 tens4 ones; exchange one ten for10 ones:2 tens14 ones. Child chooses a different ordinary value and checks its total. Paper marks/words suffice; no money purchase or small-piece handling.
What this practises: Value-preserving partition. Keep actual child choices and adult handling/help separate. A few minutes or one question can be enough. No purchase, public sharing, personal information or returned activity is required.
Source review is complete for this two-week edition. Local suitability and classroom use still need review. Earlier candidate or pending-review words are retained in the original files; full-year coverage, translations and audio are not claimed.
Labels and search exclusions are distribution guidance; they do not authenticate or restrict access.
Keep these complete conditions with PDF, SVG, text and ZIP copies. PDFs use the complete separate source and licence companions below; the downloadable packets keep their declared companions.
Source: https://neuroforge.io/subjectnest/library/resources/year-2/mathematics-pack/term-1/weeks-09-10/source-approved82/family/home-47 · SubjectNest by NeuroForgeIO Pty Ltd · Keep the complete source and licence companions; item rights remain separate.