Year 4 / Mathematics / Term 2 / Weeks 11 12 / Ordinary
Development draft · local review needed
Source review complete · local suitability still needs review.
176
430
C15
equality
Compute known side before missing part.
An invented equation is 176+□=400+30.
Original fictional ordinary practice; teach source/help before any own application.
Two-box puzzle
254; 176+254=430.
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.
Exact source: 4648f91e381afcd8f44278b0cd20c1791389d9db · 2026-10-13. Source edition, roles and hashes
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Source: https://neuroforge.io/subjectnest/library/resources/year-4/mathematics/term-2/weeks-11-12/ordinary/C15-markdown · SubjectNest by NeuroForgeIO Pty Ltd · Keep the complete source and licence companions; item rights remain separate.