Two-box puzzleYear 4 Maths · T2 W11–12 · Ordinary / C15
Source review complete · local suitability still needs review.
A
176
B
430
Id
C15
Job
equality
Reason
Compute known side before missing part.
Complete source
An invented equation is 176+□=400+30.
Status
Original fictional ordinary practice; teach source/help before any own application.
Title
Two-box puzzle
After own work: adult practice possibility
254; 176+254=430.
About this resource
Reviewed source editionSource 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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