The illustrative horizontal scale has marks 0,50,100,150,200,250,300,350,400,450,500 g; labels every 100 g. Arrow points at 150 g. Empty tray 90 g; tray plus counters 310 g; counters 310 − 90 = 220 g. Inverse 90 + 220 = 310 g. All are supplied readings, not performed weighing. Adult checks stable suitable real scale/units/increments/zero or tare. No body weighing. Colour is decorative. Original CC BY 4.0.
Year 3 / Mathematics Pack / Term 1 / Weeks 05 06 / Source / Aids
Development draft · local review needed
MODEL mass — complete wordsYear 3 Maths · T1 W5–6 · Source text / Aids / Model mass alternative
Source review complete · local suitability still needs review.
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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: 95323884b9050c38dcc293971eb35fdfabdb578b · 2026-10-08. Source edition, roles and hashes
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