Converting measurement units
Convert between related measurement units using their unit relationship and the relative sizes of the units to choose multiplication or division. Handle whole-number and decimal measurements at the task’s specified precision, including three-decimal-place examples, compound measures and reverse conversions with remainders; explain equivalents and record them in conversion tables. Include metric length, mass and capacity, and time relationships (hours/minutes, minutes/seconds, years/months and weeks/days), distinguishing fixed rates from variable month lengths.
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Converting measurement units means practising the idea at the table with counters or paper models and one clear check. We will demo once, then your child tries.
Materials: Place-value grid (ones / tenths); Pencil. Adult shows 0.3 as three tenths on the grid. Child builds three decimal amounts on the grid and reads them aloud. Done: three correct decimal readings. Stop after the fresh check; keep optional challenge for another day.
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BBC Bitesize · Practice link — not the full lesson
KS2 Maths
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KS2 Maths supports Converting measurement units. An adult previews and guides; this is a learning page, not a scored quiz.
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Before you openAsk the learner one fact they learned and one question they still have.
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Public BBC Bitesize page. An anonymous GET on 2026-11-12 returned HTTP 200 with no login or payment prompt for this URL. Opening the link does not save practice or assess mastery. An adult should preview and guide the learner.
BBC Bitesize. “KS2 Maths.” External page; Gakuva does not copy, host, embed, or redistribute materials.
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Check understanding
- Convert 3.25 kg to 3250 g and 45 cm to 0.45 m, explaining why the count grows or shrinks; convert 5 g to 0.005 kg without adding or deleting zeros mechanically
- Convert 2 hours 35 minutes to 155 minutes and 150 seconds to 2 minutes 30 seconds, preserving the mixed part or remainder and explaining why the rate is 60 rather than 100
- Convert 8 weeks 3 days to 59 days and 2 years 3 months to 27 months; explain why an unspecified month cannot be converted to one fixed number of days
- Build and interpret a two-column equivalence table for cm and mm, explain the factor, and use the same relationship to convert in either direction
- Convert 2.5 hours to 9000 seconds through minutes, tracking the unit at each step and checking by reversing the conversion
“Can your child explain and show how to turn 3.25 kg into grams and 45 cm into metres, change 2 hours 35 minutes into minutes and 150 seconds into minutes and seconds, and make a small cm-to-mm conversion table? Ask how they chose each operation, kept any remainder, and why a month does not always have the same number of days.”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Measurement
- Age range
- Ages 8–13
Standards