Smaller units for accuracy
Choose a smaller uniform informal unit when a measurement needs to be more accurate, recognising that a smaller unit gives a larger count, for length, mass and capacity
Lesson
Set out your lesson
“Smaller units for accuracy means practising the idea at the table with counters or paper models and one clear check. We will demo once, then your child tries.”
Bring to the table
- Ruler, cup, or clock as fits the topic
- Paper for recording
Extra for the adult
Worked example. Measure a pencil as about 15 cm and write the unit with the number.
Optional challenge. For Smaller units for accuracy, add one harder example after success.
What to notice. Keep one parent note: examples tried; results; support used. This session samples Smaller units for accuracy, not mastery.
Share and support
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Teaching approaches
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1 approach
Smaller units for accuracy 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: Ruler, cup, or clock as fits the topic; Paper for recording. Adult measures one example and records the unit. Child makes three measurements or time/money readings and records each with units. Done: three recordings with correct units. Stop after the fresh check; keep optional challenge for another day.
Family records and proof options
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Practice this concept
Start practiceSmaller units for accuracy practice
Practice key ideas from Smaller units for accuracy.
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Learning resources
Extra practice links — they do not replace Gakuva’s teaching approach.
BBC Bitesize · Practice link — not the full lesson
KS3 Maths
Before you open · source notes
KS3 Maths supports Smaller units for accuracy. An adult previews and guides; this is a learning page, not a scored quiz.
Free educational page, no sign-in required for the tested path.
Before you openAsk the learner one fact they learned and one question they still have.
Opening this link does not save learning or assess mastery.
Source, access and review notes
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. “KS3 Maths.” External page; Gakuva does not copy, host, embed, or redistribute materials.
Unknown — link only
Check understanding
- Measure a book with pencils (about 2) and then with paperclips (about 9) and explain why the paperclip count is bigger
- Choose teaspoons instead of cups to measure how much a small glass holds and explain why
- Explain why '3 and a bit hand spans' is less accurate than measuring the same table in counting cubes
“If your child measures a book with pencils and gets 'about 2', can they see that using smaller paperclips would give a more exact measurement — and a bigger number?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Measurement
- Age range
- Ages 7–9
Standards