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MathematicsMeasurementAges 10–11

Decimal place value

Convert among different-sized standard measurement units within a given system (e.g. 5 cm to 0.05 m) using decimal notation to up to three decimal places; convert between smaller and larger units of length, mass, volume, and time

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Teaching Table

Set out your lesson

Convert stated length, mass, volume and time units using the supplied unit facts. Explain the factor and direction.

Activity

Ask for 4.2 × 1000 and 420 ÷ 100: 4200 and 4.2. Ask whether a metre is larger than a centimetre. If these are unclear, revisit powers-of-ten calculation and the named metric conversion prerequisite. The unit-reference table stays available in every stage, including Try.

Policy

Check readiness directly. Prerequisite availability is not attainment.

Use these linked lessons over several short sessions. Start with the readiness check; if it is not secure, revisit the named prerequisites rather than treating source availability as learner readiness. Use Show, Guided, then Try. Read the active sheet on screen and answer on plain paper or by typing. No printer, cutting, purchase or internet is needed. The adult may read the exact prompt. Record any hints, scribing or calculation help. Oral explanations do not show independent reading or handwriting. Use extra space and time as needed; pause or split the lesson. Keep this adult guide and all keys private. Share only the active learner sheet. Before Try, put Show, Guided work and notes aside. Keep the Try givens available, including a unit table if supplied. Give no answer or target step during the first attempt. If help is needed, give it and mark the attempt supported. Review keys after the attempt. Record the actual response and help; do not invent success or infer mastery from one attempt. These are fictional paper or oral mathematics tasks. No personal information, public sharing, purchase, real transaction, physical experiment or real measurement is required.

Record the actual response and assistance. These tasks do not establish mastery.

Use the complete materials on screen or print only the current sheet. Keep adult guidance out of learner view. Retain an earlier model only when the current step supplies it as context.

Teaching limits and safe use

These are finite task opportunities, not proof of mastery. Record what was attempted and what support was used.

  • These are stated fictional measurements, not observed measurements. Practice samples length, mass, volume and hours/minutes; it does not cover every unit or time conversion. Try intentionally supplies unit facts, so it tests supported conversion, not recall of those facts.

Record the actual response and assistance. These tasks do not establish mastery.

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Selected Default Gakuva

Convert stated length, mass, volume and time units using the supplied unit facts. Explain the factor and direction.

Convert stated length, mass, volume and time units using the supplied unit facts. Explain the factor and direction.

Family records and proof options

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Check understanding

  • Convert 3,250 g to 3.25 kg using decimal notation
  • Convert 0.45 km to 450 m
  • Explain the relationship between mm, cm, m, and km using powers of 10
“If your child needs to convert 5 cm to metres and write the answer as a decimal, can they do it — and also convert 2.45 kg into grams?”

Curriculum record

Type
Procedural
Subject
Mathematics
Domain
Measurement
Age range
Ages 10–11