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Free Grade 3 LCM Assignments

Free Grade 3 assignments for LCM. Assessed tasks with submission criteria and rubrics. LCM is a unit of teaching within Factors and Multiples, usually two to four weeks of lessons with one assessment point.

Price

Free

Difficulty

Foundation

Estimated time

35 min

Total marks

20

Learning objectives

Every objective is checkable, and each one maps to an activity and an assessment.

  • RememberIdentify lcm

    Identify lcm accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • RememberIdentify lcm

    Identify lcm independently in an unfamiliar context.

    Assessed by: Marked worksheet with a marking scheme

  • UnderstandExplain lcm

    Explain lcm accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • UnderstandExplain lcm

    Explain lcm independently in an unfamiliar context.

    Assessed by: Marked worksheet with a marking scheme

  • EvaluateExplain lcm

    Explain the reasoning behind lcm using correct vocabulary.

    Assessed by: Extended written response, levelled

  • ApplyCalculate lcm

    Calculate lcm accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • ApplyCalculate lcm

    Calculate lcm independently in an unfamiliar context.

    Assessed by: Marked worksheet with a marking scheme

  • AnalyseCompare lcm

    Compare lcm accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • AnalyseCompare lcm

    Compare lcm independently in an unfamiliar context.

    Assessed by: Marked worksheet with a marking scheme

  • EvaluateCompare lcm

    Explain the reasoning behind lcm using correct vocabulary.

    Assessed by: Extended written response, levelled

Prerequisites

Close these gaps first — each has its own free lesson, worksheet and quiz.

Core explanation

Unit definition used across every free resource for this entity.

LCM is a unit of teaching within Factors and Multiples, usually two to four weeks of lessons with one assessment point.

This assignments sequences the idea from recognition through understanding and application to reasoning and mastery, so a learner can start anywhere on the ladder.

Worked examples

Worked example 1

Apply LCM in a routine context.

  1. Read the problem and name what LCM is being used for.
  2. Set out the method exactly as modelled in the lesson.
  3. Complete the calculation or reasoning step by step.
  4. Check the answer against an estimate or the original condition.
Worked example 2

Apply LCM in a multi-step context.

  1. Read the problem and name what LCM is being used for.
  2. Set out the method exactly as modelled in the lesson.
  3. Complete the calculation or reasoning step by step.
  4. Check the answer against an estimate or the original condition.
Worked example 3

Apply LCM in a unfamiliar context.

  1. Read the problem and name what LCM is being used for.
  2. Set out the method exactly as modelled in the lesson.
  3. Complete the calculation or reasoning step by step.
  4. Check the answer against an estimate or the original condition.

Interactive practice

Free, no account required — answer on screen or print it.

Common mistakes

The misconceptions stored on this entity, with the correction to give.

  • Confident students rush lcm and skip the checking step.

    Correction: Build in an estimate-before-solve routine so an unreasonable answer stands out.

  • Learners over-generalise a special case of lcm to every situation.

    Correction: Present a deliberate non-example and ask why the rule fails.

Teacher tips

  • · Model LCM once in full before releasing any independent practice.
  • · Use the misconception list below as your live marking checklist.
  • · Exit ticket: three items, one from each difficulty band.

Parent tips

  • · Ask your child to explain LCM back to you in their own words.
  • · Two short sessions beat one long one — ten minutes is plenty.
  • · If they stall, drop to the prerequisite below rather than repeating the same question.

Real-life applications

  • · LCM in everyday measurement, money and time.
  • · LCM inside later unit work in math.
  • · LCM in exam questions that hide the method inside a story.

Assessment objectives

How mastery is evidenced, and which standards it maps to.

IB IB-387.1 — Mapped statement covering LCM.EDEXCEL EDE-194.2 — Mapped statement covering LCM.

Every free resource for LCM

One concept, one ecosystem — all of it free.

Goes deeper

The entities below this one, each with the same complete free resource set.

Sibling concepts

Related concepts

Lateral links, including across subjects.

Next topics

All free formats for this concept

Every kind below is a real page, generated from this entity.

Frequently asked

Is this Grade 3 LCM assignments really free?
Yes. Every assignments on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
What should a learner already know before this?
Start with HCF, Prime Factorisation, Proportion. Each one has its own free lesson, worksheet and quiz.
How is the assignments sequenced?
Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
What comes next after LCM?
Move on to Whole Numbers, Counting, Number Recognition, Number Formation, which build directly on this idea.

Related resources

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