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Course 187 · Work course 57

Balance a Small Assembly Line on Paper

Build a paper assembly-station plan with precedence constraints, target cycle time, station assignments, calculated balance losses and a tested demand-change response.

Before you start

Paper or a local document and a basic calculator are enough; all required records are supplied.

Practical Math and Data for Work and Training See everything you’ll need

Free download · Original practice data · No external account required. Download the starter pack

What you’ll leave with

A paper assembly-station plan with precedence constraints, target cycle time, station assignments, calculated balance losses and a tested demand-change response.

Start course Start without an account. Sign in to save lesson progress across devices.

Your project

Start with the practice files. Build your project one lesson at a time.

Practice files are free without an account. Sign in to save your project record in My Proof: a description, checklist, and optional work link. Keep the original files in your own app or notebook; saving a project record does not upload them.

  1. Get your materialsDownload practice filesSupplied practice cases, a blank working record, complete lesson instructions, and annotated worked examples.
  2. Make your projectView the project checklist Work in your own notebook, document, or software. Use the supplied practice examples when you prefer.
  3. Keep a private recordSave a project record Sign in to save a description and checklist, then return to update them.
Course handbook

Know the route before you begin.

Here’s what you’ll need and what you’ll make. You can return to this guide during any lesson.

Who this is for

Learners ages 14+ exploring work and adults preparing for an entry-level or next-stage responsibility. Work eligibility, supervision and occupational requirements remain separate.

Prepare before lesson one
  • Paper or a local document and a basic calculator are enough; all required records are supplied.
  • Recommended preparation: Practical Math and Data for Work and Training. Use fictional information throughout.
Your final project

Finish with proof you can use.

A paper assembly-station plan with precedence constraints, target cycle time, station assignments, calculated balance losses and a tested demand-change response.

Save a project record in My Proof
See project checklist and review criteria

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Save a precedence map with five measured task durations; include the original-case decision evidence and a separate changed-case result.
  • Save the takt calculation with period and exclusions; include the original-case decision evidence and a separate changed-case result.
  • Save the three-station feasibility check against 90 sec; include the original-case decision evidence and a separate changed-case result.
  • Save capacity estimate separately from guaranteed delivery; include the original-case decision evidence and a separate changed-case result.
  • Record the rejected candidates and exact capacity reasons; include the original-case decision evidence and a separate changed-case result.
  • Assemble the precedence/takt/balance/sensitivity/trial packet; include the original-case decision evidence and a separate changed-case result.

Review and revise

Use these criteria to check your work and choose what to improve.

  • The final packet uses the supplied task-specific constraints and all six records agree.
  • Every result can be traced to an identifier, input, calculation or stated decision rule.
  • Changed-case practice updates dependent records and keeps holds or uncertainty visible.
  • The packet states the learner role, authority boundary and specific next verification needed before real work.
Three ideas to help you along the way
Three useful ideas

The rules behind the steps.

01

Match the task-specific constraint

A station assignment must respect task dependencies before balancing minutes; a later task cannot be moved ahead of its prerequisite.

02

Keep decisions traceable

Preserve the original records and identify which person or policy can authorize a change; a plausible assumption is not approval.

03

Test the handoff

A trial brief separates simulated evidence from what a supervisor must verify, including task variation and safe working conditions.

What do these words mean?
Key words

Key terms worth knowing.

Precedence
Required order of dependent tasks.
Takt time
Usable time per demanded unit for a defined period.
Cycle time
Time between modeled completions constrained by the busiest station.
Balance efficiency
Work content divided by station count times modeled cycle.
Bottleneck
The station limiting the modeled pace.
Your route

6 lessons.
One useful project.

Work in order the first time. Each lesson makes something the next lesson can use.

  1. 1
    Up next

    Map precedence and measured task time

    Save a precedence map with five measured task durations. Explain how a station assignment must respect task dependencies before balancing minutes; a later task cannot be moved ahead of its prerequisite.

  2. 2
    10 min

    Calculate demand pace with usable time

    Save the takt calculation with period and exclusions. Explain how takt time is available production time divided by demand for that same period; breaks and units must be handled consistently.

  3. 3
    15 min

    Assign tasks to stations without breaking precedence

    Save the three-station feasibility check against 90 sec. Explain how station load is the sum of its assigned tasks; every load must fit the chosen cycle and internal task order must remain feasible.

  4. 4
    13 min

    Measure bottleneck pace and balance efficiency

    Save capacity estimate separately from guaranteed delivery. Explain how the busiest station sets the modeled cycle; balance efficiency compares productive task time with total station-cycle time and does not represent product quality.

  5. 5
    13 min

    Test a revised balance and a slower observation

    Record the rejected candidates and exact capacity reasons. Explain how a promising average balance must be stress-tested with the actual task grouping and revised observations before it is recommended.

  6. 6
    15 min

    Write a bounded line-balance trial brief

    Assemble the precedence/takt/balance/sensitivity/trial packet. Explain how a trial brief separates simulated evidence from what a supervisor must verify, including task variation and safe working conditions.

Use the tools

Tools to help you practice.

See all tools
ZIP · practice files

Balance a Small Assembly Line on Paper practice files

Supplied practice cases, a blank working record, complete lesson instructions, and annotated worked examples.

Text worksheet

Your course project worksheet

A downloadable text worksheet with each lesson’s working output, space for your answers, and the shared final-project checklist. Save your own copy.

Source transparency

Sources and further study.

Explore the references behind the lessons and take your learning further. Source notes explain access and reuse.

43-5061.00 - Production, Planning, and Expediting Clerks
Source & access notes · checked 2026-10-01

Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

51-2092.00 - Team Assemblers
Source & access notes · checked 2026-10-01

Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

moodle.skills commons.org — view.php?id=30
Source & access notes · checked 2026-10-01

Public agency or educational context; no source exercises are copied and no simulated threshold is presented as an official rule. The direct-access limitation is preserved; official search-retrieved context supports the stated scope only.

Access: Official primary-page summary was available in web search; direct page retrieval was blocked in this environment. Full page and interactive operation are not claimed.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

Ready when you are

Start with the first useful move.

You’ll always know what to do, what to make, and where to go next.

Start lesson one