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Course 79 · Work course 32

Inventory and Order Operations

Keep stock records accurate, resolve count differences, and work out when to reorder.

Before you start

Create a paper notebook or a blank local document with six numbered sections; software and an online account are optional.

See everything you’ll need
What you’ll leave with

Checked practice stock records, an order plan, and a reasoned recommendation for when to reorder.

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 the practice worksheetUse the downloadable worksheet or toolkit alongside the lesson instructions.
  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 14+ exploring stockroom, order-desk, retail operations or community-supply coordination.

Prepare before lesson one
  • Create a paper notebook or a blank local document with six numbered sections; software and an online account are optional.
  • Use the complete fictional organization, figures and task cards in each lesson; no real workplace access, personal records or outreach is needed.
  • Plan about 155 minutes of active reading and practice across six lessons; two lessons weekly provides three-week pacing. Copy each lesson output forward; an optional extra five minutes can test a second fictional case.
Your final project

Finish with proof you can use.

Collect and revise all six lesson outputs into one fictional stock-control file. Include delivery records, checks of counted stock against recorded stock, order preparation and release, reorder calculations, and an accuracy review. Label the file as fictional practice.

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

  • Create a stock master with distinct SKUs and consistent units.
  • Match the receipt and show accepted versus held quantities.
  • Document a count variance, investigation and authorized adjustment.
  • Record allocation, pick correction and verified release without double subtraction.
  • Include replenishment calculations and a final stock-trail accuracy review.

Review and revise

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

  • Accuracy: amounts, classifications and decisions agree with the supplied evidence and stated assumptions.
  • Reasoning: each important choice names the rule, observation or comparison that supports it.
  • Responsible scope: the packet protects information, respects authority limits and routes unresolved concerns appropriately.
  • Usability: a new reader can follow the ordered lesson outputs, identify ownership and see what is complete or still uncertain.
Three ideas to help you along the way
Three useful ideas

The rules behind the steps.

01

Count the same thing

Keep SKU, location, unit and stock status consistent.

02

Hold exceptions visibly

Damaged or uncertain goods remain separate from usable stock.

03

Tie movements to evidence

Every receipt, issue and adjustment has a documented reason.

What do these words mean?
Key words

Key terms worth knowing.

SKU
An internal identifier for a distinct stock item or variant.
Usable stock
Accepted goods available for allocation before other commitments.
Reservation
Stock committed to an order but not yet physically issued.
Variance
The difference between an observed count and its corresponding record.
Reorder point
The planning level that triggers replenishment under a stated rule.
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

    Create an unambiguous stock list

    Distinguish item variants, storage locations and counting units.

  2. 2
    24 min

    Receive an order without hiding damage or shortages

    Compare the order, delivery note and received condition.

  3. 3
    26 min

    Investigate a stock count difference

    Calculate a count variance and document an authorized correction.

  4. 4
    28 min

    Allocate and verify an order before release

    Track reserved stock and check a fictional pick against the order.

  5. 5
    24 min

    Calculate when and how much to reorder

    Use demand, lead time and safety stock to calculate a reorder point.

  6. 6
    31 min

    Audit the stock trail and order accuracy

    Assemble a consistent inventory packet and identify one accuracy control.

Use the tools

Tools to help you practice.

See all tools
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.

O*NET OnLine — Shipping, Receiving, and Inventory Clerks
Source & access notes · checked 2026-09-10

Opened and read shipment verification, discrepancy recording, stock records and routing tasks. Machine use and physical handling listed by the occupation are outside this course.

Access: Free page readable without an account; optional further study only.

Reuse: Reference for original Life Starter instruction. Free access does not grant unrestricted reuse; no source exercises, logos or syllabi are copied. Check the source license before redistributing its material.

OpenStax, Rice University — Production and Operations Control
Source & access notes · checked 2026-09-10

Opened and read routing, workflow mapping, bottlenecks and scheduling in service and production settings. No textbook case studies or exercises are reproduced.

Access: Free page readable without an account; optional further study only.

Reuse: Reference for original Life Starter instruction. Free access does not grant unrestricted reuse; no source exercises, logos or syllabi are copied. Check the source license before redistributing its material.

OpenStax, Rice University — Resource Planning
Source & access notes · checked 2026-09-10

Opened and read inventory management, perpetual records, bills of material and supply disruptions. Original small-stock exercises simplify demand and exclude industrial equipment.

Access: Free page readable without an account; optional further study only.

Reuse: Reference for original Life Starter instruction. Free access does not grant unrestricted reuse; no source exercises, logos or syllabi are copied. Check the source license before redistributing its material.

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