FreeMathWorksheet
FreeMathWorksheet

Interactive Worksheet

TN-CSCI-O-LVL-14905 · v1.-9

Core Rules of Data Representation

O Level · Computer Science · Data Representation · College Board (AP/SAT)

Grade

O Level

Subject

Computer Science

Topic

Data Representation

Subtopic

Core Rules of Data Representation

Curriculum

College Board (AP/SAT)

Difficulty

Core

Time

20 minutes

Total marks

54

Student name

Teacher name

Date

Learning objectives

  • Recognise core rules of data representation accurately in computer science contexts.
  • Explain the underlying rule of core rules of data representation in the student's own words.
  • Apply core rules of data representation to multi-step and unfamiliar problems.
  • Justify a chosen method and identify errors in another student's work.

Skills assessed

  • Fluency and recall
  • Method and setting out
  • Reasoning and justification
  • Problem solving in context
  • Self-assessment

Instructions

  1. Write your name, your teacher's name and the date in the header.
  2. Answer every question in the space provided. Continue on the back if needed.
  3. Show all working — method marks are awarded even when the final answer is wrong.
  4. Aim to finish in about 20 minutes.
  5. Complete the reflection box at the end before you hand the sheet in.

Warm-up

Bloom: Remember · 4 marks

Answer quickly. These check you are ready for the topic.

  1. 1.State one fact you already know about core rules of data representation.

    [1]
  2. 2.Write down one fact you already know about core rules of data representation.

    [1]
  3. 3.Write down one fact you already know about core rules of data representation.

    [1]
  4. 4.Name one fact you already know about core rules of data representation.

    [1]

Recall

Bloom: Remember · 4 marks

Complete from memory. No calculator, no notes.

  1. 1.Define the key term used in core rules of data representation described here: item 1.

    [1]
  2. 2.List the key term used in core rules of data representation described here: item 2.

    [1]
  3. 3.Label the key term used in core rules of data representation described here: item 3.

    [1]
  4. 4.Label the key term used in core rules of data representation described here: item 4.

    [1]

FreeMathWorksheet · TN-CSCI-O-LVL-14905 · v1.-9

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 1 of 4

FreeMathWorksheet · O Level Computer Science

Core Rules of Data Representation

Basic Practice

Bloom: Understand · 5 marks

Work through each item. Show the step you used.

  1. 1.Complete part 1 using the rule for core rules of data representation.

    [1]
  2. 2.Complete part 2 using the rule for core rules of data representation.

    [1]
  3. 3.Match part 3 using the rule for core rules of data representation.

    [1]
  4. 4.Identify part 4 using the rule for core rules of data representation.

    [1]
  5. 5.Match part 5 using the rule for core rules of data representation.

    [1]

Guided Practice

Bloom: Understand · 8 marks

The first step is given. Finish the reasoning.

  1. 1.Using the first step given, finish part 1. Step 1 has been started for you.

    [2]
  2. 2.Using the first step given, finish part 2. Step 1 has been started for you.

    [2]
  3. 3.Using the first step given, finish part 3. Step 1 has been started for you.

    [2]
  4. 4.Using the first step given, finish part 4. Step 1 has been started for you.

    [2]

FreeMathWorksheet · TN-CSCI-O-LVL-14905 · v1.-9

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 2 of 4

FreeMathWorksheet · O Level Computer Science

Core Rules of Data Representation

Independent Practice

Bloom: Apply · 10 marks

No scaffolding. Set out your full method.

  1. 1.Calculate part 1 on core rules of data representation without help.

    [2]
  2. 2.Solve part 2 on core rules of data representation without help.

    [2]
  3. 3.Solve part 3 on core rules of data representation without help.

    [2]
  4. 4.Calculate part 4 on core rules of data representation without help.

    [2]
  5. 5.Determine part 5 on core rules of data representation without help.

    [2]

Challenge Questions

Bloom: Analyse · 9 marks

Harder items. Attempt every one, even partially.

  1. 1.Find and justify the statement in part 1 about core rules of data representation.

    [3]
  2. 2.Prove the statement in part 2 about core rules of data representation.

    [3]
  3. 3.Find and justify the statement in part 3 about core rules of data representation.

    [3]

FreeMathWorksheet · TN-CSCI-O-LVL-14905 · v1.-9

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 3 of 4

FreeMathWorksheet · O Level Computer Science

Core Rules of Data Representation

Real-life Application

Bloom: Apply · 6 marks

Use the skill in context. State units in your answer.

  1. 1.In context, work out a real computer science situation that depends on core rules of data representation.

    [3]
  2. 2.Apply a real computer science situation that depends on core rules of data representation.

    [3]

Critical Thinking

Bloom: Evaluate · 8 marks

Explain your reasoning in full sentences.

  1. 1.Compare and justify a student's method for core rules of data representation is or is not efficient.

    [4]
  2. 2.Compare and justify a student's method for core rules of data representation is or is not efficient.

    [4]

Reflection

Bloom: Create · 0 marks

Not marked. Answer honestly — this guides your next worksheet.

  1. 1.Reflect on how confident you feel with core rules of data representation and what you will practise next.

    [—]
  2. 2.Record how confident you feel with core rules of data representation and what you will practise next.

    [—]

FreeMathWorksheet · TN-CSCI-O-LVL-14905 · v1.-9

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 4 of 4