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Practice Worksheet

TN-CSCI-GR3-71363 · v2.-2

Core Rules of Boolean Logic

Grade 3 · Computer Science · Boolean Logic · OCR

Grade

Grade 3

Subject

Computer Science

Topic

Boolean Logic

Subtopic

Core Rules of Boolean Logic

Curriculum

OCR

Difficulty

Core

Time

30 minutes

Total marks

46

Student name

Teacher name

Date

Learning objectives

  • Recognise core rules of boolean logic accurately in computer science contexts.
  • Explain the underlying rule of core rules of boolean logic in the student's own words.
  • Apply core rules of boolean logic 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 30 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.Write down one fact you already know about core rules of boolean logic.

    [1]
  2. 2.State one fact you already know about core rules of boolean logic.

    [1]
  3. 3.State one fact you already know about core rules of boolean logic.

    [1]
  4. 4.Name one fact you already know about core rules of boolean logic.

    [1]

Recall

Bloom: Remember · 4 marks

Complete from memory. No calculator, no notes.

  1. 1.Complete the key term used in core rules of boolean logic described here: item 1.

    [1]
  2. 2.Label the key term used in core rules of boolean logic described here: item 2.

    [1]
  3. 3.Define the key term used in core rules of boolean logic described here: item 3.

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

    [1]

FreeMathWorksheet · TN-CSCI-GR3-71363 · v2.-2

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Page 1 of 4

FreeMathWorksheet · Grade 3 Computer Science

Core Rules of Boolean Logic

Basic Practice

Bloom: Understand · 5 marks

Work through each item. Show the step you used.

  1. 1.Identify part 1 using the rule for core rules of boolean logic.

    [1]
  2. 2.Identify part 2 using the rule for core rules of boolean logic.

    [1]
  3. 3.Work out part 3 using the rule for core rules of boolean logic.

    [1]
  4. 4.Identify part 4 using the rule for core rules of boolean logic.

    [1]
  5. 5.Identify part 5 using the rule for core rules of boolean logic.

    [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.Complete the method for 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-GR3-71363 · v2.-2

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

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FreeMathWorksheet · Grade 3 Computer Science

Core Rules of Boolean Logic

Independent Practice

Bloom: Apply · 10 marks

No scaffolding. Set out your full method.

  1. 1.Determine part 1 on core rules of boolean logic without help.

    [2]
  2. 2.Determine part 2 on core rules of boolean logic without help.

    [2]
  3. 3.Determine part 3 on core rules of boolean logic without help.

    [2]
  4. 4.Solve part 4 on core rules of boolean logic without help.

    [2]
  5. 5.Work out fully part 5 on core rules of boolean logic 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 boolean logic.

    [3]
  2. 2.Deduce the statement in part 2 about core rules of boolean logic.

    [3]
  3. 3.Show that the statement in part 3 about core rules of boolean logic.

    [3]

FreeMathWorksheet · TN-CSCI-GR3-71363 · v2.-2

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

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FreeMathWorksheet · Grade 3 Computer Science

Core Rules of Boolean Logic

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 boolean logic.

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

    [3]

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 boolean logic and what you will practise next.

    [—]
  2. 2.Describe how confident you feel with core rules of boolean logic and what you will practise next.

    [—]

FreeMathWorksheet · TN-CSCI-GR3-71363 · v2.-2

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

Page 4 of 4