Mathematics - Primary 4 - Counting up to 1000 in Roman Numerals (I to M)

Counting up to 1000 in Roman Numerals (I to M)

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  4. Counting up to 1000 in Roman Numerals (I to M)

Term: 1st Term

Week: 5

Class: Primary 4
Age: 9 years
Duration: 40 minutes of 5 periods
Date:
Subject: Mathematics
Topic:

  • Counting up to 1000 in Roman Numerals (I to M)
  • Reading clock faces with Roman Numerals
  • Converting Arabic numerals to Roman numerals and vice versa
  • Quantitative reasoning on Roman numerals

SPECIFIC OBJECTIVES:

By the end of the lesson, pupils should be able to:

  1. ) Identify and write Roman numerals up to 1000
  2. ) Read and tell time on clock faces with Roman numerals
  3. ) Convert Roman numerals to Arabic numerals and vice versa
  4. ) Solve simple quantitative reasoning involving Roman numerals

INSTRUCTIONAL TECHNIQUES:

Explanation, demonstration, questioning, repetition, real-life objects

INSTRUCTIONAL MATERIALS:

  • Roman numeral charts
  • Toy clocks and wall clocks with Roman faces
  • Flashcards with numerals
  • Worksheets and puzzles

 

PERIOD 1 and 2

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1: INTRODUCTION

Shows Roman numeral chart and asks if pupils have seen Roman numerals before (e.g., on clocks or books)

Share what they know or have seen

STEP 2: EXPLANATION

Explains the main Roman numerals: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000

Listen and repeat after teacher

STEP 3: DEMONSTRATION

Writes examples on board and explains rules: I before V or X means subtraction (IV = 4); I after V or X means addition (VI = 6)

Participate by reading and matching

STEP 4: NOTE TAKING

Guides students to copy a Roman numeral table from I to M

Copy into notebooks

NOTE:

  • Roman Numerals do not use “0”
  • Repetition: II = 2, XX = 20
  • Subtraction: IX = 9, XL = 40, CM = 900

EVALUATION:

  1. What is the Roman numeral for 8?
  2. Write these in Roman numerals: 12, 55, 99

CLASSWORK: As in evaluation
ASSIGNMENT:

  • Convert the following: 70, 100, 400, 500, 1000
  • Write the first 20 Roman numerals

CONCLUSION: The teacher commends the pupils positively

PERIOD 3 and 4

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1: INTRODUCTION

Shows a clock with Roman numerals and asks pupils what they observe

Describe what they see

STEP 2: EXPLANATION

Teaches how to read the time using Roman numerals on a clock face

Ask and answer questions

STEP 3: DEMONSTRATION

Uses toy clock to show time (e.g., III = 3 o’clock, VI = 6 o’clock)

Come out and try time telling

STEP 4: NOTE TAKING

Pupils copy sample clock faces and their corresponding times

Draw and write in notebooks

NOTE:

  • Clocks often use Roman numerals from I to XII
  • Practice reading: V = 5, IX = 9, XI = 11

EVALUATION:

  1. What time is shown on the clock if the short hand is at VII?
  2. Draw a clock and label it with Roman numerals

CLASSWORK: As in evaluation
ASSIGNMENT:

  • Draw 2 clock faces with times: 3:00 and 6:00 in Roman numerals
  • Match:
    a. X = __
    b. L = __
    c. C = __

CONCLUSION: The teacher commends the pupils positively

 

PERIOD 5

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1: INTRODUCTION

Recaps the entire week's lesson on Roman numerals and conversions

Respond and ask questions

STEP 2: EXPLANATION

Introduces basic quantitative reasoning using Roman numerals (e.g., I + II = III)

Try to solve along

STEP 3: DEMONSTRATION

Solves examples like: V + IV = IX; XX - X = X

Participate actively

STEP 4: NOTE TAKING

Pupils write 5 sample problems involving Roman numerals

Copy and try their own examples

NOTE:
Use Roman numeral logic to solve simple addition/subtraction

EVALUATION:

  1. V + VI = ?
  2. What is L - X?
  3. Fill in the blanks:
    ___ + ___ = X
    b. M = ___

CLASS ACTIVITY: Roman Numeral Puzzle Race
CLASSWORK: As in evaluation
ASSIGNMENT:

  • Solve:
    a. XII + VIII = ?
    b. XX - XI = ?
    c. Convert: 90, 60, 15 to Roman numerals

CONCLUSION: The teacher commends the pupils positively