Mastering Roman Numerals from 1 to 500

Roman Numerals from 1 to 500 Lesson Plan

Subject: Mathematics
Class: Primary 4
Term: First Term
Week: 1
Age: 8-9 years
Topic: Roman Numerals from 1 to 500
Sub-topic: Writing and Reading Roman Numerals from 1 to 500
Duration: 40 minutes

Lesson Plan Outline

Behavioral Objectives:
By the end of the lesson, students should be able to:

1. Identify and write Roman numerals from 1 to 500.
2. Compare Roman numerals to Hindu-Arabic numerals (e.g., I = 1, X = 10, L = 50).
3. Convert selected Hindu-Arabic numbers to Roman numerals and vice versa.

Keywords:
Roman numerals, symbols, convert, identify, compare

Set Induction:
Begin with a short story about ancient Rome and how people used Roman numerals for counting. Ask if they’ve ever seen a clock with “I, II, III” instead of numbers.

Entry Behavior:
Students should know basic counting in Hindu-Arabic numerals.

Learning Resources and Materials:

• Roman numeral chart (1 to 500)
• Flashcards with Roman numerals and equivalent Hindu-Arabic numbers
• Practice worksheets for matching numerals

Building Background / Connection to Prior Knowledge:
Connect to previous knowledge of counting and place values.

Embedded Core Skills:

• Numeracy
• Critical thinking
• Problem-solving

Learning Materials:

• Whiteboard and markers
• Roman numerals poster

Reference Books:

• Lagos State Scheme of Work for Primary 4
• Primary 4 Mathematics Textbook

Instructional Materials:

• Roman numeral chart
• Markers and whiteboard

Lesson Content

Explanation of Roman Numerals from 1 to 500:

• I = 1, V = 5, X = 10, L = 50, C = 100, D = 500
• Examples of Roman numerals and how they are formed:
  • III = 3
  • XX = 20
  • LXXX = 80
  • CCL = 250

15 Fill-in-the-Blank Questions (with Options):

1. The Roman numeral for 1 is __. (a) X (b) I (c) V (d) L
2. L represents __ in Hindu-Arabic numerals. (a) 50 (b) 100 (c) 10 (d) 5
3. The number 100 in Roman numerals is __. (a) C (b) D (c) L (d) X
4. How do you write 10 in Roman numerals? (a) V (b) X (c) I (d) L
5. __ is the Roman numeral for 5. (a) V (b) L (c) X (d) C
6. CC in Roman numerals represents __. (a) 200 (b) 50 (c) 100 (d) 500
7. The numeral for 40 is written as __. (a) XL (b) L (c) C (d) XX
8. In Roman numerals, 300 is __. (a) CCC (b) CC (c) D (d) L
9. __ is the numeral for 4. (a) IV (b) IX (c) VI (d) I
10. The Roman numeral D stands for __. (a) 50 (b) 500 (c) 100 (d) 10
11. CXC represents __ in Hindu-Arabic. (a) 190 (b) 120 (c) 110 (d) 180
12. LXXX in Roman numerals equals __. (a) 80 (b) 60 (c) 100 (d) 50
13. 250 in Roman numerals is __. (a) CCL (b) CL (c) DL (d) D
14. D – C in Roman numerals equals __. (a) 400 (b) 100 (c) 300 (d) 200
15. XXX + XX equals __. (a) 50 (b) 30 (c) 40 (d) 20

15 FAQs with Answers:

1. What is I in Roman numerals?
   Answer: 1
2. What does V represent?
   Answer: 5
3. What is X in Roman numerals?
   Answer: 10
4. How is 50 written in Roman numerals?
   Answer: L
5. What does C stand for?
   Answer: 100
6. How do we write 20 in Roman numerals?
   Answer: XX
7. What is 100 + 100 in Roman numerals?
   Answer: CC
8. What does D stand for?
   Answer: 500
9. How do you write 40 in Roman numerals?
   Answer: XL
10. What is 300 in Roman numerals?
    Answer: CCC
11. What does XC mean in Hindu-Arabic numerals?
    Answer: 90
12. What is the Roman numeral for 80?
    Answer: LXXX
13. How do we write 4 in Roman numerals?
    Answer: IV
14. What is the Hindu-Arabic number for CXC?
    Answer: 190
15. How is 250 written in Roman numerals?
    Answer: CCL

Presentation

Step 1: Revision of Previous Topic

• Review numbers in Hindu-Arabic form, discussing 1 to 500.

Step 2: Introduction of New Topic

• Introduce Roman numerals with a focus on symbols like I, V, X, L, C, and D.
• Show how they are combined to make larger numbers up to 500.

Step 3: Student Contributions and Corrections

• Let students use flashcards to form numbers in Roman numerals.
• Encourage student participation in converting numbers from Hindu-Arabic to Roman and correct them as needed.

Teacher’s Activities:

• Display and explain the Roman numeral chart from 1 to 500.
• Provide practice exercises on writing and reading Roman numerals.
• Conduct matching and conversion exercises.

Learners’ Activities:

• Identify Roman numeral symbols on flashcards.
• Complete matching activities on worksheets.
• Practice reading and writing Roman numerals with guidance.

Assessment

• Students match given Hindu-Arabic numerals with Roman numerals.
• Practice converting selected numbers in pairs.

10 Evaluation Questions:

1. What is the Roman numeral for 10?
2. How do you write 100 in Roman numerals?
3. What does XL mean in Hindu-Arabic numbers?
4. Write the number 20 in Roman numerals.
5. What is the Roman numeral for 250?
6. Convert 90 to Roman numerals.
7. What is the symbol for 5?
8. How do you write 40 in Roman numerals?
9. What does C represent?
10. Convert the number 500 to Roman numerals.

Conclusion:
The teacher reviews each student’s work, marks, and provides corrections as necessary.

 

Results

#1. The Roman numeral for 1 is

1

2

3

4

#2. L represents __ in Hindu-Arabic numerals.

5

50

500

0.5

#3. The number 100 in Roman numerals is __

C

D

I

V

#4. How do you write 10 in Roman Numerals

V

X

I

L

#5. ___ is the roman numeral for 5

V

L

X

C

#6. CC in Roman Numerals is

100

200

300

400

#7. Write 40 in Roman Numerals

XL

L

C

Xx

Previous

Finish