**Lesson Plan of Roman Numbers up to 20**

**Subject Mathematics**

**Grade III**

**Students` Learning Outcomes**

- Read Roman numbers up to 20.

**Information for Teachers**

- We use the following numbers in our daily life for calculation.

- Romans were using the following numbers for calculation:

- Roman numbers, as the name suggests, originated in ancient Rome.
- Roman numbers are written as combinations of these letters.

- These letters represent:

- Roman numbers can be written in capital (XVI) or in lower case letters (xvi).
- There is no zero in Roman numbers.
- While teaching the lesson, also consult textbook where and when applicable.

**Material / Resources**

Writing board, chalk/marker, duster, number flashcards, Roman number flashcards, chart of first 20 Roman numbers, a chart having a dial of a clock with Roman numbers, Mathematic textbook

**Introduction**

- Write first five Roman numbers on the board and ask the students:
- Have you seen these numbers written anywhere?
- After taking their response show the chart having dial of a clock with Roman numbers.
- Tell the students that these are called Roman numbers.
- Tell the students let us practice to read the numbers.

**Development**

**Activity 1**

- Write I, V, X on the board and tell the students that:
- “I” represents 1
- “V” represents 5
- “X” represents 10

- Tell the students that to read Roman numbers we have some rules.
- Repetition of letters (I, V, X) means addition.
- For example:

- When a smaller number is written to the right of a greater number, the smaller is d in the greater.
- For example:

When a smaller number is written to the left of a greater number, the smallere is subtracted from the greater.

for example:

- Write some Roman numbers on the board.
- Ask different students to read these Roman numbers.
- We can`t write more than three times any smaller number to the right of a greater number.
- For example: VIIII can`t be written.
- Carry on this activity to practice the reading of first twenty Roman numbers.

**Activity 2**

- Divide the class in two groups.
- Distribute 20 number flashcards to one group and 20 Roman number flashcards to the other group.

- Ask one group to show number flashcards and the other group to show the corresponding Roman numbers flashcards.

- Guide the students and correct their mistakes.

**Activity 3**

- Hang the chart of first 20 Roman numbers in the classroom.

- Ask the students to read Roman numbers from that chart aloud.
- Give chance to maximum students to read these numbers individually.
- Guide and correct their mistakes.

**Sum up/ Conclusion**

- There is no zero in Roman numbers.
- I, II, III, IV, V………… are called Roman numbers.

**Assessment**

- Write the following Roman numbers on the board:

- Ask the students to read them.

**Follow up**

- Ask the students to mopen their Mathematics textbooks and find where Roman numbers are used.
- Ask the students to solve the questions given in the textbook.

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