Lesson Plan of Roman Numbers up to 20

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.

Roman Numbers up to 20

  • Romans were using the following numbers for calculation:

Roman Numbers up to 20

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

Roman Numbers up to 20

  • These letters represent:

Roman Numbers up to 20

  • 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

Roman Numbers up to 20

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

Roman Numbers up to 20

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

Roman Numbers up to 20

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

for example:

Roman Numbers up to 20

  • 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.

Roman Numbers up to 20

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

Roman Numbers up to 20

  • Guide the students and correct their mistakes.

Activity 3

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

Roman Numbers up to 20

  • 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.

Roman Numbers up to 20

Assessment

  • Write the following Roman numbers on the board:

Roman Numbers up to 20

  • 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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