B5 Mathematics · Term 1 Week 4: Counting, Representation & Cardinality

Lesson notes

Learning Objectives

Indicator: B5.1.1.2.1 - Recognize Roman Numerals system up to C (i.e. 100)

By the end of the lesson, learners can:

Identify the seven basic symbols of the Roman numeral system: I, V, X, L, C, and state the value of each.
Recognise and read Roman numerals from I (1) to C (100) when displayed on a chart or written on the board.
Match given Roman numerals to their corresponding Hindu-Arabic numerals (e.g. XV = 15, XL = 40, LVI = 56).
Point to or name the correct Roman numeral on a chart when a numeral is called out by the teacher or a classmate.
Explain simple rules for reading Roman numerals such as repetition (II = 2, XXX = 30), addition (VI = 6, LX = 60) and subtraction (IV = 4, XC = 90).

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Curriculum details

Strand: Number (Strand 1)
Sub-strand: Counting, Representation & Cardinality (1.1)
Content standard: B5.1.1.2 - Demonstrate understanding of Roman Numerals up to C (i.e. 100)
Indicator: B5.1.1.2.1 - Recognize Roman Numerals system up to C (i.e. 100)
Suggested placement: Term 1, Week 4 (Week 4 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Mathematics Curriculum for Primary Schools (Basic 4-6), 2019, p. 59
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1 Display roman numeral charts (1-100) arranged in sequential order and lead learners to identify the numerals. Learners identify the main characters of the roman numerals used to build the table up to 30 i.e. I, II, III, IV, V, X, L and C Call out a numeral and have learners point at it from the chart
E.g. 2 Have learners match the Roman numerals to the Hindu-Arabic numerals for instance I = 1; V= 5: IX= 9, XV= 15, XXX = 30, XL = 40, LVI = 56, XCIX = 99. Mention some numerals randomly and have learners point at it on the chart.