B4 Mathematics · Term 1 Week 1: Counting, Representation & Cardinality

Lesson notes

Learning Objectives

Indicator: B4.1.1.1.2 - Read and write numbers in figures and in words up 100,000

By the end of the lesson, learners can:

Read aloud any 6-digit number up to 100,000 when shown in figures.
Write any number up to 100,000 in figures when given the number in words.
Write any number up to 100,000 in words when given the number in figures.
Match number word cards to their corresponding figures correctly.
Express numbers up to 100,000 in expanded form to support reading and writing them accurately.

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Curriculum details

Strand: Number (Strand 1)
Sub-strand: Counting, Representation & Cardinality (1.1)
Content standard: B4.1.1.1 - Demonstrate an understanding of quantities and place value for multi-digit whole numerals up to 100,000.
Indicator: B4.1.1.1.2 - Read and write numbers in figures and in words up 100,000
Suggested placement: Term 1, Week 1 (Week 1 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. 3
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1 Play the place value number wheel game: Use the hundred thousand number wheel to generate 6-digit numbers and represent the number generated on a place value frame. Throw a number of pebbles (or stones) onto the number wheel, identify the number of pebbles landing in each place value ring, and state the number generated in the wheel (i.e. 2 landed in the ten-thousand' ring making the number twenty-thousand or 20,000).
NB: The representations to use also include verbal, and numerals. Learners must match number word cards to the figures

Figure from the b4 mathematics curriculum, printed page 4

E.g. 2 Ask learners to write given numbers on the expanded form of the number: 14031=10,000 + 4,000 +30 + 1
E.g. 3 Display a number chart or number line with multiples of 500 between 10000 and 50000 and lead learners to identify numbers in different positions around a given number.