B1 Mathematics · Term 2 Week 9: Fractions

Lesson notes

Learning Objectives

Indicator: B1.1.3.1.2 - Count in halves using concrete and pictorial representations of halves

By the end of the lesson, learners can:

Count groups of half objects (like half oranges or half pieces of card) from one-half up to at least five-halves, using the correct language.
Recognise pictures showing halves and count them aloud in sequence, saying “one-half, two-halves, three-halves,” and so on.
Match a spoken number of halves to a set of concrete objects or pictures showing that many halves.
Arrange sets of halves in order from the smallest number of halves to the largest number of halves.
Explain their counting in their own words, showing they understand that two-halves make one whole.

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Curriculum details

Strand: Number (Strand 1)
Sub-strand: Fractions (1.3)
Content standard: B1.1.3.1 - Develop an understanding of halves using concrete and pictorial representations [Exclude notation here]
Indicator: B1.1.3.1.2 - Count in halves using concrete and pictorial representations of halves
Suggested placement: Term 2, Week 9 (Week 21 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 1-3), 2019, p. 12
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1. Show several halves of concrete objects (like half oranges, half piece of stick, half piece of card, etc. and have them count them in halves (using the language one-half, two-halves, three-halves, etc.)

Figure from the b1 mathematics curriculum, printed page 12

E.g. 2. Show learners several pictorial representations of halves and have them count (using the language one-half, two-halves, three-halves, etc.)