Counting, Representation… · B4 Mathematics

Lesson notes

Learning Objectives

Indicator: B4.1.1.4.2 - Count forwards and backwards with positive and negative whole numbers through zero

By the end of the lesson, learners can:

Locate positive and negative whole numbers on a number line, including zero at the centre
Count forwards from a negative number, through zero, into positive numbers (e.g., from -5 up to 7)
Count backwards from a positive number, through zero, into negative numbers (e.g., from 8 down to -6)
Count forwards and backwards in steps of 1, 2, 5 and 10 across the zero point
Explain, with justification, why zero is the boundary between positive and negative numbers

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Curriculum details

Strand: Number (Strand 1)
Sub-strand: Counting, Representation & Cardinality (1.1)
Content standard: B4.1.1.4 - Interpret negative and positive numbers in context
Indicator: B4.1.1.4.2 - Count forwards and backwards with positive and negative whole numbers through zero
Suggested placement: Term 1, Week 8 (Week 8 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. 13
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1 Learners count from a given interval of positive and negative numbers on the number line. For example, count from 10 backward through zero to negative -8.