Patterns and Relationships · B4 Mathematics

Lesson notes

Indicator: B4.2.1.1.2 - Determine the missing element(s) in a given table or chart

By the end of the lesson, learners can:

Identify missing numbers in a given table or chart by examining the pattern in rows and columns.
Apply the identified pattern (addition, subtraction, or multiplication) to find single missing elements.
Determine multiple missing elements in a table or chart using consistent reasoning.
Explain the reasoning behind each missing element they find, justifying their answers clearly.
Complete a partially filled multiplication chart by using the relationship between rows and columns.

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Strand: Algebra (Strand 2)
Sub-strand: Patterns and Relationships (2.1)
Content standard: B4.2.1.1 - Demonstrate an understanding of how to identify and describe patterns found in tables and charts, including a multiplication chart
Indicator: B4.2.1.1.2 - Determine the missing element(s) in a given table or chart
Suggested placement: Term 2, Week 6 (Week 18 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. 30
Transcribed from the official NaCCA publication. Check this page against the source.

E.g. 1. Provide students with a chart with missing numbers and ask them to identify the missing numbers and explain their reasoning