Pattern and Relationships · B6 Mathematics

Lesson notes

Learning Objectives

Indicator: B6.2.1.1.8 - Describe the relationship in a given table or chart, using a mathematical expression

By the end of the lesson, learners can:

Examine a given table and describe in their own words how the pattern changes as the input values increase.
Write a mathematical expression (e.g., cost = 3 × number of students) that describes the relationship shown in a table or chart.
Use the mathematical expression to find missing values in a table, including working backwards from a given output to find the input.
Justify their chosen expression by testing it against at least two rows of the table.
Create their own table showing a pattern and write the mathematical expression that describes it for a friend to solve.

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Curriculum details

Strand: Algebra (Strand 2)
Sub-strand: Pattern and Relationships (2.1)
Content standard: B6.2.1.1 - Determine the pattern rule to make predictions about subsequent elements.
Indicator: B6.2.1.1.8 - Describe the relationship in a given table or chart, using a mathematical expression
Suggested placement: Term 2, Week 11 (Week 23 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. 140
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g.1. This table shows the pattern of cost of boxed lunches for students on a field trip. Ask learners to: (i) explain the pattern of how the cost of lunches changes as more students go on the trip; (ii) use the pattern to determine how many students went on the trip if the cost of lunches is GHC90. Number of students 1 2 3 4 5 ? Cost of lunch in Cedis 3 6 9 12 15 90
E.g. 2. Ask learners to write questions based on the pattern for their friends to find answers