JHS3 Mathematics · Term 1, Week 3

Number and Numeration System

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Notes for this lesson are being prepared. The curriculum details below are complete and ready to use for your planning.

Curriculum details

Strand
Number (Strand 1)
Sub-strand
Number and Numeration System (1.1)
Content standard
B9.1.1.2 - Demonstrate an understanding of the relationship between members of the rational number system and solve real life problems involving union and intersection of three sets
Indicator
B9.1.1.2.2 - Apply the concept of sets to solve problems on relationship between members of rational number system and solve real life problems involving union and intersection of two sets
Suggested placement
Term 1, Week 3 (Week 3 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, Common Core Programme (JHS1-JHS3), 2023, p. 167

Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g.1 Create and solve real life problems to show the union and intersection of two sets.
i. There are 80 farmers in a certain village who grow either maize or beans. Fifty of them grow beans while sixty grow maize. If each farmer grows at least one of the two crops, represent the information on a Venn diagram and hence find the number of farmers who grow:
a. both crops.
b. only one crop.