Fractions, Decimals and… · JHS2 Mathematics

Lesson notes

Learning Objectives

Indicator: B8.1.3.1.3 - Review word problems involving basic operations on fractions and related concepts.

By the end of the lesson, learners can:

Identify the correct operation (addition, subtraction, multiplication, or division) needed to solve a given word problem involving fractions.
Solve multi-step word problems involving fractions of given quantities, showing all working clearly.
Convert between fractions, decimals, and percentages to solve word problems that require comparing quantities.
Apply the concept of a “fraction of a quantity” to solve problems involving perimeter, area, and parts of a whole.
Justify their choice of operation and verify the reasonableness of their answers in the context of the problem.

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Curriculum details

Strand: Number (Strand 1)
Sub-strand: Fractions, Decimals and Percentages (1.3)
Content standard: B8.1.3.1 - Apply the understanding of operation on fractions to solve problems involving fractions of given quantities and round the results to given decimal and significant places.
Indicator: B8.1.3.1.3 - Review word problems involving basic operations on fractions and related concepts.
Suggested placement: Term 2, Week 1 (Week 13 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. 103
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1. Solve word problems involving fractions.
i. Determine the (i) perimeter and (ii) area of a rectangle whose sides measure 1 1 cm by 3 3 cm. 3 4

Wide black-and-white mathematical teaching visual is organised as a table with horizontal divisions, vertical... — A wide black-and-white mathematical teaching visual is organised as a table with horizontal divisions, vertical divisions. Visible labels, values, and notation include: ii.; Faako answers 42 out of 60 questions correctly. What percentage; of her answers are correct?; ili.; In a school- of the students eat from the school feeding; programme, bring their packed lunch, and the rest go home to; eat. What fraction of the.

ii. Faako answers 42 out of 60 questions correctly. What percentage of her answers are correct?
iii. In a school 2 of the students eat from the school feeding 3
programme, 1 bring their packed lunch, and the rest go home to 4
eat. What fraction of the students go home for lunch?
iv. Esi and Fusena prepared an orange drink by mixing orange squash and water. Esi's drink was made of 2 orange squash and 7
Fusena's was made up of 1 orange squash. Whose drink tastes 4
stronger of orange?