Number and Numeration Systems · JHS2 Mathematics

Lesson notes

Learning Objectives

Indicator: B8.1.1.1.6 - Create and solve word or real-life problems on place values

By the end of the lesson, learners can:

Identify the place value of each digit in a given number and use this understanding to break down word problems.
Solve multi-step word problems involving place value, addition, subtraction, multiplication, and comparison of large numbers.
Create their own word problems based on real-life Ghanaian situations that require place value understanding to solve.
Estimate and check the reasonableness of answers to word problems using place value and rounding skills from previous lessons.
Present solutions to word problems clearly, showing the working steps and stating the final answer with the correct units.

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Curriculum details

Strand: Number (Strand 1)
Sub-strand: Number and Numeration Systems (1.1)
Content standard: B8.1.1.1 - Demonstrate understanding and the use of place value for expressing quantities in standard form and rounding numbers and decimals to significant figures and a given number of decimal places
Indicator: B8.1.1.1.6 - Create and solve word or real-life problems on place values
Suggested placement: Term 1, Week 4 (Week 4 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. 92
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1 Solve word or story problems.
(i) Adom earns Gh₵2500 a month after tax and his elder brother Arko earns three times as much. How much is their total income after five years if there are no increases in their earnings?