Number and Numeration Systems · JHS2 Mathematics

Lesson notes

Learning Objectives

Indicator: B8.1.1.1.1 - Apply the understanding of place value to read and write in number quantities over 1,000,000,000.

By the end of the lesson, learners can:

Identify the place value of each digit in numbers greater than one billion (1,000,000,000), up to trillions.
Read aloud numbers over 1,000,000,000 correctly using the Ghanaian place value grouping convention (millions, billions, trillions).
Write numbers over 1,000,000,000 in words from their numeral form.
Write numerals correctly from number words over 1,000,000,000.
Work in pairs to read and write large numbers in real-life contexts, such as national population figures or government budgets.

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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: B8.1.1.1.1 - Apply the understanding of place value to read and write in number quantities over 1,000,000,000.
Suggested placement: Term 1, Week 1 (Week 1 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. 90
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g.1. Read and write numbers in words and vice versa.
(i) 2408321: Two million, four hundred and eight thousand, three hundred and twenty-one.
(ii) the numeral part of the serial number on a currency note TD1567451, i.e., 1567451: One million, five hundred and sixty- seven thousand, four hundred and fifty-one.