Number and Numeration Systems · JHS2 Mathematics

Lesson notes

Learning Objectives

Indicator: B8.1.1.1.2 - Skip count forwards and backwards in 10,000s, 100,000s, 500,000s, etc.

By the end of the lesson, learners can:

Skip count forwards in given intervals of 10,000, 100,000 and 500,000 from any starting number up to the fifth or higher term.
Skip count backwards in given intervals of 10,000, 100,000 and 500,000 from any starting number up to the fifth or higher term.
Identify the interval (step size) used in a given sequence of numbers.
Complete missing terms in a skip-counting sequence using the identified interval.
Communicate skip-counting patterns clearly to peers using correct mathematical language such as “increasing by 100,000” or “decreasing by 50,000”.

This lesson builds on learners’ knowledge of place value from the previous lesson (B8.1.1.1.1) and prepares them for comparing and ordering numbers in the next lesson (B8.1.1.1.3).

Sign in with your phone number to read the full note and download the GES plan - free.

Sign in with phone number

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: B8.1.1.1.2 - Skip count forwards and backwards in 10,000s, 100,000s, 500,000s, etc.
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 Count forward in 500000s up to the fifth number.
(i) 200,000, 700,000, ...
E.g. 2. Count backwards in 100,500s up to the fifth number. (I) 1,800,000, 1699500, 1599000, ...