Approximation

Mathematics J.S.S 2 First Term

Theme: Numbers & Numeration

Sub Theme: Whole Number

WEEK 8

Approximation

Performance Objectives

Students should be able to;

1. Approximate numbers to any given degree of accuracy
2. Solve quantitative reasoning problems related to approximation of number.

Approximation of Numbers

Content

To approximate a number means to write a number near the original number that is a number, not exactly the original number. It may be a bit more or less than the original. Whole numbers can be approximated to the nearest ten, hundred, thousand, million, etc.

Sometimes we do not need to measure of calculating things exactly. We may only wish to have a rough idea, or to calculate only to a certain degree of accuracy.…