Approximation

Mathematics J.S.S 3 First Term

Theme: Number and Numeration

Sub Theme: Whole Number

WEEK 10

Approximation

Performance Objectives

Students should be able to;

1. Approximating numbers to significant places
2. Approximate numbers to any degree of accuracy
3. Solve quantitative reasoning problems related to the approximation of numbers

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…