3.1: Rounding and significant figures

1) Lesson Objectives:

You should be able to

• rounding off numbers to a required number of decimal places or significant figures.

• know when to use the approximation symbol

Success Criteria:

I am able to

• know what number of decimal places mean

• use all the different rules for significant figures to find my answer.

Pre-Requisite:

NIL

Always look through all examples in textbook before lesson.