Approximations
Outcomes
In this lesson you will learn about:
- Rounding off numbers.
- Estimating answers to calculations.
Outcomes
In this lesson you will learn about:
This YouTube video explores the concepts of approximations and estimations.
These three short online lessons discuss asteroids, comets and meteors.
Concept of density. This YouTube video will provide information about the concept of density. It’s great to use as an introduction to the topic or as a way to summarise the topic.
Density of a solid for a regular shaped body. Definition, meaning and its simple calculation
This online resource discusses the distribution of earth's water.
This online tutorial will explain the earth's shape and its hemispheres.
Video 1: What are frequency polygons?
Video 2: Examples of frequency polygons
Video 3: Further examples of frequency polygons
By the end of this unit you will be able to:
This YouTube video explains how to calculate an irregular area on a map.