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.
Part 1: Closure property of whole numbers with specific reference to adding, subtracting, multiplying and dividing whole numbers
Part 2: Examples of closure property of whole numbers
Part 3: Common mistakes and misconceptions
Part 1: Commutative property of whole numbers under addition, subtraction, multiplication and division
Part 2: Examples of commutative property of whole numbers under addition and multiplication
Part 3: Common mistakes and misconceptions
This online resource discusses the distribution of earth's water.
Part 1: Distributive property of multiplication over the addition and subtraction of whole numbers
Part 2: Examples of the distributive property of multiplication over the addition and subtraction of whole numbers
Part 3: Common mistakes made and misconceptions
This online tutorial will explain the earth's shape and its hemispheres.
In this video we’re going to discover how to factorise quadratics that don’t have 1 as the coefficient of the x-squared term. These are called non-monic quadratics. We can do it by trial and error and just spotting the factors, but this takes a lot of trial an error. Luckily there is a different method we can use instead, which we will looks at in this video.
This YouTube video explains how to calculate an irregular area on a map.