Multiplying by 10
This chapter explores how to multiply by 10. This is a very simple chapter and you’ll find that multiplying by 10 is very simple. Suppose we wanted to multiply 2 by 10. First we...
Category: Number
Lowest common multiple (LCM)
This chapter covers lowest common multiple. It covers how to find the lowest common multiple (LCM) of two numbers and using the LCM to compare fractions. The lowest common multiple (LCM) of given numbers...
Highest Common Factors
This chapter explores highest common factors. Before the end of this chapter you should have had a good understanding of highest common factors (HCF). The chapter explores using factor trees to find the highest...
Depreciation
[widget] This section explores depreciation. By the end you should be able to calculate the depreciated value and the amount of depreciation. You should have prior knowledge of working with percentages, decreasing percentages and...
Converting fractions to decimals
This chapter explores converting fractions to decimals. It covers writing fractions as decimal numbers and writing mixed numbers as decimals. Tenth fractions as decimals The number line below shows the tenth fractions for 0...
Reciprocal Numbers
In general the reciprocal of any number is one divided by that number. That is;
Negative Numbers and Letters
In this chapter we’re going to look very broadly at how negative and positive numbers and letters work. There are some rules that you should know when working with negative and positive. These rules...
Adding in Columns
In this chapter we’re going to be exploring how to add in columns for two and three digits numbers. The number 36 and 58 are two digit numbers. Suppose we wanted to add them...
Square Roots and Cube Roots
In this chapter we’re going to be exploring square roots and cube roots. This is just a quick summary of what square roots and cube roots of a number are and how to find...