To calculate the Lowest Common Multiple (LCM) or Highest Common Factor (HCF) of two numbers, you first need to understand what factors and multiples are.
Lowest Common Multiple (LCM) and Highest Common Factor (HCF)
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Divisibility Rules
Divisibility Rules – How to find out if a number is divisible by 2, by 3, by 4 etc.
Handy tricks for figuring out what numbers divide into another.
“Think of a Number” Trick – how do you do it?
You will have heard of that party trick where someone says, “Think of a number” then they get you to add on something, double it, take away something, add 5, halve it, etc, etc, and then they tell you the number you now have?
WOW! How do they do that? Is it magic? Kind of….. It’s mathematical magic! Let me try to explain.
How do you change an improper fraction to a mixed number?
How do you change an improper fraction to a mixed number?
What is a mixed number? A mixed number is a whole number and a fraction.
How do you calculate the volume of a pizza?
It is basically the same method to calculate the volume of a cylinder, but with a side-order of fun. Here I show how to calculate volumes of various 3D shapes.
How to Find Fraction of an Amount
What is a fraction?
A fraction is part of a whole. It could be 1/4 of a cake, or 3/5 of £15.00.
This resource shows how to find fraction of an amount.
How to Add Fractions (and Multiply and Divide Fractions)
How to Add Fractions (and Subtract, Multiply and Divide) – with FREE to download resources for revision
Multiplying by 10 and 100
Multiplying by 10 and 100 – Looking for easy to use resources explaining how to multiply and divide by 10, 100 and 1000 etc? Here I have created and gathered some useful resources, free to download, for explaining how to multiply…
Fraction Decimal Percentage Conversion Triangle
Fractions, Decimals and Percentages are all different ways of expressing the same thing – part of a whole. This resource shows how to convert between the three.
How to calculate the area and circumference of a circle
Do you want an easy way to remember how to calculate the area and circumference of a circle? Here is a great little poem to help…
Good luck to everyone receiving their GCSE results today!
Good luck to everyone receiving their GCSE results today! Fingers crossed for all my students who took their maths this summer.
Confused about the new 9-1 grades for maths and English GCSE?
Confused about the new 9-1 grades for maths and English GCSE? What is a pass rate for the maths GCSE if it isn’t a C any more? The department of Education have published a useful guide on what the changes will mean for this year’s…