# Warwick Tutor Blog

Warwick Tutor Blog – articles about maths, 11+ and IT. Useful resources, and tips and tricks.

20th April, 2021

## Lowest Common Multiple (LCM) and Highest Common Factor (HCF)

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.

## 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.

## Nothing says, “Thank you” better than cake!

WOW! I love this owl thank-you cake, from one of my pupils who has finished her tuition with me after nearly two years. I wish her well in all her future…

## 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.

## Private School entrance exams in and around Warwick

Are you considering applying for private school in Warwickshire? Did you know that each private school has its own entrance exams and timetable (usually in the Autumn when your child is in year 6). If your child is currently in year 4 or 5, now is the time to look ahead…

## What is the best dictionary for kids?

They are a very useful resource for school, and for preparing for the 11 plus and school entrance exams, so it is important to find one suitable for their age.

## 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…

## The 11+ results are in!

11+ results – Each year, I hear the good news that one or more of my students have been successful in the 11+. THANK YOU to all the parents who add to my Google reviews.

## 11+ Top Tips

11+ Top Tips for the day – read top tips from an experienced 11+ tutor with proven experience!