6 week Countdown to GCSE Maths The Community Maths School Revision Program – Foundation Level

Day 42 Fractions, Decimals and PercentagesAs for being confident with your tables it is a very good idea to know these Fraction, Decimal and Percentage equivalents – known as ‘The Specials’ in the Community Maths School

Today’s Topic questions

It is also a good idea to know how to change between Fractions, Decimals and Percentages this link to a tutorial on MyMaths is a useful summary and demonstration

How to change between fractions decimals and percentages

6 week Countdown to GCSE Maths The Community Maths School Revision Program – Foundation Level

DAY 41 Factors and Multiples Solutions to Day 42 Today’s Topic Questions

1 25% 2 0.3

3 ¼ = 0.25 28% = 0.28 ⅖ = 0.40 correct order is ¼ 28% 0.3 ⅖

4 16/64 = 8/32 = ¼ = 25%

It is always a good idea to be familiar with your tables – it will save you a huge amount of time and give you a little more confidence when problem solving if you know them without having to work them out each time.

There are a huge number of times table practice games on the internet such as

– mymaths tables practice But this program is great fun particularly when you challenge your parents ! you can't do simple maths under pressure

6 week Countdown to GCSE Maths The Community Maths School Revision Program – Foundation Level

DAY 41 Factors and Multiples

I like to do * Factor Rainbows * which place the factors in pairs so that you know that you have not forgotten any factors.

You are very likely to be asked about the HCF - Highest Common Factor between 2 numbers . This is the highest of the factors that are in both numbers. For 10 and 15 the HCF is 5.

You are also likely to be asked about the LCM Lowest Common Multiple of 2 numbers. This is the lowest of the multiples common to both of them. For 5 and 7 the LCM is 35.

You are sometimes asked to write a number in it’s prime factors and you may want to use a *prime factor tree* to do this.

6 week Countdown to GCSE Maths The Community Maths School Revision Program – Foundation Level

DAY 41 Factors and Multiples

Today’s Topic Questions