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Fractions, Decimals and Percentages

What do we need to know?

 

  • Ma6/2.3a    use common factors to simplify fractions; use common multiples to express fractions in the same denomination.
  • Ma6/2.3b    compare and order fractions, including fractions >1.
  • Ma6/2.3c    add and subtract fractions with different denominators and mixed numbers, using the concept of equivalent fractions.
  • Ma6/2.3d    multiply simple pairs of proper fractions, writing the answer in its simplest form.
  • Ma6/2.3e    divide proper fractions by whole numbers.
  • Ma6/2.3f    associate a fraction with division and calculate decimal fraction equivalents for a simple fraction.
  • Ma6/2.3g    identify the value of each digit in numbers given to three decimal places and multiply and divide numbers by 10, 100 and 1,000 giving answers are up to three decimal places (covered in our place value section).
  • Ma6/2.3h    multiply one-digit numbers with up to 2 decimal places by whole numbers.
  • Ma6/2.3i    use written division methods in cases where the answer has up to 2 decimal places.
  • Ma6/2.3j    solve problems which require answers to be rounded to specified degrees of accuracy.
  • Ma6/2.3k    recall and use equivalences between simple fractions, decimals and percentages, including in different contexts.

 

What are fractions? What does equivalent mean? Most importantly, how much cake can I have?! Told you maths is fun!

Finding Equivalent Fractions

Once we understand what fractions mean and how they are represented then we can begin to use them with ease. Take a look at this video to make sure you're confident with equivalent fractions (N.B: finding equivalent fractions is the same as reducing fractions, simplifying fractions and cancelling fractions. Please don't be put off by the use of different words - all these mean the same thing!).

Multiplying Fractions

This is much easier than you might imagine - please watch and try and see what I mean!

Dividing Fractions

A useful video to help you gain a better understanding of what happens when we divide fractions.

Adding and Subtracting Fractions

Once you know what fractions are and how we can find reduce/cancel/simplify fractions, we can confidently add and subtract them. This video gives you the basics.

Using Bubble Method to Find Percentages of Amounts

I love this method! Remember what we said in class, if you can remember how to find 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80% and 90% using our divide by 10 the multiply method then find 1%, 2%, 3%, 4%, 5%, 66%, 7%%, 8% and 9% by using our divide by 100 then multiply, then you've got it mastered for any percentage.

Bubble Method

Bubble Method 1

Decimal Song!

This song will help you understand what we mean by decimals and how they link to decimals! Cool!

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