Substitution and equivalence
Essential Mathematics Year 8
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  Learning objectives
  What is substitution
  Using expanded form
  Another example
  More complicated example
  What is equivalence
  Example 1
  Example 2
  Final words
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I love teaching algebra and this is the next video in the Year 8 series looking at substitution and equivalence. We know, if we watch sport, that substitution means to take something off and put something of equal value in its place. This is what it means in Mathematics too! I spend time, in my own unique way, looking at using kissy kissy and other stories to show how simple substitution can be. I then look at what equivalence means with lots of worked examples. If you want to understand algebra, then you really need to watch this series of videos! You'll never forget them!

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