Subtraction

**Subtraction: Worth knowing**
Subtraction is one of many mathematical terms. Children learn different terms and symbols ( - ) and apply them in difference spoken and written situations.

**Examples:**

 * difference
 * take away
 * subtract
 * minus

Follow this link to the amazing wiki on subtraction methods!

**Websites for children**
PoissonRouge.com - number blocks good for '1 less' ' 1 more'

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 * Tutorial Videos**
 * 1. How to add a website outside of the wiki**

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 * 2. How to add YouTube video**