Maths Trick

Mr Madge shares a maths tricks.

To make mathematics more interesting I’ve introduced maths tricks Thursday. Every Thursday I’ll introduce a maths trick to show how cool maths can be. Students can then use these tricks (formulas) to impress their friends. Here’s today trick:

  1. Choose a Number.
  2. Add 5.
  3. Double the result.
  4. Subtract 4.
  5. Divide the result by 2.
  6. Subtract the number you started with.
  7. The result is 3.

Explore this trick further here.

 

 

 

 

 

 

 

 

 

 

 

 

 

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s