**This activity was developed by a
student or students at Mainland High School which is located in Daytona Beach, FL.
It is still a "work in progress" with editing and improvements yet to come.**

Write an algebraic expression using ** a**,

Once you have completed all nine exercises, you will have discovered the magic square formula - the sums of all horizontal, vertical, and diagonal squares are the same number.

1. The difference
between a and b |

2. The sum of a and
b, minus c |

3. a increased by c |

4. The sum of a,
b, and c |

5. Just a |

6. a
diminished by the sum of b and c |

7. a decreased by c |

8. The sum of a and
c, less b |

9. b added to
a |

Now that you know the secret, substitute numbers for a, b, and c.

For instance, if ** a** = 9,

If ** a** =__________,

If ** a** =__________,

If ** a** =__________,

MathSummer Activity
SummaryCopyright 1997-1999: html adaptation Career Connection to Teaching with Technology |