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 * Go to the geometry wall. Add your definition or comment to the wall. Remember to put your name on the sticky.

__Fun Activity:__ Step 1:** Pick any two consecutive numbers.
 * Step 2:** Square each, and find the difference.
 * Step 3:** Add the two original numbers.
 * Step 4:** Explain why Steps 2 and 3 give the same result.

Problems to solve: 1. Every Saturday you play basketball in the local community youth club. At the end of the season after a club tournament, the players in the club meet at a fast-food restaurant for a party. If hamburgers cost 59¢, what is the total cost for 15 players to have a hamburger each?

2. Every Saturday you play basketball in the local community youth club. At the end of the season after a club tournament, the players in the club meet at a fast-food restaurant for a party. If hamburgers cost 59¢, find a way to determine the total cost of hamburgers when various numbers of players in the club each have a hamburger.

Questions: How is question 2 similar to the question 1 Hamburger Problem? How is this question different from the original Hamburger Problem? How did you solve the new problem differently?

Each class in your middle school is making valentine cards to sell at affordable prices to elementary school students in your district. The cards are boxed in groups of 12 before they are routed to the elementary schools. Find a way to determine how many cards have been made when various numbers of boxes have been routed to the elementary schools.

__**E-Portfolios**__: In your mathex eportfolio in Knowledge Net you should have now completed your weekly reflections up to this week.

On your video problem solving page that you filmed in class, you will now need to write a reflection of this. Write about what you did, and how easy or difficult you found it. What were some of the problems, and how could you solve them next time.

You can also spend some time making your mathex eportfolio as good as it can be. You can add images and designs, use tables, colour and other graphics to personalise your pages.

Magic squares have long been considered a mathematical recreation providing entertainment and an interesting outlet for creating mathematical knowledge. An //nth-order magic square// is a square array of //n2// distinct integers in which the sum of the //n// numbers in each row, column, and diagonal is the same. The magic lies in the fact that the numbers in each row, column, and diagonal always sum to the same number, called the **magic constant**. Below is an example of a third-order magic square with a magic constant of 15. A third-order magic square
 * Interesting information about Magic Squares:**