The document discusses strategies for creating magic squares using numbers that total 15. It notes that the number 5 appears most frequently in triples totaling 15 and should be placed in the center. The numbers 2, 4, 6, and 8 appear 3 times and should be placed in the corners. The numbers 1, 3, 7, and 9 appear twice and should be placed in the remaining spots. It then provides a 4x4 magic square as a challenge to complete using the numbers 1 through 16.

1. Treasures from the Attic
Chapter 2: Addition & Subtraction with FractionsM
3
That's Puzzling
Lesson 3
Mrs. Matthews/CES

2. Magic Square Strategies
List all sets of three different numbers
between 1 & 9 that have a total of 15.
Which number appears most in the triples?
Where is the best place to place this number?
Which numbers appear three times?
Where is the best placement for these numbers?
Which numbers appear twice?
Where is the best place to put these numbers?

3. 1+9+5
2+8+5
3+7+5
4+6+5
3+4+8
6+7+2
2+9+4
6+1+8
List all sets of three different numbers
between 1 & 9 that have a total of 15. Which number appears most in the triples? 5
Where is the best place to place this number? center
Which numbers appear three times? 2,4,6,8
Where is the best placement for these numbers? corners
Which numbers appear twice? 1,3,7,9
Where is the best place to put these numbers? what's left

4. Challenge
4 by 4 Magic Square
Use the numbers 1 - 16 to complete this magic Square.
*