Simplifying 1 + 2a + b + 1 a + b a + b + 1 2a b + a + b

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Presentation transcript:

Simplifying 1 + 2a + b + 1 a + b + 2 + a + b + 1 2a + 3 + 4b + a + b Can you write these in a different way? 1 + 2a + b + 1 a + b + 2 + a + b + 1 2a + 3 + 4b + a + b

Simplifying a + b + 1 + 2a + b a + 1 + 2a + 2b + 4 + a + b Can you write these in a different way? a + b + 1 + 2a + b a + 1 + 2a + 2b + 4 + a + b 2a + 2 - a + 2b - 1

MAGIC!!! Magic Square 3a + 3b + 3c 3a + 3b + 3c 3a + 3b + 3c In a magic square, all rows, columns and diagonals are equal. a + b b +2c 2a + b +c 2a + 2c + b a + b + c b a + b + 2c 2a + b b + c MAGIC!!! 3a + 3b + 3c 3a + 3b + 3c 3a + 3b + 3c 3a + 3b + 3c 3a + 3b + 3c 3a + 3b + 3c 3a + 3b + 3c 3a + 3b + 3c

MAGIC!!! Magic Square 9a + 3b + 3c 9a + 3b + 3c 9a + 3b + 3c Is this magic? You try… 4a + b 2c 5a + 2b +c 4a +2b +2c 3a + b + c 2a 2c + 2a + b 6a + 2b a + c MAGIC!!! 9a + 3b + 3c 9a + 3b + 3c 9a + 3b + 3c 9a + 3b + 3c 9a + 3b + 3c 9a + 3b + 3c 9a + 3b + 3c 9a + 3b + 3c

Click squares to reveal Magic Square Fill in the gaps on your grids. Make it magic… p + 3q + r p + q p - q + 2r Click squares to reveal p + 2q + r p + q +2r p + 3q p + 2q p + q + r p + 3q +2r 3p + 6q + 3r

Click cards for answers Magic Square Can you arrange the cards to make a magic square? Click cards for answers 7a + 6b 3a + 8b 7b 2a + b a + 4b 4a + 5b 6a + 9b 8a + 3b 5a + 2b Clue 12a + 15b

On your grids, write down the value in each square Magic Square To finish off… a = 2, b = 3, c = 5 a + b b +2c 2a + b +c 2a + 2c + b a + b + c b a + b + 2c 2a + b b + c On your grids, write down the value in each square

Magic Square To finish off… a = 2, b = 3, c = 5 Is it magic? 5 13 12 17 10 3 15 7 8 Is it magic?