Es mostren els missatges amb l'etiqueta de comentaris algebra. Mostrar tots els missatges
Es mostren els missatges amb l'etiqueta de comentaris algebra. Mostrar tots els missatges
dimarts, 2 de març del 2010
dilluns, 15 de febrer del 2010
Revision for today Taking out common factors
You can find here three explanations Taking out common factors, Multiplying a number by a bracket and Multiplying two brackets
You can find here three explanations Taking out common factors, Multiplying a number by a bracket and Multiplying two brackets
dimarts, 9 de febrer del 2010
These are some instructions for doing a hands-on activity :
Take a piece of cardboard
Draw two squares of different sides a and b
Draw two identical rectangles, whose sides are a and b
Cut the four figures with a cutter or a pair of scissors.
Joining some pieces of cardboard, two, three or four of them write down formulas about the areas of the figures together.
Example:
Take a piece of cardboard
Draw two squares of different sides a and b
Draw two identical rectangles, whose sides are a and b
Cut the four figures with a cutter or a pair of scissors.
Joining some pieces of cardboard, two, three or four of them write down formulas about the areas of the figures together.
Example:
dijous, 4 de febrer del 2010
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