when using algeblocks to multiplyintegers we rely on the fact that theproduct of any two whole numbers can be represented by a rectangular array. for example to show the product of -2 times 4 thereby placing the factor track on the quadrant mat.
How To Add Fractions With Cuisenaire Rods, two factors must always be at right angles.by placing the factor of -2 in the negative vertical trackand the factor of positive 4 in the horizontal track. after placing the factors in the factor track, we begin to build the productrectangle. note that the dimensions of
the product rectangle must match thoseof the factors. once the product rectangle is completehave students remove the factor track and read the mat paying special attention tothe sign of the quadrant. in this example the product is -8.
No comments:
Post a Comment