[QUOTE=maddiexoxo;775257]. Model the following, showing any necessary calculations.

a) 2/5 x 2/3 (using a rectangular array)[quote]

Draw a 5 by 3 array of dots. That will give a total of 15 dots. Draw a vertical line after the second dot horizontally. Draw a horizontal line below the dot vertically. Now count the number of objects inside small rectangle formed by those two lines. The product is that number divided by 15.

Draw six circles, three on the left, three on the right. On the left color in two of the circles and 1/4 of the third circle. On right, divide all three circles into quarters and color 9 of those quarters.b) 2 ¼ = 9/4 (using circles)

Whatc) 1 ¾ + 1 2/3 (using a number line subdivided according to the LCD)isthe LCD for this problem?

d) 6/10 = 3/5 (using rectangles)

e) 0.3 = 0.30 (using decimal squares

explain please and thank you. even if you can only help me with one or two