The rectangle of blocks below represents what happens when $\frac{1}{3}$13 is multiplied by $\frac{4}{5}$45.
The sides of the rectangle both represent $1$1 and all of the blocks together make up $1$1 whole.
$\frac{4}{5}$45 | |
$\frac{1}{3}$13 |
|
Using the block representation, evaluate $\frac{1}{3}\cdot\frac{4}{5}$13·45.
The rectangle of blocks below represents what happens when $\frac{2}{5}$25 is multiplied by $\frac{2}{3}$23.
The sides of the rectangle both represent $1$1 and all of the blocks together make up $1$1 whole.
Evaluate $\frac{1}{7}\cdot70$17·70.
Evaluate $\frac{2}{5}\cdot35$25·35.