Calculate $30\times26$30×26 by completing an area model.
Firstly, complete the missing values in the area model.
x | $30$30 |
---|---|
$20$20 | $\editable{}$ |
$6$6 | $\editable{}$ |
Now add the values you found in part a to calculate $30\times26$30×26.
Let's use the area model to find $28\times55$28×55.
Use the area model to find $53\times32$53×32.
Use the area model to find $89\times67$89×67.