Tom thinks of $ 630 \div 6$ as an area problem:
> 
He splits the rectangle into parts that are easily divisible by $6$:
> 
**Fill in the blanks.**
$\purple{a}=$ [[☃ math-keypad 1]] units
$\blue{b}=$ [[☃ math-keypad 2]] units
$w = $ [[☃ math-keypad 3]] units
$630 \div 6 =$ [[☃ math-keypad 4]]