$54-4=$

$67-30=$_____

Subtract the following.

$86-36=$

What is left when $7$ tens is taken away from $89$? (Write the answer in numeral form.)

What should be added to $8$ tens to make $100$?

What do we get when we take away $9$ tens from $98$?

Arrange the digits in columns and subtract:

$79-59$.

Arrange the digits in columns and subtract.

$82-57$

Arrange the digits in columns and subtract.

$96-48$