We know that $5-2=3$5−2=3.

Use this to find:

$25-2=\editable{}$25−2=

$35-2=\editable{}$35−2=

$45-2=\editable{}$45−2=

$75-2=\editable{}$75−2=

Use what you know about subtracting to find:

We know that $17-5=12$17−5=12.

We know that $16-5=11$16−5=11.

Know how many ones, tens, and hundreds are in whole numbers to at least 1000.