Building Number Sentences

Source: [url=https://www.openmiddle.com/]Open Middle[/url]
Directions: Using the digits 1 to 9 at most one time each, drag a digit into each box to create a true number sentence.
Create ANOTHER number sentence that is DIFFERENT from the one you created above.
Create ANOTHER number sentence that is DIFFERENT from the two number sentences you created above.
Fill digits inside the boxes to make a true statement and so that the NUMBER AT THE BOTTOM is as LARGE AS POSSIBLE!
Fill digits inside the boxes to make a true statement and so that the NUMBER AT THE BOTTOM is as SMALL AS POSSIBLE!
– Tim Brzezinski, Steve Phelps

Information: Building Number Sentences