Tell time on a non-digital clock.

make change with cash

Keep a job for more than a few years.

Drive a car.

Cool, I "won" :)

drive a standard

spend time by themselves

disconnect

tie shoelaces

Use a turntable

Swim

Balance a checkbook.

Drive a stick shift

My first thought was something really mundane, like change a light bulb. They've probably grown up with those bulbs which last a lifetime!

Use a phone with rotary dial.

Ride a bike

Do math

spell.

cook

Compose a formal reply to an invitation.

Change a tire, any tire, say a bicycle tire.

Patch an inner tube

Know what an inner tube is.

Write with a dip pen and ink.

Type with a manual typewriter

Light a gas stove that has no igniter.

Starch laundry

Know why starch was applied.

Operate a foot treadle sewing machine

Be familiar with wall paper cleaner.

Has actually seen wall paper cleaner.

Change a tire

Change oil in their vehicle

Register to vote

Vote

Text

Read

Play football, baseball, basketball

File a tax return

Tell time on a "non-digital" clock.

jemdandy mentioned operating a foot treadle sewing machine, but with the throw pricing of clothes these days they probably don't even know how to sew. It's probably more expensive to sew than to buy.

Sew a button on a shirt.

Boil water.

Write a check.

Tie their shoes. (Thank you, Velcro)

Rusty