Add a single digit to a teen with totals above 20 (Timed)
Add a single digit to a teen with totals above 20.
Add a single digit to a teen with totals above 20 (Timed)
Add a single digit to a teen with totals above 20.
Add a single digit to a teen with totals above 20.
Add a single digit to a teen with totals above 20.