A school raised $13,809 during its fall fundraiser and $20,786 during its winter fundraiser. The total fundraising goal for the school year is $50,000. How much more money does the school need to raise during the spring fundraiser to reach its goal? Please show your work.
Show two methods to solve an addition problem that has a sum of 3,697. Use two four-digit numbers in each of your problems. Please show your work.