01 · 20–30 min
Compound interest
Enter 1,000, a monthly deposit of 50 and a 5% return. Compare 10 and 20 years. What share comes from your deposits?
FINANCETOYS
Money lessons you can experience.
Bring real decisions into the classroom. Students explore, compare and explain results.
Classroom worksheets
02 · 20–30 min
How a mortgage works
Enter a 200,000 loan at 4%. Compare 20 and 30 years. How do monthly payments and total interest change?
03 · 20–30 min
Budget & buffer
A family earns 3,000 and spends 2,400. How much can it save in a year? How long to build six months of expenses from zero?
04 · 20–30 min
Inflation & purchasing power
Compare the purchasing power of 10,000 after ten years at 2%, 3% and 5% inflation. Explain nominal versus real value.
More tools for teaching
ModernScholar educational games and quizzes — complement the calculators with interactive practice in mathematics and other subjects.
EduPrintables printable worksheets — explore materials and tools for preparing exercises for the classroom and practice at home.