APR — annual percentage rate
Explore why aPR standardises the comparison.
In this lesson
APR — annual percentage rate is part of What Is Interest?. This preview shows how interest-growth connects to everyday family decisions such as earning, saving, spending choices, goals, approvals, or parent-guided money conversations inside Progress Penguin.
Today’s money mission
Imagine this situation: Loan A: 2% per month. Loan B: 20% APR.
What you need to know
APR standardises the comparison. A monthly rate, weekly rate, or 'flat fee' can all be converted to APR. Always compare APR to APR — it prevents being misled by rates quoted in other periods.
Real-life example
Real-life money moment: A fintech ad says: 'Borrow at just 1.5% monthly.
Progress Penguin connection
Open a savings goal and look at the target and deadline. Calculate the implied weekly contribution rate. Now calculate the implied annual 'return' on your effort if you hit the goal exactly on time. That is your personal savings rate — expressed as a percentage.
Activity preview
Try the money challenge
Match each key term from this lesson to its definition. The trickiest pair connects to: aPR standardises the comparison. If a match feels wrong, reread the guided explanation and try again.
Practice adding money to savings
Open Requests and make a deposit request into savings so you can see how saving starts. Parent approval can happen later.
Quiz preview
APR is:
Loan A: 2% per month. Loan B: 20% APR. Which is more expensive annually?