Grade 9 · Number
Financial Literacy — Interest and Budgeting
Financial mathematics is mathematics that students will use every year of their adult lives. Simple interest (I = Prt) introduces a formula with four variables — changing any one changes the others. Budgeting requires adding, subtracting, and comparing quantities in context. These applications give number sense immediate, lasting relevance.
LESSON VIDEO
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Lesson video
A short walkthrough to play in class or assign for flipped/at-home viewing.
WHAT STUDENTS WILL LEARN
✓Calculate simple interest using I = Prt
✓Distinguish between simple and compound interest
✓Create and analyze a personal budget
✓Apply financial reasoning to real-world decision-making