Tahat Just Math · Self-paced practice
Learn and Practice Simple Interest & Maturity Value
Build confidence with simple interest, ordinary interest, exact interest, maturity value, United States Rule through self-paced practice.
- Use I = PRT and find maturity value.
- Count days and compare exact and ordinary interest.
- Solve for principal, rate, or time.
- Apply the United States Rule to early payoffs.
Guided examples by skill
Open a skill, read the idea, then work through one example a step at a time. Use each question’s hint and step-by-step solution controls in Practice problems as needed.
A focused 20-question test
Questions are selected at random from the objectives you choose, with at least one question from each selected objective. Answer in any order, flag questions to revisit, and review everything before you submit. Your score and answer review appear at the end. Use your school-approved tablet; phones should remain put away under classroom rules.
- 20random questions
- 40 minutesauto-submits when time ends
- Tab & focus monitoringends after 3 departures
Switching tabs or focusing another window is counted. Some split-screen modes keep both pages focused and visible, which a website cannot detect. This is not secure proctoring.
The test requests fullscreen when you start. Exiting fullscreen is recorded and pauses the test until you return to fullscreen. If fullscreen is unavailable, you can choose to continue without it.
Choose a learning objective
Practice one skill at a time, or use the full assessment from the hero section to review the entire chapter.
Mixed practice across every objective
Chapter 9 contains 17 questions across 4 learning objectives. Choose any number of questions you like. A random set takes one question from each objective first, so a set of 8 or more questions covers the whole chapter.