Recall
Set 1: Quick Check
Calculate a percent of a base, measure a percentage increase, and recover an original amount.
Percentages, Discounts, and Reverse Percentages
Identify the correct base, convert between percent and decimal form, and verify direct and reverse percentage calculations.
Start Chapter PracticeChapter plan
What you will be able to do
- Translate among fraction, decimal, and percent representations.
- Calculate a percentage of a defined base and a discounted final amount.
- Calculate percentage increase or decrease using the original value as the base.
- Recover an original amount from a final amount and resulting percentage.
- Study time
- 24–30 minutes, self-paced
- Course
- Business Math for Work (Beginner)
- Practice order
- Four sets, completed in sequence
Chapter practice
Practice in chapter order
10 activities · 80% mastery target
Start set 1
Guided application
Set 2: Core Practice
Identify calculation roles, find a final sale price, and order a verifiable reverse-percentage workflow.
Hands-on
Set 3: Workplace Task
Review a fictional promotional price and report a sales change with its base and evidence limit.
Independent check
Set 4: Mastery Check
Recover an original price independently and diagnose a plausible wrong-base solution.