CONTROL
THE %.
Turn fractions into percentages, percentages into quantities, and percentages into real decisions. Decode discounts, profit and loss, tax, simple interest, increase and decrease.
Build a percentage.
Move the percentage and watch the same value appear as a fraction, decimal, and visual part of 100.
Three faces of the same number.
Percentage, fraction and decimal are different representations of the same quantity.
Find the percentage of a quantity.
To find p% of a number, convert p% to a fraction or decimal, then multiply.
Two routes
Increase or decrease.
A percentage change is measured against the original amount, not the new amount.
Increase: 500 + 75 = 575.
New amount = original × (1 ± rate)
Discount. Profit. Tax. Interest.
Applications become easier when you identify the original amount and the percentage applied to it.
Calculate. Explain. Verify.
Choose a mission type, solve it, then verify using the percentage relationship.
Flashcards: quick scan.
Small cards are for retrieval practice. Tap to flip. The deck changes when shuffled.
Large flashcard.
Stop. Think. Explain the relationship in your own words.
Real-world percentage missions.
Use percentages in shopping, marks, population, savings, business, tax and interest.
Teach it like a briefing.
Use this mode for a lesson, revision, or classroom explanation. Arrow keys work too.
Three attempts. Then reveal.
Every new set generates different Class 8 percentage problems. Three attempts per question keeps the focus on reasoning.