Market Day

Money & Percentages Primary 5 to adults 6 games · 3 min each Free · No sign-up

Everyday maths for older children, teenagers and adults. Run a market stall in naira: shade percentages, work out sale prices, give change, find your profit, grow your savings and check the VAT, with the working shown after every answer.

Play Market Day
Market Day cover: a market stall with fruit and a 25% off naira price tag

Quick facts

Subject
Money & Percentages
Levels
Trainee Trader (Primary 5–6), Stall Owner (JSS 1–3), Market Boss (SSS, WAEC and adults)
Games inside
6 short games
Play time
6 games · 3 min each
Help
Read-aloud, big buttons, keyboard play
Cost
Free forever · No sign-up · No ads

How to play

Choose who is playing, then pick a game. Every round is short, and the results screen shows what you learned and what to practise. Stars are saved on your device only.

  • 💯 Percent Grid: Read percentages from a 100-square grid, and turn fractions and decimals into percentages.
  • 🏷️ Discount Stall: Work out sale prices, and find the price before a discount.
  • 💵 Change Please: Add up the shopping and give the right change.
  • 📈 Profit or Loss: Profit, loss and percentage profit; set a selling price.
  • 🐷 Save & Grow: Simple and compound interest on savings.
  • 🧾 VAT Check: Add VAT at 7.5%, or remove it from a total.

What players learn

Percentages as “out of 100”, fractions and decimals as percentages, discounts and reverse percentages, adding prices and giving change, profit and loss and percentage profit, simple and compound interest, and adding or removing VAT.

For teachers and parents

Market Day supports percentages, profit and loss, simple interest and commercial arithmetic in upper Primary, JSS and SSS Mathematics (including WAEC), and everyday money skills for adults. Prices are made up for practice.

Market Day supports UN Sustainable Development Goal 4 (Quality Education).