Word Problems: Learning to Choose the Operation Before Calculating
Why pupils add every number in the problem, and how to teach them to understand the situation before calculating.
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Mental mathClassroom games for the interactive whiteboard
Mental math, operations, geometry, telling time: games that open in one click and get the whole class involved.
- Free
- No sign-up
- Nothing to install
Choose by subject
Where to start
All games
Mental math
MeasurementThe Clock
Tell the time, set the hands and work out durations, in 12-hour or 24-hour format.
GeometryShape Hunt
Shapes scroll along three lanes. Tap the right ones before they get away.
OperationsWhich Operation?
Read the problem, choose the operation, then calculate. One-step and two-step problems.
Mental mathCanoe Race
Every right calculation moves the canoe forward. Watch out for the whirlpool after a mistake.
OperationsThe Magic Column
Written addition, subtraction and multiplication, digit by digit, carrying included.Ready in under a minute
Pick a game
Filter by subject and read the page: goals, how it runs, and tips for the classroom.
Set it up
Level, number of questions, way of playing. Several games accept your own questions.
Launch it on the board
The game opens full page, with no ads. At the end, the results show what still needs work.
From the teacher’s blog
All articlesGetting the Whole Class Playing on One Interactive Whiteboard
One board, thirty pupils: how to organize teams and turns so that everyone is thinking during the game.
Read the articleLearning to Tell Time: Five Common Mistakes and How to Fix Them
Swapped hands, the wrong hour, misread minutes, 12-hour or 24-hour time, durations: five classic mistakes and practical ideas for the classroom.
Read the articleFrequently asked questions
Are the games really free?
Yes. The site is funded by the ads shown on the description pages and articles. The game screens have none.
Do I need an account?
No. Just open the game’s page and click “Start the game”. Neither pupils nor teachers need an account.
What devices do the games work on?
Any device with a recent browser: interactive whiteboard, computer with a projector, tablet or phone.
Do I need an Internet connection?
You need one to open the game. Once the page has loaded, the game runs in the browser without exchanging any data.
Are pupils’ results saved?
No. Settings are kept only in the device’s browser, and nothing is sent to the site.