

Addition, subtraction, multiplication, division — or all of them at once.

Level 1 of every operation is free; levels 2–10 are in Premium. You can enable a time limit.

Choose from 18 task types. Availability depends on the operation and level.
Filter by operation. Not every task type is available at every level — see the descriptions for level ranges.
Calculate the result. Depending on the level, choose an answer or enter it on the keypad.
Drop in the missing number so the equation is correct.
Check whether the equation on screen is correct or someone got it wrong.
Add or subtract objects using the numbers beside them. Levels 1–2.
Spot the rule behind the number pattern and fill in the one that's missing.
Solve two equations in your head and pick the one with the bigger result.
Match each expression to its result by selecting the corresponding cards.
Drag the results into order, from smallest to largest.
Fill the missing number to balance both sides. Multiplication: levels 3–6; other operations: 1–10.
Flip cards two at a time and remember where each equation meets its answer.
Tap the right spot on the number line to mark where the answer sits.
A number splits into two parts; figure out which part is missing.
Pop only the bubbles with the right answer; leave the wrong ones alone.
Pick planks with the right answers so EduBert can cross to the other side. Wrong plank costs a heart.
Catch the falling items showing the right number and let the wrong ones drop. A full catch finishes the round.
Help EduBert choose a path at each junction by solving expressions. A wrong answer costs a heart.
Multiply the given rows by columns. Multiplication, levels 1–4.
Use the given numbers to divide objects into equal groups. Division, levels 1–4.
Showing 18 of 18 engines
The adventures (Park, City, Beach, Forest) have a story, characters and are linear — the child plays through 10 scenes in a fixed order. The Meadow is training without a story. The child decides what to practice today and how.
Level 1 of every operation is free. Unlock levels 2-10 with the Premium plan.
Each world teaches a different operation — pick your next one!