Subtraction · Take-Away Trail

Take away, compare, count back, and regroup.

Interactive mathematics

Live subtraction changes

Minuend

Subtrahend

Difference

Remaining now

Regrouping

Visual step

Subtraction experiments

Experiment

Minuend

Subtrahend

My prediction

Show the current equation on canvas

Simulation speed1×

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Live difference history

Each change adds a point. Tracking a group highlights its contribution.