For classroomsMultiplication you can see,
Multiplication you can see,
one egg at a time.
A giant, projector-friendly egg carton for teaching arrays, factors, and the distributive property. No setup, no sign-in — just point, count, and split.
Free. Works in any browser.
4 × 5 = 20
See the array
Build any rows × columns and let students count, group, and reason about the structure.
Factor & distribute
Slice the carton to make factor pairs and the distributive property visible and intuitive.
Whole-class ready
Big, bold, projector-first design. Great for mini-lessons, number talks, and warm-ups.
Big mode
Tackle 2-digit multiplication with a large split-array. Split rows and columns, label each piece, and reveal the partial products step by step.
Decimal mode
Multiply decimals like 1.2 × 2.3 using a tenths grid. Toggle gridlines, split the axes, and see why the answer has two decimal places.