Gummii - Math apps that work.

Gummii Multiply

Adaptive Modules that deliver improvement in multiplication skills from Grade 2 to 5.

Gummii 3D

Develops math reasoning independently, while reinforcing our core curriculum.

Gummii Class

Collect and export learner data from Gummii apps.

Gummii Sticks

A touch screen twist on an educational classic: Japanese Multiplication reimagined for iPad.

A touch screen twist on an educational classic: Japanese Multiplication reimagined for iPad.

App Store Link

Make your own question.

Understand long multiplication.

Pinch blocks to show remainders.

Write your answer.

Key Moments

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How Blocks Are Made

As the sticks intersect, learners can see how the addends of a long multiplication problem get created. How 1s X 1s makes 1s, how 1s X 10s makes 10s, how 10s X 10s makes 100s.

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A 2-D Operation

Blocks can be combined by pinching. Even cooler: 1s are combined vertically and 10s horizontally, underlining the dimensional nature of multiplication.

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The Write Way

Learners complete the question by writing in their responses from 1s to 100s, reinforcing the connection with the Standard Algorithm.

Plus many more!

App Store Link