About Rocket 123s
A clinical-grade learning app that helps children ages 3-7 recognize, sort, and develop foundational understanding of numbers - designed by Dr. Donalee Markus, a Northwestern-trained neuroscientist with 40 years of...
A clinical-grade learning app that helps children ages 3-7 recognize, sort, and develop foundational understanding of numbers - designed by Dr. Donalee Markus, a Northwestern-trained neuroscientist with 40 years of practice working with children. WHAT IT TEACHES . Number recognition (1-10 and beyond) . Form constancy - recognizing the same number across fonts and styles . Number sorting and basic sequencing . Foundations of mathematical reasoning . Visual processing of numerical symbols WHO IT'S FOR . Children ages 3-7 . Pre-K and kindergarten learners . Children with learning differences who benefit from explicit practice . Children with delayed math readiness . Used by parents, teachers, and clinicians WHAT MAKES IT DIFFERENT Rocket 123s is built on the same three-pillar neurocognitive model that Dr. Markus uses with adult patients - Attention, Intention, Rehearsal. The exercises are hierarchical and progressive, designed to build genuine skill rather than just keep a child engaged. ABOUT THE DEVELOPER Dr. Donalee Markus has practiced cognitive restructuring since 1983, including extensive work with children. She earned her Ph.D. at Northwestern University and completed post-doctoral training under Reuven Feuerstein.
Version History What's New • Updated number library • Improved progression • Stability fixes 2.1 May 11 Updated Graphic and font variations. 2.0.2 03/04/2024 - updated Graphic User Interface and theme 2.0.1 12/21/2020 - Updated UI interface 1.9.1 06/26/2020 - Updated number to include underscore 1.9 06/01/2020 - Bug fixes 1.7 07/02/2019 - display bug fixes 1.6 04/17/2019 The app has been expanded to include English and Spanish. The app now includes images to illustrate each number. 1.5 03/11/2019 - UI updates 1.1 04/20/2018 1.0 03/03/2018
Previous Versions
Here you can find the changelog of Rocket 123s since it was posted on our website on 2023-09-06 22:48:52.
The latest version is 2.1 and it was updated on 2026-06-24 14:44:54. See below the changes in each version.
Rocket 123s version 2.1
Updated At: 2026-06-03
Changes: Version History What's New
• Updated number library
• Improved progression
• Stability fixes 2.1 May 11 Updated Graphic and font variations. 2.0.2 03/04/2024 - updated Graphic User Interface and theme 2.0.1 12/21/2020 - Updated UI interface 1.9.1 06/26/2020 - Updated number to include underscore 1.9 06/01/2020 - Bug fixes 1.7 07/02/2019 - display bug fixes 1.6 04/17/2019 The app has been expanded to include English and Spanish. The app now includes images to illustrate each number. 1.5 03/11/2019 - UI updates 1.1 04/20/2018 1.0 03/03/2018
Rocket 123s version 2.0.2
Updated At: 2024-03-04
Changes: Mar 4, 2024
Version 2.0.2
Updated Graphic and font variations.
Rocket 123s version 2.0.2
Updated At: 2024-03-04
Changes: Updated Graphic and font variations.
Rocket 123s version 2.0.1
Updated At: 2020-12-21
Changes: Dec 21, 2020
Version 2.0.1
- updated Graphic User Interface and theme
Disclaimer
Official App Store Link
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