# Number Rack, by MLC — A Math Learning Center Tool

> Virtual bead manipulative for teaching elementary math concepts. (iPhone/iPad app by The Math Learning Center.)

- Source: https://appshunter.io/ios/app/number-rack-by-mlc/id1469094747 (this page in markdown: same URL + `.md`)
- Developer: [The Math Learning Center](https://appshunter.io/developer/1542700905)
- Category: Education
- Price: Free
- Rating: 3.22/5 from 9 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.7 · 4 MB
- Languages: English
- Released: 2019-08-11
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/number-rack-by-mlc/id1469094747/reviews.md

## What is Number Rack, by MLC?

Number Rack facilitates the natural development of children’s number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction strategies. This virtual version of the manipulative is an open-ended educational tool, ideal for elementary classrooms and other learning environments.

FEATURES

• Display 1 to 10 rows of beads, 10 beads per row. 

• Hide beads with resizable covers, which allows teachers or learners to model subtraction or difference problems. 

• Reverse the colors of rows 6 to 10 to distinguish (or not) groupings of 25 beads.

• Use the drawing tools to annotate work and show understanding.

• Add equations, expressions, and descriptions with the math text and writing tools.

• Share work by saving an image or providing a share code to others. Great for creating the initial setup of an activity, then sharing it with students so they can explore it further.

## Key features

- 1-10 rows of 10 beads
- Resizable bead covers for subtraction
- Color-coded bead rows
- Annotation and drawing tools
- Math text and writing tools
- Shareable work via image or code

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/number-rack-by-mlc/id1469094747/reviews.md

### 4/5 — Groping beads

*2023-05-28, version 3.0.2*

I have to grop the whole beads

## Frequently asked questions about Number Rack, by MLC

### What is Number Rack used for?

Number Rack is a virtual manipulative designed to help children develop number sense. It facilitates the exploration of addition and subtraction strategies through interactive bead groupings, making it ideal for elementary math education.

### What math concepts can Number Rack teach?

Number Rack helps learners understand number sense by thinking in groups of fives and tens. It supports the discovery of various addition and subtraction strategies, and can be used to model subtraction or difference problems with its bead covers.

### Can I use Number Rack to show my work?

Yes, Number Rack includes drawing tools for annotation and math text tools to add equations, expressions, and descriptions. You can then share your work by saving an image or providing a share code.

### What devices does Number Rack support?

Number Rack is currently supported on iPads. It is designed as a tool for learning environments, making it accessible on tablet devices.

### How often is Number Rack updated?

The latest version of Number Rack is 3.1, and it was last updated on October 11, 2023. This indicates regular maintenance and potential feature additions by the developer.

### What is the age rating for Number Rack?

Number Rack has an age rating of 4+. This makes it suitable for young learners in preschool and early elementary grades.

### Does Number Rack have ads?

No, Number Rack does not contain advertisements. It is a free application developed by The Math Learning Center.

### What is the user rating for Number Rack?

Number Rack has a user rating of 3.2 stars based on 9 ratings. This suggests a mixed reception from its current user base.

## Version history (last 3 releases)

### 3.1 — 2023-10-11

This version introduces a fixed palette with additional drawing and annotation tools: highlighter, rectangular and round shapes, variable line thickness, and arrowheads.

### 3.0.2 — 2020-08-18

New features in Version 3:

• Share your work by saving an image or url, or providing a sharing code to others. Great for creating the initial setup of an activity, then sharing it with students so they can explore it further.

• Enter text directly from your keyboard with the new writing tool. Add labels, descriptions, or instructional text to your work.

• More easily edit equations and other math text using a traditional text field.

• Drawings on the workspace stay visible when the drawing palette is closed.

• Hide and reveal jumps, numbers, and other elements with multiple resizable covers. 

____________________

Version 3.0.2 includes a number of improvements and bug fixes.

### 3.0 — 2019-08-06

No release notes.

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## More apps by The Math Learning Center

- [Number Pieces, by MLC](https://appshunter.io/ios/app/number-pieces-by-mlc/id605433778)
- [Number Line, by MLC](https://appshunter.io/ios/app/number-line-by-mlc/id751816884)
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- [Number Frames, by MLC](https://appshunter.io/ios/app/number-frames-by-mlc/id873198123)
- [Pattern Shapes, by MLC](https://appshunter.io/ios/app/pattern-shapes-by-mlc/id908511013)
- [Money Pieces, by MLC](https://appshunter.io/ios/app/money-pieces-by-mlc/id1055394278)

All apps by The Math Learning Center: https://appshunter.io/developer/1542700905

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*