# Number Line

> Educational game for ordering fractions, decimals, and percents on a number line. (iPhone/iPad app by Todd Bowden.)

- Source: https://appshunter.io/ios/app/number-line/id319589184 (this page in markdown: same URL + `.md`)
- Developer: [Todd Bowden](https://appshunter.io/developer/319589187)
- Category: Education, Games
- Price: Free
- Rating: 3.00/5 from 665 App Store ratings · 25 written reviews indexed
- Age rating: 4+
- Requires: iOS 2.0 · 1 MB
- Languages: American English
- Released: 2009-06-17
- Data updated: 2026-08-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/number-line/id319589184/reviews.md

## What is Number Line?

My new app NumberLine2 for iOS7, iPad & iPhone5 is now available.  Go to numberline2.com or tap on “Developer Apps” to find it.   

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WINNER OF THE VIRGINIA MOBILE LEARNING
APPS DEVELOPMENT CHALLENGE
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Number Line is an educational game app to help students learn about fractions, decimals, and percents by ordering equivalent fractions, decimals, and percents on a number line.  The app features multiple levels where the player must drag circles with either a percent, decimal or fraction onto a number line in the correct sequence.  A score is earned based on the time it takes to put all the circles in the correct order (faster is better), plus points for each correct placement, minus points for each error.

## Key features

- Order fractions, decimals, and percents
- Interactive number line gameplay
- Multiple difficulty levels
- Scoring based on speed and accuracy
- Drag-and-drop interface

## What do users think of Number Line?

Overall sentiment: positive

**Pros**

- 📚 Excellent educational tool for teaching fractions, decimals, and percents
- 🎮 Addictive and fun gameplay that engages students
- 🎨 Gorgeous design with simple and elegant interface
- ✅ Helps build number sense and improves mathematical understanding
- 💯 Free application with high-quality execution
- 👨‍🏫 Highly effective for classroom use and student practice

**Cons**

- 🐛 Difficult to move numbers/circles on screen
- 🐛 Screen slides left and right unintentionally
- 🐛 Some circles won't move at all
- ❌ No level progression saving - always restarts at level 1
- ❌ Missing UI elements (no visible done button)
- ⚙️ Limited customization options for difficulty and content types

**Commonly reported bugs**

- Numbers/circles difficult or impossible to move
- Screen slides horizontally when trying to interact with numbers
- Some circles unresponsive to touch input
- Done button not visible or accessible
- Level progress not saved between sessions

**Most requested features**

- Remember last level completed and save progress
- User login system to track multiple users per device
- Level selector to start at higher levels
- Toggle options for decimals, fractions, and percents separately
- Adjustable decimal point precision (1, 2, or 3 digits)
- High score list and performance tracking
- Easier beginner levels for young children
- Ability to view completed number line for comparison
- Younger version or kid-friendly levels with fewer items

## Recent user reviews (10 of 25)

All indexed reviews: https://appshunter.io/ios/app/number-line/id319589184/reviews.md

### 3/5 — I liked it

*2015-06-26, version 0.1*

I realy loved this app, but I can't move anymore those numbers. The whole screen slides left and right.

### 1/5 — Difficult to use

*2015-03-08*

I, the adult, found it impossible to move the numbers onto the number line. Didn't even show it to my child. Deleted!

### 1/5 — Can't get it to work...

*2014-11-19, version 0.1*

I was really excited about this app until I started playing the game.  I could not easily move the circles and one just would not move at all.  I'm using a brand new Itouch as well.   If anyone has a suggestion on how to move the circles better please let me know.

### 5/5 — Wildly addicting

*2013-02-05, version 0.1*

As a teacher of 5th graders, this app is fabulous. The kids love it. It really helps build number sense and relative size. I've seen a big improvement in my students' ability to order fractions, decimals and percents.

### 5/5 — Awesome

*2013-01-06, version 0.1*

If you say this game is only for nerds then be quiet because this game is addicting and fun!!!!!

### 5/5 — Amazing App

*2012-08-28, version 0.1*

Best since the beginning of apps!!!!

### 4/5 — Does it ever end?

*2011-07-15*

Level 26 and counting...!

### 4/5 — Teacher

*2011-03-13, version 0.1*

This is great and will be using it in my classroom. The levels don't save so I only gave it a 4.

### 2/5 — Has petential...

*2011-02-18, version 0.1*

Placed the numbers in sequence but couldnt find the done button to see if i was right

### 1/5 — Stupid

*2010-12-08, version 0*

Only 4 nerds. :P

## Frequently asked questions about Number Line

### What does the Number Line app do?

The app is an educational game designed to help students learn about fractions, decimals, and percents. It allows users to practice ordering equivalent values on a number line by dragging and dropping them into the correct sequence.

### How does the scoring work in the app?

Scoring is based on a combination of speed and accuracy. Players earn points for each correct placement of a fraction, decimal, or percent on the number line. Points are deducted for errors, and a faster completion time results in a higher score.

### Is this app free to use?

Yes, the application is available for free. There are no in-app purchases or advertisements mentioned, indicating a completely free user experience.

### What devices is the Number Line app compatible with?

The app is designed for iOS devices, specifically mentioning compatibility with iOS7, iPad, and iPhone 5. Users can find it by searching for 'NumberLine2' or by tapping on 'Developer Apps'.

### What are the main learning objectives of this app?

The primary learning objective is to help students understand and visualize the relationships between fractions, decimals, and percents. By ordering these equivalent values on a number line, users can build a stronger conceptual grasp of their interconnections.

## Version history (last 1 release)

### 0.1 — 2009-06-17

No release notes.

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## More apps by Todd Bowden

- [History Line](https://appshunter.io/ios/app/history-line/id393452083)
- [Number Line 2](https://appshunter.io/ios/app/number-line-2/id770976679)
- [Calculator Widget Pro •](https://appshunter.io/ios/app/calculator-widget-pro/id6464080498)

All apps by Todd Bowden: https://appshunter.io/developer/319589187

## Related topics

[teaching number lines](https://appshunter.io/ios/topics/teaching-number-lines) · [the number line](https://appshunter.io/ios/topics/the-number-line) · [cosmic number lines](https://appshunter.io/ios/topics/cosmic-number-lines) · [number line](https://appshunter.io/ios/topics/number-line)

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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 2026-08-26.*