# Number Line Math 3-6

> Number Line Math 3-6 (iPhone/iPad app by Classroom Focused Software.)

- Source: https://appshunter.io/ios/app/number-line-math-3/id1006269724 (this page in markdown: same URL + `.md`)
- Developer: [Classroom Focused Software](https://appshunter.io/developer/406741679)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 33 MB
- Languages: American English
- Released: 2015-06-24
- Data updated: 2026-03-25
- User reviews in markdown: https://appshunter.io/ios/app/number-line-math-3/id1006269724/reviews.md

## What is Number Line Math 3?

Part of the Math Practice Tools CFS Bundle

Designed for use in middle and upper elementary classrooms. Work with 2-digit addition and subtraction problems in six forms:
• JOIN with RESULT unknown
• JOIN with CHANGE unknown
• JOIN with START Unknown
• SEPARATE with RESULT unknown
• SEPARATE with CHANGE Unknown
• SEPARATE with START Unknown

Set the options to work with one form of problem at a time or mix in any combination. 
Set the range of sums/minuends as 10-25; 26-50; 51-99. 
Set an option to include negative numbers.


## Version history (last 5 releases)

### 1.0.7 — 2018-12-04

Fixed a display issue seen on the 12.9 inch iPad Pro.

### 1.0.6 — 2018-11-30

• Updated to support iOS12 - thank you for your patience.
• A few other minor tweaks
• As time allows, I'd enjoy hearing how you're using this app in the classroom and at home.

### 1.0.5 — 2016-09-20

Fixed a screen display problem seen when using the app under iOS 10.

### 1.0.1 — 2016-06-24

NumberLine 3-6 1.0.1 Update

• Fixed the spelling of “shift” in the instructions.
• Fixed an error that appeared when selecting the “minus” sign before a problem was displayed.
• Fixed an error that appeared when selecting the “minus” sign when it was the only item displayed in the answer.
• Fixed the “minus” sign button so it now highlights properly.
• Settings will now be maintained when exiting Number ID and changing to another app. However, quitting the app will still reset all options to the default settings.
• Fixed a couple other minor annoyances. Please let me know if you find others.

### 1.0 — 2015-06-24

No release notes.

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## More apps by Classroom Focused Software

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All apps by Classroom Focused Software: https://appshunter.io/developer/406741679

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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 2026-03-25.*