# Missing Numbers

> Educational app for young students focusing on addition and subtraction problem-solving. (iPhone/iPad app by Aleesha Kondys.)

- Source: https://appshunter.io/ios/app/missing-numbers/id558503715 (this page in markdown: same URL + `.md`)
- Developer: [Aleesha Kondys](https://appshunter.io/developer/478569400)
- Category: Education
- Price: $1.99
- Rating: 3.50/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 28 MB
- Languages: American English
- Released: 2012-09-11
- Data updated: 2026-06-03
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/missing-numbers/id558503715/reviews.md

## What is Missing Numbers?

Missing Numbers introduces problem solving skills to young students. Problem solving can and should be introduced at this early stage, so that young students can begin to demonstrate mathematical 'talk', through discussion of different ways to solve problems and metacognition.

Missing Numbers focuses on problems involving addition and subtraction. Initially students solve problems through counting all the objects visible or through partitioning or segregation and counting all the objects given. Missing Numbers encourages students to use more sophisticated strategies such as counting backward and counting on. 

Missing Numbers scaffolds students through the use of seen and unseen (hidden) objects, allowing students to 'check' their answer by 'peeking' at the hidden objects and the ability to move objects to allow ease of counting. 

Missing Numbers is broken into four different types of activities:

= How Many =  
How many altogether e.g. 5+6=? 

= Show Me =  
Move the objects to show partitioning in subtraction e.g. 5-2=?

= Addition =  
There are 6 altogether. How many are (hiding) in my hand? e.g. ?+3=6

= Subtraction = 
There are 4 altogether. How many are in the box? 4-?=1.

## Key features

- Problem-solving skills development
- Addition and subtraction focus
- Counting and partitioning strategies
- Scaffolding with visible/hidden objects
- Four distinct activity types
- Encourages mathematical talk

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/missing-numbers/id558503715/reviews.md

### 5/5 — Awesome!

*2012-10-02*

I just love your apps!!

## Frequently asked questions about Missing Numbers

### What age is Missing Numbers suitable for?

Missing Numbers is suitable for children aged 4 and above, as indicated by its age rating. It is designed to introduce problem-solving skills to young students in their early educational stages.

### What math concepts does Missing Numbers cover?

Missing Numbers primarily focuses on addition and subtraction problems. It guides students through various strategies, including counting, partitioning, counting backward, and counting on, to solve these fundamental arithmetic operations.

### How does Missing Numbers help students learn?

The app uses a scaffolding approach with visible and hidden objects, allowing students to 'peek' at hidden items and move objects for easier counting. This interactive method supports understanding and encourages metacognition.

### Does Missing Numbers offer different types of activities?

Yes, Missing Numbers is divided into four distinct activity types: 'How Many' for total amounts, 'Show Me' for subtraction partitioning, 'Addition' for finding hidden numbers in a total, and 'Subtraction' for finding a missing subtrahend.

### What devices can I use Missing Numbers on?

Missing Numbers is available on iPhones, iPads, and iPods, making it accessible for a range of Apple mobile devices. It is designed for iOS platforms.

### How much does Missing Numbers cost?

Missing Numbers is a paid application, priced at $1.99. This one-time purchase grants access to all its features without any additional in-app purchases or subscriptions.

### Does Missing Numbers have ads?

No, Missing Numbers does not contain advertisements. As a paid application with no in-app purchases, it provides an uninterrupted learning experience for young users.

### When was Missing Numbers last updated?

The latest version of Missing Numbers was updated on November 13, 2022. This indicates that the app has received recent maintenance and support from the developer.

## Version history (last 4 releases)

### 1.03 — 2022-11-13

Compatability updates for latest iOS

### 1.02 — 2020-06-09

Various fixes

### 1.01 — 2017-04-25

Compatibility update

### 1.0 — 2012-09-11

No release notes.

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## More apps by Aleesha Kondys

- [Times Tables](https://appshunter.io/ios/app/times-tables/id478569397)
- [Friends of Ten](https://appshunter.io/ios/app/friends-of-ten/id488573871)
- [Teaching Number Lines](https://appshunter.io/ios/app/teaching-number-lines/id492603378)
- [Ladybird Maths](https://appshunter.io/ios/app/ladybird-maths/id500120561)
- [Place Value MAB](https://appshunter.io/ios/app/place-value-mab/id507890987)
- [Subitizing Flash Cards](https://appshunter.io/ios/app/subitizing-flash-cards/id515943889)

All apps by Aleesha Kondys: https://appshunter.io/developer/478569400

## Related topics

[aleesha kondys](https://appshunter.io/ios/topics/aleesha-kondys)

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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 2026-06-03.*