Published by Aplity

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About Addition and Subtraction

1. In each one of the levels you will find differents games that the child will gradually learn to add because this app is designed so that pressing on a number this is lit in red color if the answer is a mistake and green if the answer is correct.

2. In the Sums Game section and the Subtraction Game you will find the different levels at which the game is divided: easy level, intermediate level and difficult level.

3. When the child does the sum and press the correct number and turns green they just have to press the "next" button to move to the next sum.

4. This app is designed to offer a fun and effective learning environment in which children can learn while they are having fun.

5. In this way the child can complete all the sums for himself because the app shows him at all times if the answer was correct or if he made a mistake.

Addition and Subtraction Customer Insights

1. Think it will be more helpful to kids if there's also an illustration to it like fading/popping up of objects when adding/subtracting..or like three are slashed of the five objects under "5 - 3"...well, thanks!Nice app.

2. You never know where the end is so there's no reward for the child for finishing a set of sums.Very nice app.

3. The advert is frustrating because if it gets touched the app effectively closes and you start again.

4. It's just that until you back the page, the game can't be over.This game is very good for my 6 year old girl.

5. You can't start from where you left off you just have to do the same sums again.

6. The numbers are so stylised I don't think my son even realised they are numbers.

7. The sums are always the same and in the same order.

8. You can't choose levels of difficulty.

9. It's an advanced math for my preschool.

10. This app had such promise but it's rubbish.

11. It's good.

Steps to Troubleshoot & Fix Addition and Subtraction Issues

1. Fix Addition and Subtraction Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Addition and Subtraction: Restarting the app will resolve most errors.
  2. Update the Addition and Subtraction App. Here is how:
    1. On Android goto PlayStore » Search for "Addition and Subtraction" » Open Addition and Subtraction » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Addition and Subtraction » click "UPDATE".
  3. Clear Addition and Subtraction app cache: Clearing cached data will force your app to retrieve the latest data directly from Addition and Subtraction servers.
    1. On Android, goto Settings » Apps » Select "Addition and Subtraction" » click Storage » click "Clear Cache".
  4. Check Addition and Subtraction app permissions. If any of these permissions required to use your device's features are disenabled, Addition and Subtraction might not work.
  5. Uninstall and reinstall Addition and Subtraction. If nothing else has worked, completely uninstall Addition and Subtraction then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Addition and Subtraction not working


2. Fix Addition and Subtraction Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Addition and Subtraction be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Addition and Subtraction not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Addition and Subtraction may not be able to connect to the Internet when running in the background.

Reported Issues

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