Add and subtract within 20

Add and subtract within 20

by Sergey Malugin

0 ratings
1 review
$2.99

Details

  • Released
  • Updated
  • December 10, 2013
  • March 8, 2025

Features

Add and subtract within 20 video #1 for iPhone
Add and subtract within 20 screenshot #2 for iPhone
Add and subtract within 20 screenshot #3 for iPhone
Add and subtract within 20 screenshot #4 for iPhone
Add and subtract within 20 screenshot #5 for iPhone
Add and subtract within 20 screenshot #6 for iPhone
Add and subtract within 20 screenshot #7 for iPhone
Add and subtract within 20 screenshot #8 for iPhone
Add and subtract within 20 screenshot #9 for iPhone
Add and subtract within 20 screenshot #10 for iPhone
Add and subtract within 20 screenshot #11 for iPhone
iphone
ipad
🖼️Get Icon
Icons↘︎

About

This app transforms math practice into an exciting adventure for children. It uses interactive mini-games and handwriting recognition to make learning addition and subtraction within 20 fun and effective. The difficulty adapts to your child's progress for a personalized experience.

Interactive mini-games
Handwriting recognition
Adaptive difficulty
Targeted addition/subtraction practice
Natural learning input
Show original description

What's New in Add and subtract within 20

5.0.0

March 8, 2025

Updated to iOS SDK 18.2 and AIR SDK 51.1

User reviews

Great

Exactly the type of adding app I have been looking for! I have taught my students to use tally marks to add and this app allows them to draw those marks. We do have to erase those tally marks from the screen before writing the final answer, which is why it is 4 stars.

Developer apps

FAQ

What age is Add and Subtract within 20 suitable for?

Add and Subtract within 20 is suitable for children aged 4 and above. The app's content and gameplay are designed to be engaging and educational for this age group.

How does Add and Subtract within 20 help children learn math?

The app uses interactive mini-games and handwriting recognition to make learning addition and subtraction within 20 fun and effective. It offers targeted practice and adapts difficulty to keep children motivated.

Can children write their answers in Add and Subtract within 20?

Yes, the app features advanced handwriting recognition technology, allowing children to write their answers naturally. This enhances both their math skills and handwriting.

What devices is Add and Subtract within 20 available on?

Add and Subtract within 20 is available on iPhone, iPad, and iPod. It is designed to work across these Apple devices.

How often is Add and Subtract within 20 updated?

The app was last updated on March 8, 2025, indicating regular updates to improve performance and features. The latest version is 5.0.0.

What is the price of Add and Subtract within 20?

Add and Subtract within 20 is a paid app with a price of $2.99. There are no in-app purchases or subscriptions required after the initial purchase.

Does Add and Subtract within 20 have ads?

No, Add and Subtract within 20 does not contain advertisements. The app is ad-free, providing an uninterrupted learning experience for children.

What specific math skills does Add and Subtract within 20 focus on?

Add and Subtract within 20 specifically focuses on improving addition and subtraction skills with numbers up to 20. It aims to build a strong mathematical foundation in these areas.