StarSum

Free

5.0for iPhone, iPad

Susan Chen

Developer

Jun 12, 2017

Update Date

Education

Category

App Store

Age Rating

Apps in this category do not contain restricted content.

Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

StarSum Screenshots

iPad

iPhone

About StarSum

StarSum is a game to practice addition and subtraction of 2 digits. It contains 4 expressions. Each expression has 3 operands and 2 operators.

There are 4 circles along the right side. These circles show the results of these 4 expressions.
1. The top 2 circles show the results for the top pair of 2 expressions.
2. The bottom 2 circles show the results for the bottom pair of 2 expressions.
3. The goal of this game is to swap the operands to make the top 2 expressions have the same results and the bottom 2 expressions have the same results.

4. The player could choose to practice plus only or the combination of plus and minus.
5. It supports 5 levels.
Level 1: the player needs to swap 4 operands.
Level 2: the player needs to swap 5 operands.
Level 3: the player needs to swap 6 operands.
Level 4: the player needs to swap 7 operands.
Level 5: the player needs to swap 8 operands.