Subtraction Mathematics

The best way to learn multi-digit subtraction. Handwrite answers. It teaches, tracks progress, and helps a child learn what they don't know quickly.

SUBTRACTION is a smart math app that teaches children how to subtract multi-digit numbers together. It monitors what the student knows and where they still need practice. It teaches step-by-step how to subtract small numbers and then progresses to multi-borrow subtraction. SUBTRACTION is encouragement-based providing positive reinforcement for the student's effort both visually and auditorily. The student, parents, and teachers can all quickly see where the student needs more practice in a color-coded format.

Go from simple math facts like 3-1=2 to more difficult equations such as 904-795, with the app showing you the correct answer if you make a mistake. Full customization is possible including choosing the specific digit combinations you want to review or practice. Excellent for beginners just learning subtraction or a quick review for slightly older students.

Students practice writing numbers too. AI converts the student's handwritten numbers into digits. Single-digit subtraction is free. Multi-digit subtraction with borrowing along with custom colors, specific numbers to learn, different character voices, and background music requires an in-app purchase.

FEATURES ► Simple and visually appealing ► Make it as easy or hard as you want + 1-3 digit numbers + without borrowing + with borrowing + only practice certain digits or all of them ► Step-by-step instructions if a student wants + forces precise digit order into the correct fields + makes it impossible to move on with a wrong digit + with visual instructions for each entry ► Animated character with encouragement

• completely optional for older students
• 3 different voices ► Complete customization
• specific numbers included or excluded
• color design of screens
• option to show the correct answer in case of an error
• choices of optional background music
• sounds/vibrations on right/wrong answers
• moves to the next problem if the correct answer is input ► Intelligent
• Remembers mistakes and helps practice for mastery ► AI-based handwriting Recognition
• write the answers
• great for practicing handwriting ► Feedback / Monitoring
• Positive/Negative sound reinforcement
• Summary of progress in both table and graph form
• Easy for student/parent/teacher to monitor progress ► NO ADS, ALL FEATURES ENABLED

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