Partial Difference Subtraction
Istruzione
3,99 € · Progettata per iPad
App inclusa inoltre in
Partial Differences Subtraction helps students learn and practice the partial differences subtraction method step by step.
The app gives students a visual way to subtract numbers by working with each place value separately. The partial differences are then combined to find the final answer.
Students can solve randomly generated problems or enter their own subtraction problems. The number of digits can be adjusted for different skill levels.
The Partial Differences Method:
In the partial differences method, each place value is subtracted separately from left to right. For example, in 936 − 580, the partial differences are 400, −50, and 6. These are then combined to get the final answer: 356.
Teacher endorsement:
“The math apps by Esa Helttula allow students to practice and reinforce the specific computation strategies taught in class, with as much or as little scaffolding as necessary. They also provide individualized feedback to each student, with an immediacy that is not always possible through pencil and paper practice.”
— R. Zeni, Ecole Sandy Hill Elementary, Abbotsford, BC, Canada
Easy to Use:
The numbers are aligned automatically so students can focus on solving each column. After the student solves the operation for each column, the correct answer moves into the right place. If the student presses the wrong button, the answer appears above the keyboard but does not move.
Features:
- Step-by-step partial differences subtraction practice
- Each number can have 2–3 digits
- Randomly generated or manually entered problems
- Current operation for each column can be hidden
- Operands of the current operation can be highlighted
- Customizable interface colors
- Adjustable animation speed
Other iDevBooks Math Apps:
Other iDevBooks math apps include Column Addition, Long Multiplication, Long Division, Column Subtraction, Visual Multiplication Table, Partial Quotients Division, Partial Products Multiplication, Partial Sums Addition, Decimal Rounding, and more.
Feedback:
New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback.
Privacy:
This app has no ads, no in-app purchases, and does not transmit user data during operation. The app also does not contain links to other apps or to the web.
Valutazioni e recensioni
- L’app non ha ricevuto un numero sufficiente di valutazioni o recensioni per poter mostrare una panoramica.
Updated for iOS 26 compatibility.
Lo sviluppatore, Esa Helttula, ha indicato che le procedure per la tutela della privacy dell’app potrebbero includere il trattamento dei dati descritto di seguito. Per scoprire di più, consulta l’informativa sulla privacy dello sviluppatore .
Dati non raccolti
Lo sviluppatore non raccoglie alcun dato da quest’app.
Accessibilità
Lo sviluppatore non ha ancora indicato le funzioni di accessibilità supportate dall’app. Scopri di più
Informazioni
- Dimensioni
- 900,1 KB
- Categoria
- Istruzione
- Compatibilità
Richiede iOS 17.6 o versioni successive.
- iPhone
Richiede iOS 17.6 o versioni successive. - iPad
Richiede iPadOS 17.6 o versioni successive. - Mac
Richiede macOS 14.6 o versioni successive e un Mac con chip Apple M1 o versioni successive.
- iPhone
- Lingue
- Inglese
- Età
4+
- 4+
- Ideale per bambini di 9-11 anni
- Fornitore
Esa Helttula
- Esa Helttula non si identifica come operatore commerciale per questa app. Se ti trovi all’interno dello Spazio economico europeo, i diritti dei consumatori non si applicano agli accordi tra te e il fornitore.
- Copyright
- © Esa Helttula

