Arithmetic 123

Practice primary school math

3,99 € · Designed for iPad. Not verified for macOS.

Learn math at your own pace! 31 modules with explanations, examples and exercises. No ads, no internet needed. Made for primary school. Arithmetic helps primary-school children learn math step by step. The app first explains the concept, then shows an example, and then lets the child practice on their own — just like in class. FIRST UNDERSTAND, THEN PRACTICE Every module follows four phases: • Explanation — the concept is explained step by step with interactive screens • Example — a worked example to go through together • Practice — exercises with hints to help you on your way • Independent — exercises without hints, to show what you can do 31 MODULES, 4 SECTIONS Section 1 — Number sense Numbers up to 100,000, fractions, decimals, ratios, tables and charts, multiples and number patterns Section 2 — Measurement Time, money, temperature, scale, length, volume and weight Section 3 — Geometry Points and lines, angles, polygons, triangles, circles, symmetry, area and perimeter Section 4 — Operations Addition, subtraction, multiplication, division, fraction arithmetic, calculation strategies, percentages, order of operations DESIGNED FOR CHILDREN • Short, clear explanations — never a wall of text • One question per screen — no distractions • Visual learning with interactive number lines, fraction circles, clocks and more • Instant feedback on every answer • No time pressure — the child sets the pace MOTIVATION & REWARDS • Earn stars for every completed phase • Spend stars in the Star Shop on fun profile decorations • Collect stickers in your sticker album • Track your progress and streak on the insights page MULTIPLE PROFILES Several children can share the app on the same device. Each child has their own profile with their own progress. PRIVACY & SAFETY • No ads — ever • No in-app purchases • No internet needed — works fully offline • No personal data collected • All progress stays on the device FOR TEACHERS AND SCHOOLS Arithmetic is available through Apple School Manager for schools that want to buy multiple licenses, at a reduced volume price. Arithmetic covers the core math of primary school (around ages 9–11) and is perfect for practicing at home, for tutoring, or as an extra challenge.

Ratings & Reviews

  • 5.0
    out of 5
    2 Ratings

Arithmetic is now available in many more languages!

Version 1.1

The developer, BBO Consulting, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Size
    • 23.7 MB
    Category
    • Education
    Compatibility
    Requires iOS 26.2 or later.
    • iPhone
      Requires iOS 26.2 or later.
    • iPad
      Requires iPadOS 26.2 or later.
    • Mac
      Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
    Languages
    English and 25 more
    • English, Bulgarian, Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, Gaelic, German, Greek, Hungarian, Irish, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish, Swedish, Welsh
    Age Rating
    4+
    Provider
    BBO Consulting
    • BBO Consulting has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
    • DUNS Number
      372710596
    • Address
      Kapelberg 5
      3001 Leuven
      Belgium
    • Phone Number
      +32 497170070
    • Email
      brechtbollen@bboconsulting.eu
    Copyright
    • © 2026 BBO Consulting
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.