The Sorobany Blog
Practical guides, comparisons, and teaching ideas for families, schools, and young learners.
Mental Math for Kids: The Complete Guide to Mental Arithmetic
Six mental math strategies with worked examples, how the soroban helps and a four-week practice plan.
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What Is a Soroban? A Complete Guide to the Japanese Abacus
How the Japanese abacus works, how to read numbers on it, its history and what it really does for children learning maths.
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7 Benefits of Soroban for Kids (and What Research Really Shows)
Seven practical benefits of soroban for children, an activity for each and an honest summary of the research.
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How to Learn Soroban at Home: A Parent’s Guide with a 4-Week Plan
Everything parents need to start soroban at home: equipment, session structure, a four-week plan and troubleshooting.
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Best Age to Start Soroban: Readiness Signs and Tips by Age
When children are ready for soroban, what to expect at each age and how to adapt the first lessons.
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Soroban vs Mental Math Apps: Which Is Better for Kids?
What soroban and mental math apps really train, a side-by-side comparison and how to combine them.
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10 Easy Soroban Exercises for Beginners (with Answers)
Ten step-by-step soroban exercises for beginners, from showing digits to friends of 5, with success criteria and answers.
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8 Common Mistakes Parents Make When Teaching Soroban at Home
The eight most common home-teaching mistakes, why they matter and what to do instead.
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How Soroban Improves Focus, Memory and Confidence in Kids
What soroban practice asks of attention, memory and confidence, activities for each and what research supports.
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A Simple 10-Minute Daily Soroban Routine for Kids
A ready-to-use 10-minute soroban routine, a sample week and tips to make the habit stick.
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Friends of 5 and Friends of 10 in Soroban: Complete Rules
Small friends and big friends explained, with complete rule tables, worked examples and practice problems.
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How Teachers Can Use Soroban in the Classroom
A ready-to-use 15-minute lesson, four classroom formats, a six-week plan and assessment tips.
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Physical Soroban vs Digital Soroban: Which Should You Choose?
Real abacus or virtual soroban? A point-by-point comparison and the best combination for home and class.
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When and How to Introduce Anzan (Mental Abacus)
Readiness signs, four stages from beads to mental calculation, first exercises and fixes for common difficulties.
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