My child can’t focus when studying – what can I do? 8 ways Japanese classrooms build concentration (for ages 5–8)
“Five minutes at the desk and my child is twisting round, chatting, going off for a drink of water” – this is the sentence we hear most often from parents of 5- to 8-year-olds. Before you worry that something is “wrong”, it helps to know that a 6-year-old who can focus on an assigned task for about 10–15 minutes is perfectly normal. The right question is not “how do I get my child to sit for an hour?” but “how do I make those 10 minutes real concentration, and then stretch them little by little?”. This article shares 8 methods that Japanese classrooms – and our own soroban classes – use every day.
Children aged 5–8 cannot yet concentrate for long, but they can learn how to start paying attention and how to hold it in short blocks. How: a fixed starting ritual; split work into timed blocks of 5–7 minutes; a clear desk and one task at a time; sit with good posture; work at the right level (about 80% correct); let your child see their own progress; stop while they still want to carry on; and enough sleep and exercise. If your child cannot focus in any situation, even when playing something they love, and this has lasted more than 6 months, see a pediatrician or a child psychologist.
How long can a 5- to 8-year-old normally concentrate?
A rule of thumb used by many educators: about 2–3 minutes per year of age for a task set by an adult (not a game the child has chosen). That means age 5: 10–15 minutes; ages 6–7: 12–20 minutes; age 8: 16–24 minutes. This is why a lesson in a Japanese primary school lasts 45 minutes but is divided into several short activities, and why our soroban class splits 70 minutes into 7 parts, the longest of which is only 20 minutes.
Measured against this, most of the children whose parents worry that they “can’t focus” are actually… exactly where they should be for their age. The problem usually lies in how the learning is organized, not in the child.
5 common reasons a child can’t focus when studying
- The task is too long, with no visible finish line. “Finish all your homework” is an adult’s goal; to a 6-year-old it has no shape. “Do these 10 sums in 5 minutes” does.
- The work is too hard or too easy. Too hard → the child escapes by twisting round and chatting. Too easy → the child gets bored. At this age the “just right” zone is very narrow.
- Too many things pulling at the eyes. A desk full of things, the TV on in the next room, a parent’s phone lighting up. Young children do not yet have an adult’s “filter”.
- Not enough sleep, not enough movement, hunger. A 6-year-old needs 9–11 hours of sleep and at least 1 hour of running around every day. After a whole day sitting at school, asking them to sit straight down again is very hard.
- Screens before study time. Short videos and games change the picture every few seconds; afterwards, a page of exercises that just sits there feels “too slow” to the child’s brain. We see a clear difference between the days children arrive in class after watching a phone in the car and the days they don’t.
8 ways Japanese classrooms build concentration every day
All of these can be done at home, with no special equipment. We have added notes on how each one works in our soroban class so you can picture it.
- A fixed starting ritual (2 minutes)
Children do not switch on concentration by willpower; they switch it on by habit. Every one of our lessons starts in exactly the same way: stand up, bow, say “Onegaishimasu”, sit down, clear the abacus to 0. At home: the same seat, the same phrase (“Let’s start!”), the same first job (line up the pencils, open the book at the right page). After 2 weeks, the ritual itself pulls the child into study mode.
- Split work into timed blocks of 5–7 minutes
The first part of every soroban lesson is the “grid calculation”: a table of 25 or 100 sums, timed, with the child recording their own time. Five minutes of complete concentration is better than thirty minutes of drifting. At home: an hourglass or a kitchen timer, “these 5 minutes are only for this page”, then a 1-minute break when time is up, then the next block. Increase gradually from 5 → 7 → 10 minutes week by week.
- A clear desk, one task at a time
Before studying, the desk holds only what is needed for the task at hand: one worksheet, one pencil. In our soroban class, “getting ready and tidying up” (seiri seiton) is a step of its own: put everything in its proper place, and only then begin. When the surroundings are tidy, the mind follows.
- Posture first, schoolwork second
The Japanese teach posture (姿勢, shisei) as a real part of the lesson: back straight, both feet on the floor, the abacus (or exercise book) placed squarely in front. Posture is not just good for the back – a body that sits upright holds attention longer than one sprawled across the desk. At home: a desk and chair of the right height, and say “sit up straight” before you say “concentrate”.
- Work at the right level: about 80% correct
This is the standard for every test at KSC: 80% correct within the time limit, and the child moves on to the next set. If your child easily gets 100%, the work is too easy; if they get less than 60%, it is too hard – and both kill concentration. Adjust the difficulty every week according to your child’s actual results, not according to the school year they are in.
- Let your child see their own progress
Each of our students has a record card: the time and score for every lesson, written in by the child. “3 minutes 20 today, 3 minutes 45 yesterday” is a stronger motivator than any general praise. At home: a sheet of paper on the wall where the child writes down how long the worksheet took each day. The only rule: compare with your own yesterday, never with brothers or sisters.
- Stop while your child still wants to do more
It sounds backwards, but ending a study session while your child is still keen is the surest way to get them back to the desk tomorrow. A soroban lesson always ends on time with a “thank you” – “Arigatō gozaimashita” – even when the children are completely absorbed. At home: 15 minutes means 15 minutes.
- Enough sleep, enough running around, no screens before study time
None of the methods above works with a child who is short of sleep. 9–11 hours of sleep, 1 hour of physical activity, and 30 minutes without screens before studying – these three things matter more than any “method”.
A 2-week plan to get started (15 minutes a day)
| Week 1 | Week 2 | |
|---|---|---|
| Ritual | Same seat, same phrase, line up the pencils – open the book (2 minutes) | Keep it the same; the child does it without being reminded |
| Block 1 | 5 minutes on one easy task, timed (for example a mental math worksheet within 10) | 7 minutes, slightly harder work (about 80% correct) |
| Break | 1 minute standing up, drinking water | 1 minute |
| Block 2 | 5 minutes on something different (reading, coloring, puzzles) | 5 minutes, the child chooses between 2 tasks |
| Finish | The child writes their time on the chart and says “Done!” | The child records it and compares with yesterday on their own |
After 2 weeks, most 6- to 7-year-olds can sit through 2 blocks of 7–10 minutes without getting up. That is 20 minutes of real concentration – more than most adults expect.
Why do so many Japanese families use soroban to build concentration?
Not because the abacus is magic, but because the way a soroban lesson is organized is exactly the 8 points above, repeated every week for three years: the greeting ritual, timed grid calculations, a clear desk, posture, work matched to the right level, a record card, finishing on time. On top of that, moving the beads itself requires the eyes to read the problem, the hand to move the beads and the head to hold the numbers – all at the same time. It is an exercise in complete attention that few other activities can offer, and it is why many parents send their children to soroban “to learn to focus” before they think of “to calculate fast”.
We describe the 7-part rhythm of a lesson in detail in What happens in a lesson?. And if you would like to try the “timed 5-minute block” tonight, the 25-square grid worksheet in our set of free worksheets is our familiar warm-up.
Frequently asked questions
My child can’t focus when studying – what should I do?
Start with a fixed ritual, split the work into timed blocks of 5–7 minutes, clear the desk, correct the posture, choose work at the right level (about 80% correct), let your child record their own progress, stop on time, and make sure your child gets enough sleep, enough exercise and no screens before study time. Keep it up for 2 weeks before judging the results.
How long can a 6-year-old concentrate?
About 12–20 minutes on an assigned task (the 2–3 minutes per year of age rule). On something they have chosen and enjoy, much longer. So break study time into short blocks rather than expecting your child to sit for an hour.
How can I build concentration in a grade 1 child?
Through habit, not reminders: the same time, the same place, the same way of starting; short, timed tasks; the child records their own results. Activities that need the eyes, hands and head to work together – such as soroban, puzzles or playing a musical instrument – are also very good attention training.
Does a lack of focus mean my child has ADHD?
In most cases, no. Watch for this: if your child cannot focus in any situation, even when playing something they love, together with restlessness and acting without thinking, lasting more than 6 months, both at home and at school – see a pediatrician or a child psychologist for a proper assessment. This article does not replace a medical diagnosis.
Does learning soroban help children concentrate better?
Yes, because a Japanese-style soroban lesson is organized exactly according to the principles of concentration training (a ritual, short timed blocks, posture, work at the right level, a record card), and moving the beads requires the eyes, hands and head to work at the same time. Parents often find their child can sit and study for longer after 2–3 months.
Try a free soroban lesson
Classes of 3–5 children at Vinhomes Gardenia (Hanoi), 70 minutes each, taught exactly as in Japan. Phone · Zalo 096.802.8484.
Written by the teaching team of Kodomo Soroban Center, following the method and textbooks of Kodomo School (Japan, teaching soroban since 1976). The center is licensed by the Hanoi Department of Education and Training, and our project is a 2026 EDU-Port Nippon supported project of Japan’s Ministry of Education (MEXT).
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