Child practising on a soroban next to month-by-month progress markers

When Do Mental Arithmetic Results Show? What to Expect at 1, 3 and 6 Months

📅 24.10.2026 👁️ 2

Before starting mental arithmetic, nearly every parent asks the same question: "When will we see results? In a month? In six months?" It is a fair question — you are investing time and effort. The honest answer is that there is no exact date, but there are clear signposts for each stage. In this article we walk through what to expect at one, three and six months, tied to the stages of the curriculum, what you can notice at home and how to track progress.

First, the key point: every child has their own pace

The signposts below are not a promise or a guarantee. Several factors affect how quickly results appear:

  • Age. A 6–7-year-old and an 11-year-old learn the same topic at different speeds.
  • Consistency. 10–15 minutes every day does more than an hour once a week.
  • Starting level. Start too easy and the child gets bored; start too hard and they tire quickly.
  • Mood and sleep. A session with a tired child leaves almost no trace.

So treat the months below as a direction, not a strict timetable. If you want a refresher on what mental arithmetic is in the first place, start with what mental arithmetic is.

Month 1: a habit forms, not a skill

The first month usually covers the Basics chapter of the learning path. Your child gets to know the soroban: the upper bead is worth 5, each lower bead is worth 1, and every column is one place value. Then come simple addition and subtraction and the Small Friends method (pairs of five).

Do not expect a jump in speed this month. The real result is different:

  • your child reads a number on the soroban without hesitating;
  • moves the beads with the right fingers and in the right order;
  • a short session becomes a habit instead of an argument.

If by the end of the month your child asks to practise on their own, that matters more than any number.

Month 3: the base-ten system and the first "mental" counting

Around the third month many children move on to the Tens system chapter: Big Friends (pairs of ten) and Mixed Friends. This is the key turning point — this is where a child starts carrying over ten with understanding rather than by rote.

At home you may notice that:

  • your child looks at their fingers less during simple addition;
  • they sometimes count without the soroban, moving their fingers in the air — a sign that an imagined soroban is forming;
  • the type of mistake changes: fewer "I don't know" errors, more "I rushed" errors.

A plateau during this period is normal too. When a new method is added, speed dips for a while — that is not going backwards, it is the brain fitting a new rule alongside the old ones.

Month 6: stability and independence

For children who have practised regularly, the core addition and subtraction methods are noticeably steadier by six months. Some have moved on to the Fast techniques chapter (for example, multiplying by 11), others are still consolidating the tens system — both are normal.

What you can expect at this stage:

  • your child tries adding two- and three-digit numbers in their head;
  • they feel more confident during mental maths at school;
  • they can focus for longer — sessions stretch from 10 to 15–20 minutes.

Advanced stages such as flash anzan, where numbers flash quickly on screen, usually come later. There is no need to rush towards them.

What you can notice at home

Progress shows up in everyday life, not only in the app's numbers. Once a month, pay attention to:

  1. At the shop. Is your child curious to estimate the total?
  2. During homework. Does the calculation part take less time than before?
  3. In games. Do they take the lead in number games?
  4. In attitude. Do you hear "maths is hard" less often?

Jot down short, dated notes. After three months they will give you a clearer picture than any chart.

How to track progress

MentalMath gives parents a few simple tools:

  • Weekly Telegram report. Every week @mentalimNazoratBot sends a PDF report on your child's practice. Look at the trend over 3–4 weeks rather than at a single week.
  • Cognitive profile. After the starting assessment, your child gets a profile across memory, attention, speed, logic and other areas. The Growth section compares the starting result with the current one.
  • Learning path. At each stage, at least 60% accuracy (bronze) unlocks the next one — another way to see where your child is.
  • Brain Plan. During the 14-day plan, a short summary arrives in Telegram on day 7 and day 14.

Signs that something is off

These signs are not a reason to panic — they are a signal to adjust the plan:

  • Your child avoids practice or cries every time. Most often the level is too hard. Stepping back a stage or shortening sessions helps.
  • No change for 3–4 weeks. Check session timing, sleep and consistency.
  • Speed is rising, but so are mistakes. Your child is chasing speed alone. Bring the focus back to accuracy.
  • Too easy and boring. The starting level may have been set below their real level.

MentalMath's adaptive system adjusts difficulty to your child's results and aims to keep it in a zone of roughly 70–85% correct answers. Even so, nothing replaces your own observation.

How to get started

The best start is knowing your child's current level. The placement test takes about 2 minutes and shows which stage practice will begin from. After that: 10–15 minutes a day, a glance at the weekly report, and patience. Results do not appear in a day — they grow from small, regular steps.

❓Frequently asked questions

There is no fixed timeline. The first month usually builds the habit and familiarity with the soroban, around month three carrying over ten and signs of mental counting appear, and by month six the core methods become steady. Age and consistency play a big role.
Usually not, and that is fine. The goal of month one is to read the soroban, move the beads correctly and turn a short daily session into a habit.
A temporary plateau while learning a new method is normal. If nothing changes for 3–4 weeks, check session timing, sleep, consistency and whether the level fits.
MentalMath offers a weekly Telegram report (@mentalimNazoratBot), a cognitive profile and a Growth section that compares current results with the starting point. Adding your own monthly notes helps too.
For most children 10–15 minutes a day is enough. Consistency matters more than length: short daily sessions work better than one long session a week.
🏠 Home ✨ Learn 📰 Blog 💎 Plans 💬 FAQ