Scotland · Broad General Education · S1, S2 and S3

S1 to S3 maths tutor online in Scotland

The three years from S1 to S3 have no external maths exam, which makes them easy to underestimate. Yet they end with a decision that shapes the rest of secondary school: which maths course a pupil takes in S4. Education Scotland's Benchmarks are plain about the order. Pupils "should have achieved relevant Fourth level Experiences and Outcomes before embarking on the National 5 qualifications", and schools are told to take careful account of this when S4 options are agreed. So the Broad General Education is not a waiting room before National 5. It is where Third level is secured and Fourth level is reached, and where any gap in algebra, rounding or fractions becomes visible before it costs anything.

Live teaching since 2020 · 10,000+ students · Mapped to the Third and Fourth level Benchmarks

In short

S1 to S3 maths in Scotland is the Broad General Education phase of Curriculum for Excellence, where pupils work through Third and Fourth level numeracy and mathematics before choosing an S4 course. Education Scotland's Benchmarks say pupils should have achieved relevant Fourth level outcomes before starting National 5, and in 2024 to 2025 the Scottish Government reported 91 per cent of S3 pupils at Third level or better in numeracy and 68 per cent at Fourth level. Modern Age Coders teaches S1 to S3 maths live online, either 1-on-1 or in a class of 15 to 20, through its Middle School Mathematics course. There is no charge for the opening class, and we have no tie to any school or council.

Courses for S1 to S3

Three courses for lower secondary maths in Scotland

Middle School Mathematics covers the Third and Fourth level ground. The National 5 course is the next step once Fourth level is secure, and High School Mathematics suits a pupil racing ahead.

Third and Fourth

What maths do pupils learn in S1 to S3?

Third and Fourth level, organised under the same headings as primary: number, money and measure; shape, position and movement; and information handling. The Benchmarks list what achieving each level looks like.

Education Scotland describes its Experiences and Outcomes as a single journey, letting families see "the curriculum from the early years to the end of S3 as a whole". Most pupils arrive in S1 having achieved Second level and spend S1 and S2 securing Third level. Fourth level is the stretch, overlapping in difficulty with the start of National 5, and many schools teach it through S3.

Selected Benchmark statements for S1 to S3 maths (Education Scotland, June 2017)
OrganiserThird level, in partFourth level, in part
NumberTables facts to the 12th table; integers in all four operations; decimals to three placesOrder of operations with brackets; multi-step problems; scientific notation
Multiples and powersLowest common multiple, highest common factor, primes to 100, a number as a product of prime factors; powers such as 2 to the 4thSquare roots with positive and negative values; roots as the inverse of powers
Fractions and percentagesConverting between forms; adding fractions with different denominators; ratio and simplifying itPercentage increase and decrease; fractions and mixed numbers in calculations; proportion
AlgebraCollecting like terms; solving equations of the form ax ± b = c; sequences from a rule such as T = 4n + 6Expanding brackets; equations of the form ax ± b = cx ± d; inequalities; the nth term of a linear sequence; gradient
Shape and measureCorresponding, alternate and vertically opposite angles; bearings and scale drawings; compound areas and volumesPythagoras; trigonometry in right-angled triangles; circumference and area of a circle; prisms and cylinders
Data and chanceProbability on a scale of 0 to 1; judging whether information is misleading; pie charts and compound bar graphsMean, median, mode and range; correlation; choosing and justifying a diagram

The Fourth level column will look familiar to anyone who has seen a National 5 paper: Pythagoras, trigonometry, gradient and the order of operations all reappear there. That is the point of the Benchmarks' advice. A pupil who reaches S4 with Fourth level secure meets National 5 as a deepening of known ideas; a pupil who reaches S4 at Third level meets most of it for the first time, in a single year with an exam at the end.

The Third and Fourth level pages of Education Scotland's numeracy and mathematics Benchmarks, read on 31 October 2026. The statements are selected and shortened; the document lists more under each organiser, including financial statements we have left out here.

The S3 decision

Why does S3 maths decide the S4 course?

Because the Benchmarks link presentation for National 5 to Fourth level, and schools use teacher judgement of the level, gathered across S1 to S3, when S4 options are agreed. There is no S3 exam to pass; there is a body of evidence that builds up over three years.

The relevant passage in the Benchmarks sits in its guidance for secondary teachers. Benchmarks "will help teachers ensure that learners make appropriate choices and are presented at an appropriate level for National Qualifications in the senior phase", which "can help avoid excessive workload for teachers and unnecessary assessments for learners". It then gives the example that matters most for maths: pupils "should have achieved relevant Fourth level Experiences and Outcomes before embarking on the National 5 qualifications", adding that "Schools should take careful account of this when options for S4 are being agreed."

S3 numeracy judgements for the 2024 to 2025 school year (gov.scot statistics, 9 December 2025)
MeasurePer cent of S3 pupils
Third level or better in numeracy91
Fourth level in numeracy68

The statistics publication notes that the share of S3 pupils at Fourth level was "at their highest ever across all organisers" and had "increased markedly over the last three years", and adds a caution in its own words: "This increase may be partially due to improvements in assessment and recording at level four." On the figures as published, roughly one S3 pupil in three had not been judged at Fourth level in numeracy in 2024 to 2025.

The S3 online assessment

S3 pupils also take one numeracy assessment in the National Standardised Assessments, once in the year. Its website states that nobody passes or fails it, that it is untimed, and that S3 learners typically finish inside 40 minutes.

It gives the teacher diagnostic information. It is not an S4 entry test, and there are no S3 past papers for it.

What a parent can ask

Which level is my child working at in maths, and which organisers are not yet secure?

Which S4 maths course is the school expecting, and what would need to change by spring for a different one? Those two questions tell you more than any practice paper.

Sources: Education Scotland Benchmarks, page 3; the government's CfE levels statistics for 2024 to 2025; National Standardised Assessments, parents and carers. Read on 31 October 2026.

What changes

What is the difference between Third and Fourth level maths?

Fourth level asks for the same ideas with fewer supports: rounding to significant figures rather than decimal places, unknowns on both sides of an equation, a formula for a sequence rather than a rule to follow, and right-angled triangles solved with Pythagoras and trigonometry.

The same organiser at two levels (our summary of the Benchmarks)
IdeaThird level asks a pupil toFourth level asks a pupil to
RoundingRound decimals to three places and estimate routinelyRound to a stated number of significant figures and show the effect of rounding too early
EquationsSolve ax ± b = cSolve ax ± b = cx ± d, with brackets, and solve inequalities
SequencesGenerate terms from a given ruleFind the nth term formula and use it
TrianglesFind missing angles with angle factsFind sides with Pythagoras, and sides and angles with trigonometry
PercentagesConvert and calculate with and without a calculatorFind percentage increase or decrease and choose the most efficient form
AccuracyChoose appropriate unitsWork within a tolerance such as 235 mm ± 1 mm

Rounding becomes a skill

The Fourth level statement about "the impact of rounding an answer before the final step in a multi-step calculation" is the same habit National 5 markers look for. We teach it in S2.

Algebra carries the load

Unknowns on both sides, brackets and inequalities are where the gap between levels is widest. We spend the most time here.

Triangles open up

Pythagoras and trigonometry arrive at Fourth level. A calculator is needed, so we also teach which buttons, in which order, and how to check.

Families comparing with England may find our KS3 maths page useful: much of the content is shared, but Scotland judges it by level rather than year group, and the S4 choice follows from that judgement.

Worked examples

Four S1 to S3 maths examples, step by step

All four are ours, written for Third and Fourth level. They show working the way a teacher in Scotland would want to read it.

1. Product of prime factors (Third level)

Question (ours). Write 360 as a product of its prime factors.

Divide by primes. 360 ÷ 2 = 180, ÷ 2 = 90, ÷ 2 = 45, ÷ 3 = 15, ÷ 3 = 5, and 5 is prime.

Collect. 360 = 2 × 2 × 2 × 3 × 3 × 5 = 23 × 32 × 5.

Check. 8 × 9 = 72 and 72 × 5 = 360. This also prepares the powers notation that Third level introduces.

2. Unknowns on both sides (Fourth level)

Question (ours). Solve 5x − 7 = 2x + 11.

Gather x. Subtract 2x from both sides: 3x − 7 = 11.

Gather numbers. Add 7 to both sides: 3x = 18.

Solve and check. x = 6. Left side 30 − 7 = 23, right side 12 + 11 = 23. Equal, so the solution is right.

3. Premature rounding (Fourth level)

Question (ours). A cylinder has radius 2.36 cm and height 5 cm. Find its volume to 3 significant figures.

Keep full accuracy. V = π × 2.362 × 5 = 87.487… so V = 87.5 cm3.

See the error. Rounding the radius to 2.4 first gives about 90.5 cm3, three whole units out.

The lesson. Round once, at the end, exactly as the Fourth level Benchmark on truncation and premature rounding asks.

4. Pythagoras and trigonometry (Fourth level)

Question (ours). A right-angled triangle has shorter sides 7 cm and 9 cm. Find the longest side and the smaller acute angle.

Pythagoras. 72 + 92 = 49 + 81 = 130, so the hypotenuse is √130 = 11.4 cm to 3 significant figures.

Trigonometry. The smaller angle is opposite the 7 cm side: tan θ = 7 ÷ 9, so θ = 37.9° to 1 decimal place.

Reasonableness. The hypotenuse is longer than 9 and shorter than 7 + 9. The angle is under 45° because 7 is less than 9.

An S3 practice set (ours, with answers). (1) Find the highest common factor and lowest common multiple of 18 and 24. (2) Simplify 3a + 5b − a + 2b. (3) Expand and simplify 4(2x − 3) − 5x. (4) Find the nth term of 7, 11, 15, 19. (5) Increase 240 by 15 per cent. (6) Write 0.00052 in scientific notation. (7) Find the mean and range of 4, 9, 6, 11, 5. (8) Solve 2x + 3 < 15. Answers: (1) 6 and 72; (2) 2a + 7b; (3) 3x − 12; (4) 4n + 3; (5) 276; (6) 5.2 × 10−4; (7) mean 7, range 7; (8) x < 6.

None of these comes from an assessment; there are no S3 past papers in Scotland. Questions 3, 4, 6 and 8 sit at Fourth level and are a fair, if rough, signal of readiness for the National 5 course.

Our lessons

How does an online maths tutor help in S1 to S3?

By finding which organisers are secure, closing the gaps in a planned order, and reaching Fourth level with time to spare before the S4 options are set.

  1. A free first class. A short set of Third and Fourth level problems, worked aloud, so the teacher can see method as well as answers. You get a plain account of the level and the gaps.
  2. Algebra first if it is weak. Equations, brackets and sequences carry most of Fourth level and nearly all of National 5, so they come first when they are shaky.
  3. Accuracy habits from S2. Significant figures, rounding once at the end, units every time and an estimate before each calculation.
  4. Calculator and non-calculator side by side. Fractions and percentages by hand; trigonometry and circles with a calculator, checked by estimation.
  5. A short progress note. After each block, a summary in level language your child's maths teacher will recognise, useful for the S3 options conversation.

Batch or one teacher to one pupil?

A batch of 15 to 20 pupils working at one level suits a pupil who is broadly on track and wants steady practice with peers.

1-on-1 suits a pupil with a specific gap, often algebra or fractions, or one aiming to move from Third to Fourth level within a term.

What we will not claim

That lessons guarantee a particular S4 course. The school decides presentation, and the level is the teacher's judgement.

Any connection with a school, a council, Education Scotland or Qualifications Scotland. We are independent and teach alongside school, not instead of it.

Once the S4 course is set, our National 5 Maths page covers the two exam papers, and National 5 vs Higher Maths compares the next two steps. Pupils who enjoy hard problems may like the Scottish Mathematical Challenge.

Progress

Four rungs from S1 to the S4 choice

Each rung is a set of things a pupil can do unaided, in the order we usually teach them.

Our progression for S1 to S3 maths
RungUsually byWhat a pupil can show
1. Second level secureStart of S1Decimals, fractions and percentages, order of operations, 24 hour time
2. Third level numberS1 to S2Integers, primes and prime factors, powers, ratio, equations of the form ax ± b = c
3. Third level achievedEnd of S2Angles and bearings, sequences from a rule, probability, compound area and volume
4. Fourth level reachedDuring S3Brackets and both-sides equations, nth term, gradient, Pythagoras, trigonometry, significant figures

Rung two is the hinge

Negative numbers and prime factors look simple and cause errors for years if left loose.

Pupils who like logic may enjoy the coding roadmap, where the same precision is needed.

Rung four meets National 5

Every item on rung four reappears in the National 5 course.

We slow down over the summer and pick up again in August.

Catalogue

Nine courses for S1 to S3

Grouped by purpose. The first class settles the starting point.

I

Third and Fourth level

The BGE core

UK / BG1 / 01

Middle School Mathematics

Number, algebra, shape and data through Fourth level.

Open the syllabus

UK / BG1 / 02

GCSE Mathematics

Overlapping content, useful for families moving between systems.

Open the syllabus

UK / BG1 / 03

Mental Maths

Quick, secure number facts for S1 pupils who need them.

Open the syllabus
II

Towards S4

Beyond Fourth level

UK / BG2 / 01

National 5 and Higher

The next course, once Fourth level is secure.

Open the syllabus

UK / BG2 / 02

High School Mathematics

Deeper algebra and functions.

Open the syllabus

UK / BG2 / 03

Statistics and probability

For pupils who enjoy data and chance.

Open the syllabus
III

Maths with code

For curious pupils

UK / BG3 / 01

Maths through coding

Sequences, primes and graphs tested in Python.

Open the syllabus

UK / BG3 / 02

Competition mathematics

Problem solving well beyond the curriculum.

Open the syllabus

UK / BG3 / 03

Python for teens

A first programming language, for S2 and S3.

Open the syllabus

Lessons

When S1 to S3 lessons run

Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays. Our teaching team works from India; even so, each slot is quoted to Scottish families in UK time.

After school

The usual choice in S1 to S3.

Evening

After clubs, sport or homework.

Weekend

Long enough for a full topic and its practice.

Placed by level

Third or Fourth level, judged in the free class, not assumed from the year.

Algebra weighted

Most time goes where the jump between levels is largest.

Accuracy habits

Significant figures and rounding once, practised until automatic.

Both modes

Work by hand and with a calculator, each checked by estimation.

Progress notes

A short summary after each block, for the S3 options discussion.

15 to 20 or 1-on-1

A steady group, or one pupil with one teacher.

Student work

What our secondary students made

Pieces from regular lessons, none of them marked. Student labs has more.

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Fees

Fees for S1 to S3 maths

One free class first. Then a monthly fee, lower in a group and higher for 1-on-1, charged only after a course and a weekly slot are agreed. No contract and no deposit.

Free first class

USD 0

no card required

  • Third and Fourth level problems
  • An honest note on the gaps
  • Only a phone number to book
Book it

Group batch

USD 100

a month, billed in US dollars

  • 15 to 20 pupils at one level
  • The same teacher across the term
  • Algebra and accuracy every week
  • Progress notes after each block
Start here

One to one

USD 150

a month, billed in US dollars

  • One teacher, one pupil
  • Organiser-by-organiser plan
  • Suits a push from Third to Fourth level
Enquire

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S1 to S3 questions

What families ask about S1 to S3 maths

Which CfE level is expected by the end of S3?

The Scottish Government reports S3 pupils at Third level or better and at Fourth level. For 2024 to 2025 it put 91 per cent of S3 pupils at Third level or better in numeracy, and 68 per cent at Fourth.

Do you need Fourth level to do National 5 Maths?

Education Scotland's Benchmarks say pupils should have achieved relevant Fourth level outcomes before starting National 5, and that schools should take careful account of this when S4 options are agreed. The final decision rests with the school.

Are there S3 maths past papers?

No national ones. There is no S3 maths exam in Scotland. Teachers judge the level from work across the year, and the S3 standardised assessment has no pass or fail.

What is the difference between Third and Fourth level maths?

Fourth level adds significant figures, equations with unknowns on both sides, the nth term, gradient, Pythagoras and trigonometry. Third level covers primes, powers, ratio, simpler equations and angle facts.

What is the Broad General Education?

It is the phase of Curriculum for Excellence from the early years to the end of S3. In maths, S1 to S3 is where Third and Fourth level are taught before the senior phase.

How long is the S3 numeracy assessment?

It is untimed. According to the assessment website, S3 learners on average finish inside 40 minutes, and no score counts as a fail.

Is S1 to S3 maths the same as KS3?

The content overlaps a great deal, but Scotland describes it by level rather than by year, and the end of S3 feeds the choice of S4 course rather than a GCSE tier.

When are lessons held?

Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays. All times are given in UK time.

Which course should an S2 pupil start?

Usually Middle School Mathematics, at Third or Fourth level depending on the free first class. A pupil with Fourth level secure may move straight on to the National 5 course.

Are you connected with my child's school?

No. We run our own live online classes and have no link to any school, council, Education Scotland or Qualifications Scotland.

More for Scottish pupils

Where S1 to S3 maths leads

The senior phase courses, and puzzles for keen pupils.

National 5 Maths tuition

The S4 course most pupils move to after Fourth level.

National 5 vs Higher Maths

The two senior steps compared.

Higher Maths tuition

Where the senior phase leads in S5.

Scottish Mathematical Challenge

Competition problems for able pupils.

Maths tutor cost in Scotland

Hourly rates, formats and questions to ask a tutor.

Coding and AI in Scotland

The Scottish system and our coding classes.

Related pages in this guide

Part of the guide: UK maths exam boards and specification codes

More guides: UK maths year by year, Reception to Year 11 · UK selective school maths tests: 7+, 11+, 13+ and 16+ · UK university admissions: maths tests and computing applications · UK maths enrichment, competitions and able pupils

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Book a free S1 to S3 maths class

Send a phone number and we will call at a UK time that works for you. The class is a short look at Third and Fourth level problems, followed by a plain account of where your child stands.

Want to look first? The Middle School Mathematics syllabus lists every topic, and how we teach describes a lesson.

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