11+ maths practice: fifteen questions, every answer worked
Fifteen original 11+ maths practice questions in three timed sets, written in the style of the main tests and not copied from any real paper. Most 11+ maths is built on the KS2 curriculum up to Year 5; what makes it harder than school work is speed and multi-step problems, not new topics.
Tables to 12 × 12, instantFractions, decimals, area & angles secureTimed, mixed practice setsOften September of Year 6
Same teacher
Year 4Year 5SummerThe test
Speed is built on recall. Recall is built early.
No new topics at the end — the same KS2 maths, done faster and in more steps
What is ClassArc?
ClassArc is live one-to-one online maths tutoring for school-age children.
One teacher and one child, for 55 minutes. The same teacher every week.
Classes run inside our own classroom software, not a video call: a shared
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What is in 11+ maths, and how should you use this page?
11+ maths tests the key stage 2 curriculum, mostly up to the end of Year 5, under time pressure and with more steps per question than a school worksheet. The fifteen questions below are grouped into three short timed sets: number and calculation, problem solving and algebra, and measurement, geometry and data.
Have your child do a set without a calculator and within the suggested time, then mark it against the worked answers. Look at the method as well as the result: a right answer reached slowly is still a problem in a timed test.
This page covers 11+ maths only. ClassArc teaches the maths part of 11+ preparation; we don't teach verbal reasoning, non-verbal reasoning or English, so for those you will need other preparation.
Set A · about 6 minutes
11+ maths practice set A: number and calculation
Five questions, no calculator. Answers are under each question; cover them first.
1. Fractions and percentages of amounts
Multiple choice
What is ⅜ of 96 added to 25% of 64? A) 44 B) 48 C) 52 D) 56 E) 60
C) 52. 96 ÷ 8 = 12, × 3 = 36. 25% of 64 is 64 ÷ 4 = 16. 36 + 16 = 52.
Where it usually goes wrong Dividing by the numerator. The denominator says what to divide by.
2. Rounding large numbers
Written answer
Round 4,596,381 to the nearest ten thousand.
4,600,000. The ten-thousands digit is 9 and the next digit is 6, so round up: 59 ten-thousands becomes 60.
Where it usually goes wrong Writing 4,590,000 or 4,500,000 when the 9 rolls over.
3. Missing numbers
Written answer
7 × ☐ − 18 = 45
9. Work backwards: 45 + 18 = 63, and 63 ÷ 7 = 9.
4. Remainders and common multiples
Written answer
What is the smallest number greater than 1 that leaves a remainder of 1 when divided by 2, 3, 4, 5 or 6?
61. It is one more than a common multiple of all five. The lowest common multiple is 60 (it needs 2 × 2, 3 and 5), so 60 + 1 = 61. Check: 61 ÷ 4 = 15 r 1.
5. Comparing fractions and decimals
Multiple choice
Which is largest? A) ⅝ B) 0.6 C) 13/20 D) 7/12
C) 13/20. As decimals: 0.625, 0.6, 0.65 and about 0.583. Twentieths convert quickly to hundredths: 13/20 = 65/100.
Set B · about 8 minutes
11+ maths practice set B: problem solving and algebra
Five multi-step problems. Trying values is a perfectly good method at this age.
6. Pens and rulers
Written answer
A pen costs p pence. A ruler costs 15p more than a pen. Three pens and two rulers cost £1.80 altogether. How much does one pen cost?
30p. Without the extra 15p on each ruler, five items would cost 180 − 30 = 150p, so 30p each. Algebra: 3p + 2(p + 15) = 180, 5p = 150. Check: 90 + 90 = 180.
7. Ages
Written answer
Sam is three times as old as his sister. In 4 years he will be twice as old as her. How old is Sam now?
12. Try the sister at 4: Sam is 12. In four years, 8 and 16, and 16 is double 8.
8. Sequences
Written answer
What comes next? 3, 7, 15, 31, …
63. Each term doubles and adds 1: 31 × 2 + 1. Or: the gaps 4, 8, 16 double, so the next gap is 32.
9. Sharing in a ratio
Written answer
Mia and Tom share 84 sweets in the ratio 3 : 4. How many more sweets does Tom get than Mia?
12 more. Seven parts, so each is 84 ÷ 7 = 12. Mia 36, Tom 48. The difference is exactly one part.
Where it usually goes wrong Answering 48, the share, when the question asks how many more.
10. Up, then down
Written answer
A coat costs £60. Its price rises by 20%, then the new price is cut by 20% in a sale. What is the sale price?
£57.60. £60 + £12 = £72; 20% of £72 is £14.40; £72 − £14.40 = £57.60.
Where it usually goes wrong Answering £60. The decrease is 20% of a bigger number, so it removes more than the rise added.
Set C · about 7 minutes
11+ maths practice set C: measurement, geometry and data
Five questions where units, cases and checking matter as much as the arithmetic.
11. Time
Written answer
A train leaves at 14:47 and the trip takes 1 hour 38 minutes. When does it arrive?
Where it usually goes wrong Adding times like decimals and writing 16:85.
12. Perimeter to area
Written answer
A rectangle has a perimeter of 34 cm and one side of 12 cm. What is its area?
60 cm². The two 12 cm sides make 24, leaving 10 cm for the other two, so 5 cm each. 12 × 5 = 60.
13. Isosceles triangles
Written answer
One angle of an isosceles triangle is 40°. What could the other two be? Give both answers.
40° and 100°, or 70° and 70°. If 40° is one of the equal pair, the third is 100°. If it is the odd one, the other two share 140°.
Where it usually goes wrong Stopping at one case. 11+ papers reward checking for a second.
14. The mean
Written answer
The mean of five numbers is 12. Four of them are 8, 15, 10 and 14. What is the fifth?
13. The total is 12 × 5 = 60. The four known numbers make 47, and 60 − 47 = 13.
15. Cubes in a box
Written answer
How many cubes with 2 cm edges fit exactly inside a box measuring 10 cm × 6 cm × 4 cm?
30. Along each edge: 5, 3 and 2 cubes, and 5 × 3 × 2 = 30.
Where it usually goes wrong Dividing the volumes. It works here only because every edge divides exactly by 2; counting along the edges always works.
Scoring: 13–15 correct within the times is a strong result on this set. 9–12 points to speed or particular topics. Below 9, start with the set that had the most errors.
The tests
How the main 11+ tests present maths
Which test your child sits depends on the school or area, not the family, and arrangements change more often than parents expect. Always check the school's or local authority's own admissions information.
Test
Commonly used by
How the maths is set
GL Assessment
Many grammar-school areas in England
On paper. Depending on the area, multiple choice with a separate answer sheet or written answers. Content mainly from KS2.
ISEB Common Pre-Tests
Many independent schools, usually in Year 6 or late Year 5
Online and adaptive: each question is chosen from how the last was answered. Maths draws on the national curriculum up to the end of Year 5, with a standard time of 40 minutes.
School-set or consortium papers
Many independent schools and some grammar schools
Usually written answers with working and longer multi-step problems. Schools often publish their own guidance or sample papers.
ISEB details from ISEB's published Common Pre-Tests framework. Other providers are used in some areas; the area's admissions pages will name the test, its format and the registration deadline, which for grammar schools usually falls in the spring or summer of Year 5.
Saving marks
Tips for 11+ maths that save marks on the day
Tables first. Recall of the tables to 12 × 12, and the matching division facts, needs to be instant. Everything timed rests on it.
Work backwards and try values. Questions like 3, 6 and 7 above turn up in every format, and at this age trying values is often faster than algebra.
Estimate before calculating in multiple choice. Two or three options can usually be ruled out without the full sum.
Know the traps: a percentage up then down, "how many more" meaning a difference, units that change mid-question, and questions with two cases.
On an adaptive online test, practise committing to an answer and moving on, since each question depends on the last.
Practise in the right format. A multiple-choice candidate should fill in answer sheets; a school-paper candidate should write working clearly.
Start timed practice around Easter of Year 5, building from single topics to full mixed sets over the summer.
Check the Year 5 foundations first: fractions, decimals, area and angles. The Year 5 guide sets out what that year covers.
With a teacher
ClassArc teaches the maths part of 11+ preparation, one-to-one
ClassArc's 11+ classes are maths only: 55 minutes, one teacher and one child, the same teacher every week. The first class checks the KS2 foundations — starting a little above where your child is and working back until the ground holds — then later classes move to timed problem solving in the style of your child's actual test.
Because teacher and child write on the same page, the teacher sees how a multi-step question is approached, not just the final number. Classes for this age are from £11 each on the largest block. For verbal reasoning, non-verbal reasoning and English you will need separate preparation.
Maths
the only 11+ paper we prepare for — we say so up front
Mostly key stage 2 content up to the end of Year 5, with some tests reaching into early Year 6: arithmetic, fractions, decimals and percentages, number properties, multi-step word problems, simple algebra, measurement, geometry and data. The difference from school work is speed and the number of steps per question.
When is the 11+ taken?
Most grammar-school tests are sat in the September of Year 6, with registration in the spring or summer of Year 5. Independent schools vary, and the ISEB Common Pre-Tests are usually taken in Year 6 or late Year 5. Check dates with the school or local authority.
Does ClassArc prepare children for verbal and non-verbal reasoning?
No. ClassArc teaches the maths part of 11+ preparation only. We would rather say that plainly than suggest otherwise; families usually cover reasoning and English separately.
Are these 11+ questions from real papers?
No. All fifteen are original questions written in the style of the main tests. For official practice, look at the sample materials the test provider or the school publishes.
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