11 Plus maths: every question type

13 topics. Each one below shows an exam-standard question to try and the kinds of question inside the topic; open a topic to see it from foundation upwards.

Every question here is written by Prism in the style of the tests. None is copied from a real paper, and a fresh one is drawn each time a child practises.

Place value & rounding

Digits, columns, rounding and ×/÷ by 10, 100, 1000.

Exam standard
Question 1Aim for about 60 seconds

At night the temperature was -4°C. By midday it was 8°C. How many degrees did it rise?

Show the worked answer

Answer: B, 12°C

How to work it out

From -4°C up to 0°C is 4 degrees, then up to 8°C is 8 more: 4 + 8 = 12 degrees.

Why the other options are wrong

  • A (13°C): This is 1°C more than the correct answer, so the last step of the working is out by one.
  • C (22°C): This is 10°C more than the correct answer, so the tens column is out. Recheck the working.
  • D (4°C): This is the difference between 4 and 8. The rise crosses 0°C, so add them.
  • E (8°C): This is the midday temperature itself, not the rise from -4°C.

Four operations

Written methods and order of operations (BIDMAS).

The missing digitWhich calculationPlace the bracketsCheck with the inverseDecimal times decimalThe quick way

Exam standard
Question 2Aim for about 60 seconds

Find the missing number that makes both sides equal.

85 + 309 = ? + 299

Show the worked answer

Answer: C, 95

How to work it out

  1. The left side is 85 + 309 = 394.
  2. So ? + 299 = 394, and ? = 394 − 299 = 95.
  3. A quicker way: 299 is 10 less than 309, so ? must be 10 more than 85.

Why the other options are wrong

  • A (75): The right side's number is 10 smaller, so the missing number must be 10 bigger, not smaller.
  • B (10): This is only the difference between 309 and 299.
  • D (394): This is the total of the left side. The right side already has 299 in it, so the missing number is smaller.
  • E (85): This assumes 309 and 299 are the same; they differ by 10.

Fractions

Fractions of amounts, simplifying, comparing and adding.

Between two fractionsOf what is leftThe one that is not equivalentWhat is left in the jugLargest of fractions, decimals and percentages

Exam standard
Question 3Aim for about 60 seconds

Hamza ran 3110 km, Grace ran 134 km and Layla ran 6720 km. Which distance is the smallest?

Show the worked answer

Answer: C, 3110

How to work it out

  1. Change each to a decimal (or to twentieths): 3110 = 3.1, 134 = 3.25, 6720 = 3.35.
  2. The smallest is 3110.

Why the other options are wrong

  • A (3210): 3210 km is not one of the three distances in the question.
  • B (6720): 6720 = 3.35, which is bigger than 3.1. A bigger bottom number does not make the fraction smaller when the tops differ.
  • D (3310): 3310 km is not one of the three distances in the question.
  • E (134): 134 = 3.25, which is bigger than 3.1. A bigger bottom number does not make the fraction smaller when the tops differ.

Percentages & decimals

Percentages of amounts, discounts, and FDP conversions.

Which is largerUp then downA percentage of a percentagePercentage changeWhich method worksThe rest

Exam standard
Question 4Aim for about 60 seconds

Which list is in order from smallest to largest?

710 0.65 68%

Show the worked answer

Answer: B, 0.65, 68%, 710

How to work it out

  1. Change them all to the same form, such as decimals: 710 = 0.7, 0.65 = 0.65, 68% = 0.68.
  2. Smallest to largest: 0.65, 68%, 710.

Why the other options are wrong

  • A (68%, 710, 0.65): In this order 710 comes second, right before 0.65, but 710 = 0.7 is bigger than 0.65.
  • C (710, 0.65, 68%): In this order 710 comes first, right before 0.65, but 710 = 0.7 is bigger than 0.65.
  • D (0.65, 710, 68%): In this order 710 comes second, right before 68%, but 710 = 0.7 is bigger than 68% = 0.68.
  • E (710, 68%, 0.65): This list is in order from largest to smallest, the wrong way round.

Ratio & proportion

Sharing in a ratio, recipes and scaling.

Simplest formWhich mix is strongerWhat must be true of a ratioMap scalesBest buyFrom a fraction to a ratio

Exam standard
Question 5Aim for about 60 seconds

1 kg is about 2.2 lbs. About how many kilograms are there in 35.2 lbs?

Show the worked answer

Answer: C, 16 kg

How to work it out

  1. Each kilogram is 2.2 lbs, so divide: 35.2 ÷ 2.2 = 16.
  2. Check: 16 × 2.2 = 35.2.

Why the other options are wrong

  • A (77 kg): This multiplies by 2.2 again. Changing pounds to kilograms makes the number smaller.
  • B (17 kg): 17 kg is about 37 lbs, not 35.2. Multiply back by 2.2 to check.
  • D (15 kg): 15 kg is about 33 lbs, not 35.2. Multiply back by 2.2 to check.
  • E (33 kg): This takes away 2.2 instead of dividing by it.

Algebra

Solving equations, substitution and “think of a number”.

Which expressionTwo facts, two unknownsUndo a formulaWhich equationWhat must be true of a and bWhich rule fits the pattern

Exam standard
Question 6Aim for about 60 seconds

The volume of a triangular prism is V = 12 × b × h × l. What is the volume when b = 18 cm, h = 3 cm and l = 12 cm?

Show the worked answer

Answer: B, 324 cm³

How to work it out

  1. Put the numbers into the formula: 12 × 18 × 3 × 12.
  2. Half of 18 is 9, and 9 × 3 × 12 = 324 cm³.

Why the other options are wrong

  • A (33 cm³): This adds the lengths instead of multiplying them.
  • C (27 cm³): This leaves out l = 12.
  • D (648 cm³): This forgets the 12 in the formula.
  • E (162 cm³): This halves twice.

Sequences

Linear, square, Fibonacci-style and growing-difference patterns.

Two sequences woven togetherTwo rules taking turnsDividing sequencesTriangle numbersThe tenth or twentieth termA gap in the middleWhich number breaks the ruleWhich rule explains itFind the first term

Exam standard
Question 7Aim for about 60 seconds

What is the next number in the sequence?

2, 5, 14, 41, 122, ?

Show the worked answer

Answer: A, 365

How to work it out

  1. Write the gaps between the numbers to find the rule.
  2. Multiply by 3, then take away 1, so the next number is 365.

Why the other options are wrong

  • B (364): This is one less than the next term. Check the rule: multiply by 3, then take away 1.
  • C (203): This adds the last gap, 81, again to 122, but the gaps in this sequence are not the same each time.
  • D (366): This is one more than the next term. Check the rule: multiply by 3, then take away 1.
  • E (367): This is two more than the next term. Check the rule: multiply by 3, then take away 1.

Shape, area & angles

Area, perimeter, compound shapes and angle facts.

Exam standard
Question 8Aim for about 60 seconds

A, B and C are three corners of a rectangle. What are the coordinates of the fourth corner, D?

−4−4−3−3−2−2−1−11122334455667788xyABC
Show the worked answer

Answer: D, (−1, −1)

How to work it out

  1. D is above A and level with C.
  2. So it has A's x-coordinate (−1) and C's y-coordinate (−1): (−1, −1).

Why the other options are wrong

  • A ((0, −1)): D must be directly above A, so its x-coordinate is −1, not 0.
  • B ((3, 2)): This carries on past C instead of finding the missing corner.
  • C ((−1, 0)): This uses the width for the height; the sides of a rectangle can differ.
  • E ((2, −1)): Check which corner is missing: it must be above A.

Time, measures & speed

Time calculations, unit conversions, speed-distance-time.

Which is longestWhen to leaveTiles on a floorRead the scaleWhich unitThe due date

Exam standard
Question 9Aim for about 60 seconds

Dev must be at the Library by 09:10. What is the latest bus Dev can catch from the Station?

RowBus 1Bus 2Bus 3Bus 4
Station08:1008:3909:1409:28
Market08:2208:5109:2609:40
Library08:3509:0409:3909:53
Park08:4009:0909:4409:58
Show the worked answer

Answer: B, 08:39

How to work it out

  1. Look along the Library row for the last time at or before 09:10: 09:04, which is Bus 2.
  2. That bus leaves the Station at 08:39.

Why the other options are wrong

  • A (09:14): That bus reaches the Library at 09:39, which is too late.
  • C (08:10): This bus works, but a later one also arrives in time.
  • D (09:04): This is when the bus reaches the Library, not when it leaves the Station.
  • E (08:45): 08:45 is not a time any bus leaves the Station.

Word problems & money

Multi-step problems in real contexts.

Exam standard
Question 10Aim for about 60 seconds

Honey is sold in jars: 250 g for £0.70, 400 g for £1.36, 500 g for £1.86, 1000 g for £3.10. Which jar is the best value?

Show the worked answer

Answer: B, The 250 g jar

How to work it out

  1. Compare the price of the same amount, 100 g: 250 g jar £0.28 per 100 g, 400 g jar £0.34 per 100 g, 500 g jar £0.37 per 100 g, 1000 g jar £0.31 per 100 g.
  2. The cheapest per 100 g is the 250 g jar.
  3. The biggest jar is not always the best value.

Why the other options are wrong

  • A (The 400 g jar): It costs £0.34 per 100 g, more than the 250 g jar at £0.28.
  • C (The 500 g jar): It costs £0.37 per 100 g, more than the 250 g jar at £0.28.
  • D (They are all the same value): The jars cost different amounts for the same 100 g.
  • E (The 1000 g jar): It costs £0.31 per 100 g, more than the 250 g jar at £0.28.

Statistics & data

Mean, median, mode, range and reading charts.

Exam standard
Question 11Aim for about 60 seconds

The table shows how many customers bought each flavour of sweets on each day. Each customer bought 3 packs. How many packs of cherry sweets were sold on Monday?

RowGrapeCherryLemon
Monday281833
Tuesday183228
Wednesday332422
Thursday191116
Friday222126
Show the worked answer

Answer: D, 54

How to work it out

  1. Find Monday in the Cherry column: 18 customers.
  2. Each bought 3 packs: 18 × 3 = 54 packs.

Why the other options are wrong

  • A (21): This adds 3 instead of multiplying.
  • B (96): This reads the wrong row: check the day.
  • C (18): This is the number of customers; each one bought 3 packs.
  • E (237): This uses every flavour on that day, not just one.

Factors, multiples & primes

Primes, HCF, LCM, squares and cubes.

What must be true of a numberHow many factorsTell without dividingNearest square rootConsecutive numbersOdd one out

Exam standard
Question 12Aim for about 60 seconds

Which set contains only cube numbers?

Show the worked answer

Answer: B, 27, 64, 125

How to work it out

  1. A cube number is a number times itself three times: 3 × 3 × 3 = 27; 4 × 4 × 4 = 64; 5 × 5 × 5 = 125.
  2. So the set is 27, 64, 125.

Why the other options are wrong

  • A (16, 64, 125): 16 is 4 × 4, a square number, not a cube number.
  • C (64, 81, 125): 81 is 3 × 27, not a cube.
  • D (27, 65, 125): 65 is one more than the cube number 64, so it is not a cube.
  • E (27, 64, 144): 144 is 12 × 12, a square number, not a cube number.

Puzzles & problem solving

Logic puzzles, reasoning with numbers, working systematically.

Working backwardsA number from clues about its digitsWhich statement must be trueFind the line with the mistakeWhat else you would need to knowThe number you do not needThe fewest coinsEstimate by rounding

Exam standard
Question 13Aim for about 60 seconds

A guidebook has 472 pages. Hamza reads 12 pages a day. How many days does it take to finish it?

Show the worked answer

Answer: B, 40

How to work it out

  1. 472 ÷ 12 = 39 remainder 4.
  2. The last 4 pages need one more day: 40 days.

Why the other options are wrong

  • A (39): 39 days read only 468 pages; 4 are still left.
  • C (12): This is the pages read in one day, not the number of days.
  • D (41): 40 days already finish the book, so one more is not needed.
  • E (80): This is double the correct answer, 40. Check whether you doubled when you should not have.

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