Growing Fast: How can it be that Percy will be 16 next year when he was only 13 the day before yesterday?

Cube Ages: Calculate the mean age of the two fathers and two sons with the given clues.

Tricky Takeaway: Take away some of the letters in a word to get a surprising result.

Bus Driver: A riddle about a bus driver on quite a busy route.

Company or Crowd?: If two's company and three's a crowd, what's four and five?

Moses' Roses: How can ten roses be planted in five rows of four?

Two Coins: What two coins add up to 70p (one of them is not a 50p coin)

The Blue Arrows: What is the smallest number of jets that could have been in the formation according to the sighting information?

Does not add up!: Why would eight and five add up to one?

Rope Ladder: How many rungs of a rope ladder remain above the water line after the tide has risen two metres?

Wandering Bear: A bear walks south, east then north and finds it is back where it started. What colour is the bear?

Rejuvenate: A girl was 16 years old in 2010 but just 8 years old in 2018

Sharing Apples: Share five apples between five children while leaving one in the basket.

Smart Animals: Who is most likely to be able to work out the square root of 121?

Sums With Hundreds: When is eighteen hundred minus fifty the same as seventeen hundred plus ten?

Doctor's Son: The doctor's son's age does not add up!

Calendar Clue: Find the murderer from the clue written on the calendar

Audible Riddles: Listen to these audible mathematical riddles and use your ingenuity to figure out the answers.

Calendar Riddle: Work out the date of my birthday from the clues in rhyme.

Maths Jokes: Many mathematical jokes can be thought of as riddles and there is a big collection of jokes here.

### Riddles as Starters:

Birthday Clues
Work out the date Will was born by answering some number questions.

Missing Pound
A puzzle about a restaurant bill. Exactly where did the missing pound go?

Mystery Numbers
Can you recognise the mystery numbers from the clues?

Number Riddles
Can you work out the numbers from the given clues.

Polygon Riddle 1
Solve the riddle to find the name of the polygon then sum the interior angles.

Polygon Riddle 2
A "My first is in..." type riddle leading to a polygon interior angle calculation.

Polygon Riddle 3
A 'My first is in...' riddle that describes a geometrical shape. Can you construct it?

Secret Symbol
Place a symbol between the four and the five to get a number greater than four and less than five.

St Ives

### Fun Maths

In addition to these riddles see also our huge collection of Fun Maths games, puzzles and challenges.

#### Fun Maths

The end of the lesson or the lesson at the end of Term should be a little more fun than normal. Here's a collection of fun mathematical activities

Transum.org/go/?to=fun

The large collection of End of Term activities might also be of interest to you.

### Mathematical Riddles

Here is the Transum collection of mathematical riddles to make you think outside the box then enjoy the satisfaction finding the answer brings.

A riddle is a statement, possibly with a double or hidden meaning, presented as a puzzle to be solved. Riddles are of two types: enigmas and conundrums, but all of the riddles collected here have a mathematical connection. Posing riddles is an old and respected way of describing mathematical situations, connections and problems.

There is definitely a place for mathematical riddles in the Maths classroom. They can be used as lesson starters or finishers. They could be presented to pupils to think about for homework or included in the school newsletter to promote mathematics.

You will find a number of different types of riddles here which are designed to capture the interest of pupils in a mathematical skill, concept or topic.

### Projectable Resources:

How old was Diophantus?: An ancient riddle which can be answered by solving an equation containing fractions.

Mathematical Catchphrase: Say what you see! Work out the mathematical words from the picture clues.

Number Rhyme: A poem about the numbers one to nine. Just for fun can you make up a last line for each verse?

### Hands-on Riddles

Calculator Words
Turn your calculator upside down to make words out of the answers to these questions.

Maths Crossword
An interactive mathematical crossword for you to do online. Find the missing words from the given clues.

Mystery Numbers
If '7 D in a W' stands for 7 days in a week, what do you think these mystery numbers are?

Vowelless
Vowels have been taken out of mathematical words. Can you recognise them?

Maths Jokes Explained: Some of your favourite maths jokes are dissected in forensic fashion.

The 50 Cent Riddle: A 50 cent coin has 12 equal sides. If you place two coins next to each other on a table, what is the angle formed between the two coins?

The Infinite Chocolate Bar: A visual riddle! Can you explain?

Links to other websites containing resources for Maths Riddles are provided for those logged into 'Transum Mathematics'. Subscribing also opens up the opportunity for you to add your own links to this panel. You can sign up using one of the buttons below:

### Search

The activity you are looking for may have been classified in a different way from the way you were expecting. You can search the whole of Transum Maths by using the box below.

Your access to the majority of the Transum resources continues to be free but you can help support the continued growth of the website by doing your Amazon shopping using the links on this page. Below is an Amazon search box and some items chosen and recommended by Transum Mathematics to get you started.

## Texas Instruments Nspire Calculator

This handheld device and companion software are designed to generate opportunities for classroom exploration and to promote greater understanding of core concepts in the mathematics and science classroom. TI-Nspire technology has been developed through sound classroom research which shows that "linked multiple representation are crucial in development of conceptual understanding and it is feasible only through use of a technology such as TI-Nspire, which provides simultaneous, dynamically linked representations of graphs, equations, data, and verbal explanations, such that a change in one representation is immediately reflected in the others.

For the young people in your life it is a great investment. Bought as a gift for a special occasion but useful for many years to come as the young person turns into an A-level candidate then works their way through university. more...

The analytics show that more and more people are accessing Transum Mathematics via an iPad as it is so portable and responsive. The iPad has so many other uses in addition to solving Transum's puzzles and challenges and it would make an excellent gift for anyone.

The redesigned Retina display is as stunning to look at as it is to touch. It all comes with iOS, the world's most advanced mobile operating system. iPad Pro. Everything you want modern computing to be. more...