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Maths Puzzle SP8

You have 26 cards, one card for each letter of the alphabet.

a What is the largest even number you can spell?

b What is the largest odd number you can spell?

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Maths Puzzle SP7

Albert and Carla are friends
When you add the square of Albert's age to Carla's age the total is 62
When you add the square of Carla's age to Albert's age the total is 176

How old are Albert and Carla?

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A farmer owned 3 square fields as shown in the diagram. When he died he left his land equally to his 4 sons and 4 daughters. But … his will stated that each son must be given a plot of the same shape and each daughter must be given a plot of the same shape and all 8 plots had to be of equal size. How was the land split up?

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Sonia was about to fix the last post in a circular hen pen. She noticed that three quarters of the number of posts she had already fixed behind her plus one third of those she had fixed in front of her was the same as the number of posts that would be in the pen.

How many post would there be in the completed pen?

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Maths Puzzle SP4

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Maths Puzzle SP3

Sally and Becky's ages use the same digits but in the reverse order.

A year ago Sally was twice as old as Becky.

What are Sally's and Becky's ages?

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Maths Puzzle SP2

A triangle has three square corners.

It is placed in a rectangle with four square corners.

This leaves two other triangles, one of which has two square corners and another angle.
What is this angle?

This all happens on a flat plane.

Hint: 'Square' can have several different meanings.

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Maths Puzzle SP1

In February 1798 Richard Chappell in his book "The Universal Arithmetic" wrote this verse.

Multiply half my age by half a score

And from that product take seventy four

Add to it four, divide by three

What is my age - you'll plainly see?

To find Richard Chappell's age in years more accurately:

Add the years in which he could have been born

Divide your answer by a century

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