Multiplication and division

There are 227 NRICH Mathematical resources connected to Multiplication and division
Multiples Sudoku
problem

Multiples Sudoku

Age
11 to 14
Challenge level
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Each clue in this Sudoku is the product of the two numbers in adjacent cells.
Today's date - 01/06/2009
problem

Today's date - 01/06/2009

Age
5 to 11
Challenge level
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What do you notice about the date 03.06.09? Or 08.01.09? This challenge invites you to investigate some interesting dates yourself.
Galley Division
problem

Galley Division

Age
14 to 16
Challenge level
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Can you explain how Galley Division works?
Debasing the Coinage
problem

Debasing the Coinage

Age
11 to 14
Challenge level
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How much lighter will £5 worth of 5p's be with these new lighter coins?
Bus Route
problem

Bus Route

Age
11 to 14
Challenge level
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How far apart are the first and last bus stops in this bus route?
Shut the box
problem

Shut the box

Age
5 to 7
Challenge level
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An old game but lots of arithmetic!
Oh! Harry!
problem

Oh! Harry!

Age
7 to 11
Challenge level
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A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?
Rabbits in the pen
problem

Rabbits in the pen

Age
7 to 11
Challenge level
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Using the statements, can you work out how many of each type of rabbit there are in these pens?
Cows and Sheep
problem

Cows and Sheep

Age
7 to 11
Challenge level
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Use your logical reasoning to work out how many cows and how many sheep there are in each field.
A First Product Sudoku
problem

A First Product Sudoku

Age
7 to 14
Challenge level
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Given the products of adjacent cells, can you complete this Sudoku?