Comparing and ordering numbers

There are 87 NRICH Mathematical resources connected to Comparing and ordering numbers
Euromaths
problem

Euromaths

Age
11 to 14
Challenge level
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How many ways can you write the word EUROMATHS by starting at the top left hand corner and taking the next letter by stepping one step down or one step to the right in a 5x5 array?
Sort them out (2)
problem

Sort them out (2)

Age
7 to 11
Challenge level
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Can you each work out the number on your card? What do you notice? How could you sort the cards?
Rod Fractions
problem

Rod fractions

Age
7 to 14
Challenge level
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Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?
Sorting the Numbers
problem

Sorting the numbers

Age
5 to 11
Challenge level
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Complete these two jigsaws then put one on top of the other. What happens when you add the 'touching' numbers? What happens when you change the position of the jigsaws?
Making Pathways
problem

Making pathways

Age
7 to 11
Challenge level
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Can you find different ways of creating paths using these paving slabs?
Interactive Balance
interactivity

Interactive balance

In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!