Exploring and noticing

There are 319 NRICH Mathematical resources connected to Exploring and noticing
Have you got it?
problem

Have you got it?

Age
11 to 14
Challenge level
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Can you explain the strategy for winning this game with any target?
Days and Dates
problem

Days and Dates

Age
11 to 14
Challenge level
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Investigate how you can work out what day of the week your birthday will be on next year, and the year after...
Birthday Cakes
problem

Birthday Cakes

Age
5 to 7
Challenge level
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Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?
Domino Join Up
problem

Domino Join Up

Age
5 to 7
Challenge level
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Can you arrange fifteen dominoes so that all the touching domino pieces add to 6 and the ends join up? Can you make all the joins add to 7?
Domino Sequences
problem

Domino Sequences

Age
5 to 7
Challenge level
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Find the next two dominoes in these sequences.
Grouping Goodies
problem

Grouping Goodies

Age
5 to 7
Challenge level
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Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?
Making Sticks
problem

Making Sticks

Age
5 to 7
Challenge level
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Kimie and Sebastian were making sticks from interlocking cubes and lining them up. Can they make their lines the same length? Can they make any other lines?
Butterfly Flowers
problem

Butterfly Flowers

Age
5 to 7
Challenge level
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Can you find two butterflies to go on each flower so that the numbers on each pair of butterflies adds to the number on their flower?
Missing Middles
problem

Missing Middles

Age
5 to 7
Challenge level
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Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of three dominoes?
Amazing Alphabet Maze
problem

Amazing Alphabet Maze

Age
5 to 7
Challenge level
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Can you go from A to Z right through the alphabet in the hexagonal maze?