Being resourceful

There are 88 NRICH Mathematical resources connected to Being resourceful
Xavi's T-shirt
problem

Xavi's T-shirt

Age
7 to 16
Challenge level
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How much can you read into a T-shirt?
Gabriel's Problem
problem

Gabriel's Problem

Age
11 to 14
Challenge level
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Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?
Multiplication arithmagons
problem

Multiplication arithmagons

Age
14 to 16
Challenge level
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Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?
Reversals
problem

Reversals

Age
11 to 14
Challenge level
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Where should you start, if you want to finish back where you started?
Unequal Averages
problem

Unequal Averages

Age
11 to 14
Challenge level
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Play around with sets of five numbers and see what you can discover about different types of average...
Box plot match
problem

Box plot match

Age
14 to 16
Challenge level
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Match the cumulative frequency curves with their corresponding box plots.
Wipeout
problem

Wipeout

Age
11 to 16
Challenge level
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Can you do a little mathematical detective work to figure out which number has been wiped out?
Forwards Add Backwards
problem

Forwards Add Backwards

Age
11 to 14
Challenge level
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What happens when you add a three digit number to its reverse?
Cryptarithms
problem

Cryptarithms

Age
11 to 14
Challenge level
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Can you crack these cryptarithms?
Difference Sudoku
problem

Difference Sudoku

Age
14 to 16
Challenge level
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Use the differences to find the solution to this Sudoku.