Being resourceful

There are 94 NRICH Mathematical resources connected to Being resourceful
Satisfying Four Statements
problem
Favourite

Satisfying four statements

Age
7 to 11
Challenge level
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Can you find any two-digit numbers that satisfy all of these statements?
Number Lines in Disguise
problem
Favourite

Number lines in disguise

Age
7 to 14
Challenge level
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Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Agile Algebra
problem

Agile algebra

Age
16 to 18
Challenge level
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Observe symmetries and engage the power of substitution to solve complicated equations.

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.