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There are 4 NRICH Mathematical resources connected to NC-ProblemSolvingPV-R1-Y3, you may find related items under NC.
Broad Topics > NC > NC-ProblemSolvingPV-R1-Y3What happens when you add three numbers together? Will your answer be odd or even? How do you know?
A task which depends on members of the group noticing the needs of others and responding.
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?