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Let's Investigate Triangles
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Age 5 to 11
Challenge Level
Rosie went into the sweet shop with $10$p to spend.
There were chews for $2$p, mini eggs for $3$p, Chocko bars for $5$p and lollypops for $7$p.
What could she buy if she wanted to spend all her money?
Alice, James, Katie and Henry went into the shop too. They each had $20$p to spend and they all spent all of their money.
Alice bought at least one of each kind of sweet. Which one did she have two of?
James spent his money on just one kind of sweet, but he does not like chews. Which sweets did he buy?
Katie bought the same number of sweets as James but she had $3$ different kinds. Which sweets did she buy?
Henry chose $8$ sweets. What could he have bought?
(If you want to do this with cents instead go here
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NRICH is part of the family of activities in the Millennium Mathematics Project.