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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 7 Challenge Level:
What do you know about even numbers?
What do you know about the units digit of even numbers?
Where could the digit on the first card go - in the units or tens? Why?
How can you make a large number?
How do you know that's the biggest even number you can make?
What do you know about the units digit of even numbers?
Where could the digit on the first card go - in the units or tens? Why?
How can you make a large number?
How do you know that's the biggest even number you can make?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.