article
Building Up to Coding
This article describes the underlying mathematical ideas and skills involved in the important mathematical application of coding.
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problem
Dienes' Logiblocs
5 to 7
This problem focuses on Dienes' Logiblocs. What is the same and
what is different about these pairs of shapes? Can you describe the
shapes in the picture?
problem
Fracmax
14 to 16
Find the maximum value of 1/p + 1/q + 1/r where this sum is less than 1 and p, q, and r are positive integers.
problem
Golden Construction
16 to 18
Draw a square and an arc of a circle and construct the Golden
rectangle. Find the value of the Golden Ratio.
article
Take a ... Geoboard
This article for teachers explains why geoboards are such an invaluable resource and introduces several tasks which make use of them.
article
Whole Number Dynamics IV
Start with any whole number N, write N as a multiple of 10 plus a remainder R and produce a new whole number N'. Repeat. What happens?