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problem
Prime Order
11 to 14
Weekly Problem 24 - 2006
How many of the rearrangements of the digits 1, 3 and 5 give prime numbers?
problem
Fractions of Fractions
14 to 16
If you know that a fraction of X is the same as a different fraction of Y, can you work out X/Y?
problem
Producing an Integer
14 to 16
Multiply a sequence of n terms together. Can you work out when this product is equal to an integer?
article
How Can I Support the Development of Early Number Sense and Place Value?
This article for primary teachers expands on the key ideas which underpin early number sense and place value, and suggests activities to support learners as they get to grips with these ideas.
