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problem
Identical digit multiplication
11 to 14
77 is multiplied by another two-digit number with identical digits. What is the product?
problem
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Always a multiple?
11 to 14
Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...
problem
True or false?
7 to 11
Without doing lots of calculations, can you decide which of these number sentences are true? How do you know?
problem
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That number square
5 to 11
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
problem
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Number round up
5 to 7
Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
article
History of fractions
Who first used fractions? Were they always written in the same way? How did fractions reach us here? These are the sorts of questions which this article will answer for you.
problem
Routes 1 and 5
5 to 7
Find your way through the grid starting at 2 and following these
operations. What number do you end on?
problem
Favourite
How big are classes 5, 6 and 7?
7 to 11
Use the two sets of data to find out how many children there are in Classes 5, 6 and 7.