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Broad Topics >

Patterns, Sequences and Structure > Summation of series

##### Age 11 to 16 Challenge Level:

Can you see how this picture illustrates the formula for the sum of the first six cube numbers?

##### Age 11 to 14 Challenge Level:

Square numbers can be represented as the sum of consecutive odd
numbers. What is the sum of 1 + 3 + ..... + 149 + 151 + 153?

##### Age 11 to 14 Challenge Level:

Which of these pocket money systems would you rather have?