Other tags that relate to A Brief Introduction to Complex Numbers
Algorithms. Practical Activity. Mathematical reasoning & proof. Arithmetic sequences. Rational and irrational numbers. Limits of Sequences. Proof by contradiction. Angular Motion. Video. Summation of series.There are 10 results
Broad Topics > Patterns, Sequences and Structure > Summation of series
Summing Geometric Progressions
Age 14 to 18 Challenge Level:
Watch the video to see how to sum the sequence. Can you adapt the method to sum other sequences?
Slick Summing
Age 14 to 16 Challenge Level:
Watch the video to see how Charlie works out the sum. Can you adapt his method?
Pocket Money
Age 11 to 14 Challenge Level:
Which of these pocket money systems would you rather have?
Picture Story
Age 14 to 16 Challenge Level:
Can you see how this picture illustrates the formula for the sum of the first six cube numbers?
Picturing Square 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?
Summing Squares
Age 14 to 16 Challenge Level:
Discover a way to sum square numbers by building cuboids from small cubes. Can you picture how the sequence will grow?
Sums of Powers - A Festive Story
Age 14 to 18
A story for students about adding powers of integers - with a festive twist.
Vanishing Point
Age 14 to 18 Challenge Level:
How can visual patterns be used to prove sums of series?
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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.