Complex Numbers
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Complex Number Worksheets
Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths.
FP1 Complex Numbers (Edexcel Further Pure Maths)
Basics - video on powers of i
Complex Numbers: Addition, Subtraction and Multiplication
Example:
z1 = 3 + 2i
z2 = 4 - 3i
Find:
- z1 + z2
- z1 - z2
- 5z1
- i2
- z1z2
Expand the following: - i3
- i4
- 2i8 - (3i)2
- (3 - 2i)4
FP1 Edexcel January 2013 Q2
Example:
z = 50/(3 + 4i)
Find in the form ai + b where a,b ∈ ℝ,
(a) z
(b) z2
Find
(c) |z|
(d) arg z2, giving your answer in degrees to 1 decimal place.
Check out our most popular games!
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Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
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Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
Penguin Solitaire:
Move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).
Sawayama Solitaire:
This is similar to the common Klondike Solitaire except for a few changes to make it more strategic.
Check out more Solitaire games here.
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