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3 results for Geometry in lessons.
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Lesson
The number system
Real Numbers and Their Properties
The six sets of numbers: natural, whole, integers, rational, irrational and real. How five of them sit one inside the next, where the irrational numbers belong, and how to use the…
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Lesson
Adding and subtracting real numbers
Real Numbers and Their Properties
How real numbers add and subtract: the six sets, the closure, commutative, associative, identity and inverse rules, and how to add or subtract like roots while leaving unlike parts…
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Lesson
Multiplying and dividing real numbers
Real Numbers and Their Properties
How to multiply and divide real numbers, including roots: swapping, regrouping, sharing out over a bracket, moving a root off the bottom of a fraction, and why zero can never be a…