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3 results for Arithmetic in lessons.
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Lesson
Multiples and factors
Introduction to Number Systems
Multiples are what you get when you multiply a number by 1, 2, 3 and on; factors divide a number with nothing left over. Learn to list both, in pairs, without missing any.
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Lesson
Terms, factors and co-efficients
Introduction to Algebra
A letter can stand for a number you do not know yet. Learn to split an expression into terms, a term into factors, and to name the co-efficient, including its sign.
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Lesson
Closure and the commutative property
Real Numbers and Their Properties
Two questions about real numbers: does adding, subtracting, multiplying or dividing keep you inside the real numbers (closure), and may you swap the two numbers round (the commutat…