Products
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All Courses, Number Theory & Computation
Ratio and Proportion
Course • 14 lessonsIn these lessons you will learn how to perform various calculations involving ratio and proportion.
$10
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All Courses, Number Theory & Computation
Classifying Numbers
Course • 15 lessonsIn these lessons, you will learn how to classify numbers as natural, whole, integers, rational, irrational and more.
$3
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All Courses, Number Theory & Computation
Properties of Numbers & Operations
Course • 14 lessonsIn these lessons you will learn about additive and multiplicative identities and inverses, the associative, commutative and distributive properties, closure & operations with zero.
$3
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All Courses, Number Theory & Computation
Operations with Whole Numbers
Course • 16 lessonsIn these lessons, you'll learn how to add, subtract, multiply and divide positive whole numbers.
$3
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All Courses, Number Theory & Computation
Factors, Multiples, HCF & LCM
Course • 38 lessonsIn these lessons, you will learn how to find factors, multiples and prime factors of numbers. You will also be able to express a number as a product of prime factors, and find the LCM and HCF of two or more numbers.
$10
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All Courses, Number Theory & Computation
Approximation
Course • 13 lessonsIn these lessons, you will learn how to approximate numbers to the nearest whole, ten and hundred. You will also be able to round off to a specified number of decimal places or significant figures, and express a number using standard form.
$10