decimal numbers

Understanding the place value and decimal numbers

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Comprendre la place de valeur et les nombres décimaux

IN BRIEF Definition of place value in decimal numbers. Difference between whole numbers and decimal numbers. Importance of digits after the decimal point (tenths, hundredths, etc.). Concept of truncation and approximate value. Writing decimal numbers in expanded form. Place value tables to organize values. In the field of mathematics, understanding decimal numbers and their place … Read more

Introduction to integers, decimals, and rational numbers

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Introduction aux nombres entiers, décimaux et rationnels

IN BRIEF Relative integers: Positive or negative, noted ℤ. Set ℕ: Contains all the natural numbers, included in ℤ. Rational numbers: Quotient of a relative integer and a non-zero integer, noted ℚ. Irrational numbers: Cannot be written in the form of a ratio of integers. Decimal numbers: A subset of rational numbers. Fractions and decimals: … Read more