decimal - numbers with a whole component and a part component. Digits to the left of the decimal point indicate the whole number, digits to the right indicate a value less than one. Eg, 3.45, denominator - bottom number of a fraction. Eg, denominator of 2/3 is 3., equivalent Fraction - different fractions that have the same value. Eg 24/36 is the equivalent fraction of 4/6., improper Fraction - fraction where the numerator is larger than or equal to the denominator. Eg 9/7 or 6/6., irrational number - numbers that cannot b e written exactly as a fraction. these are non-terminating decimals that are not recurring. Eg π, √2, √3. , lowest common denominator - (LCD) lowest common multiple of the denominators in two or more fraction. Eg 1/3 and 1/2 have an LCD of 6., mixed number - made up of a whole number component and a proper fraction component; for example, 3 ⅘, non-terminating decimal - decimal number with an endless number of decimal places. eg 5.761234... or 4.266666..., numerator - top number of a fraction. Eg the numberator of 2/3 is 2., pi - irrational number (3.141592653...) used in calculations involving circumference and area of a circle. Ratio of circumference of a circle to its diameter. Symbol is π., proper fraction - Fraction where the numerator is smaller than the denominator. Eg 4/5., rational number - numbers that can be written exactly as fractions. Includes whole nubmers, fractions, terminating decimals and recurring decimals., reciprocal - the multiplicative inverse of a number. When a number is multiplied by its reciprocal, the result is 1. , recurring decimal - a special type of non-terminating decimial. The digits after the dfecimal point form a recurring or repeating pattern. Eg 0.33333... = 0.3 ̇; 5.476476476... = 5.(476) ̅¯ , sign - referring to whether a number is positive (indicated by the plus '+' sign) or negative (indicated by the minus '-' sign). Other mathematical symbols (≤, =, ≥ etc) represent relationships between numbers., terminating decimal - decimal that stops after a set of number or decimal places. Eg 0.625., trailing zeros - zeros to the right of the last non-zero digit after the decimal point in a decimal number. Eg. 3.900 has two trailing zeros.,

Fractions & Decimals

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تضمين

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