1. MATH VOCABULARY FOR BASIC CALCULATIONS Roberto Rojas Nieto I.E.S. “Andrés de Vandelvira”. Baeza

7. set collection of items symbol: members of a set are called elements There are 4 elements in this set VennVenn diagrama diagram using circles or other shapes to show the relationship between sets

10. proper fraction numerator is less than the denominator Example: improper fraction numerator is greater than or equal to denominator Example: mixed number whole number and a fraction Example: equivalent fractions fractions that represent the same number Example: reducewe reduce a fraction by finding an equivalent fraction in which the numerator and denominator are as small as possible Example:

11. power of (number) the number of times a base number is multiplied by itself 10 4 Index (exponent) Base number Read asExpandedValue 3232 three squared or three to the power of two 3·39 5353 five cubed or five to the power of three 5·5·5125 2525 two to the power of five2·2·2·2·232 10 4 ten to the power of four10·10·10·1010 000

13. factorise to write a number as a product of its factors prime factorisation to write a number as a product of its prime factors greatest common factor or divisor (GCF) the biggest number that will divide two or more other numbers exactly Example: the greatest common factor of 30, 45 and 60 is 15 least common multiple (LCM) the smallest number that is the multiple of two or more other numbers Example: the least common multiple of 3, 4 and 6 is 12

14. square number a number that results from multiplying another number by itself Example: 9 is a square number because 9 = 3 2 A square number can be represented in the shape of a square. cube number a number that results from multiplying another number three times by itself Example: 125 is a cube number because 125 = 5 3 A cubed number can be represented in the shape of a cube. 5 3 = 125

15. square root of a number a number when multiplied by itself gives the original number Example: cube root of a number one of three identical factors of a number that is the product of those factors Example:

17. even number a number that is divisible by 2 Example: 3788 Even numbers end with 2, 4, 6, 8 or 0 The sequence of even numbers is: 2, 4, 6, 8, 10, 12, 14, … and so on odd numbera number that is not divisible by 2 Example: 4399 Odd numbers end with 1, 3, 5, 7 or 9 The sequence of odd numbers is: 1, 3, 5, 7, 9, 11, 13, … and so on