# Numbers Vocabulary

Here are twenty words and terms often used in relation to numbers.

 1 add v. to put one number together with another [eg: 2 plus 2] - addition n. 2 billion n. 1,000,000,000; one thousand million; 109 3 divide v. 2 ÷ 2 [is expressed as] two divided by two - division n. 4 equal v. to be the same as [eg: 2 + 2 equals 4] 5 giga one billion 6 hundred n. 100; 102 7 kilo one thousand - k, K abbr. 8 mega one million - M abbr. 9 million n. 1,000,000; one thousand thousand; 106 10 minus p. 2 - 2 [is expressed as] two minus two 11 multiply v. 2 x 2 [is expressed as] two multiplied by two - multiplication n. 12 plus p. 2 + 2 [is expressed as] two plus two 13 square v. to multiply a number by the same number [eg: 3 squared = 9] 14 square root n. number that multiplied by itself gives a certain number [3 is the square root of 9] 15 subtract v. to deduct one number from another [eg: 2 minus 2] - subtraction n. 16 thousand n. 1,000; 103 17 times p. 2 x 2 [is expressed as] two times two - see multiply 18 to the power of multiplication of a number by itself [eg: 2 to the power of 3 = 8] 19 trillion n.1,000,000,000,000; a million million; 1012 20 zero n. 0; oh; nought