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Number Sense 2

Vocabulary - number sense

QuestionAnswer
equivalent fractions different fractions that name the same amount
ratio a comparison of two numbers (using division)
multiple the product of the number and any whole number
divisor the number that divides into the dividend
numerator the part of a fraction that tells the parts of the whole
composite number a number that has more than two factors
lowest form a fraction that cannot be divided by any common factors
fraction line a symbol used to separate whole numbers and numbers less than one
prime number a number that has exactly two factors, one and itself
greatest common factor used to reduce fractions - largest factor of two or more numbers
factor a number, when multiplied, gives a product; an integer(number) that divides evenly in a number
improper fraction a fraction greater than one
numerator the part of a fraction that tells parts of the whole
even number a number that ends with a 0,2,4,6, or 8
fraction line a symbol that means division; numerator divided by denominator
least common multiple smallest multiple of two numbers; used to find a least common denominator
quotient the number you get when you divide a dividend by a divisor
product the number you get when you multiply two or more factors
percent per 100; a ratio that compares a number to 100
decimal a number less than one that represents tenths, hundredths, thousandths,. . .
reciprocal when the numerator and denominator are flipped
odd number a number that ends with 1, 3, 5, 7, or 9
divisibility rule for 2 any number that end with 0, 2, 4, 6, or 8
divisibility rule for 3 the sum of the digits equals 3, 6, or 9
divisibility rule for 5 any number that ends with a 0 or 5
divisibility rule for 9 the sum of the digitis equals 9
divisibility rule for 10 any number that ends with 0
Created by: mcorrigantms
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