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krodriguezMath1

Chapter 2 vocabulary to know

TermDefinition
dividend the number being divided (the number inside the house)
divisor the number that will divide the dividend (the number outside the house)
quotient the answer to a division problem
product the answer to a multiplication problem
numerator tells how many parts of the whole in the fraction (top number)
denominator tells how many parts the whole is divided into (bottom number)
improper fraction when the numerator is larger than the denominator- top heavy
mixed number a number with both a whole number and a fraction
multiplicative inverse reciprocal (flip the fraction)
equivalent fractions 2 fractions with the same value
algorithm a set of rules or method that you use to solve a math problem
whole numbers all counting numbers including zero. no decimal numbers or fractions
factors all the whole numbers that can be divided equally into another number. ex: the factors of 12 are 1, 2, 3, 4, 6, 12
multiple the times table for that number, skip counting. ex: the multiples of 3 are 3, 6, 9, 12, 15...
composite number a number with more than 2 factors. ex: 8 (factors are 1, 2,4, 8)
prime number a number with exactly 2 factors: 1 and itself. ex: 7 (factors are 1, 7)
divisible a number is divisible by another number if after dividing there is no remainder. ex: 8 is divisible by 2 and 4
greatest common factor (GCF) the largest quantity that factors (divides) evenly into two or more numbers. ex: Factors of 15 Factors of 24 1, 3, 5, 15 1, 2, 3, 4, 6, 8, 12, 24 The GCF of 15 and 24 is 3.
least common multiple (LCM) the smallest multiple shared by two or more numbers ex: 6: 6, 12, 18, 24, 30 9: 9, 18, 27, 36 The LCM of 6 & 9 is 18.
least common denominator (LCD) the LCM of two denominators
Created by: krodriguez24
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