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Chapter 4 6th Grade
Number Theory and Fractions
| Question | Answer |
|---|---|
| Divisible | A whole number is divisible by a second whole number if the first number can be divided by the second number with no remainder. |
| Even Number | is a number that ends in 0,2,4,6,8. |
| Odd Number | is a number that ends in 1,3,5,7,9. |
| Base | when a number is written in expontial form,the number that is used as a factor is the base. |
| Exponent | An exponent tells how many times a number or base is used as a factor. |
| Power | A power can be expressed by using exponents |
| Composite Numbers | is a whole number greater than one with more than two factors. |
| Factor | a whole number that divides another whole number with a remainder of 0. |
| Factor Tree | is a diagram that shows how a composite number breaks down into prime factors. |
| Prime factorization | writing a composite number as the product of prime numbers is the prime factorization of the number. |
| Prime Number | is a whole number with exactly two factors, 1 and the number and itself. |
| Common Factor | A factor that two or more factors share. |
| Greatest Commom Factor (GCF) | is the greatest factor shared by two or more factors |
| Equivalent fractions | are fractions that name the same amount. |
| Simplest form | when the numerator and denominator have no common factors other than 1. |
| Improper Fraction | has a numerator that is greater than or equal to the denominator. |
| Mixed number | is the sum of a whole number and a fraction. |
| Proper Fraction | the numerator is less than the denominator. |
| Common Multiple | a multiple shared by two or more numbers. |
| Least Common Multiple (LCM) | is the smallest number that is a multiple of both numbers. |
| Multiple | is the product of a number and any nonzero whole number. |
| Least Common Denominator (LCD) | is the least common multiple of the denominator. |
| Repeating Decimals | is a decimal that repeats the same digits without end. |