2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt Easy Little Harder Medium Getting Tough Feeling Lucky?
A number that names a part of a whole or a part of a group
What is a fraction?
The number below the bar in a fraction that tells how many equal parts are in the whole
What is a denominator?
The number above the bar in a fraction that tells how many equal parts of the whole are being considered
What is a numerator?
Example: 3 4
What is a numerator?
Example: 3434
What is a denominator?
A natural number that is divisible by 2
What is an even number?
A number represented by a whole number and a fraction
What is a mixed number?
Examples: 16, 24, 100
What are even numbers?
Examples:
What are fractions?
2 ½ 4 ¼ Examples:
What are mixed numbers?
A fraction with a numerator that is greater than the denominator
What is an improper fraction?
The product of a given whole number and another whole number
What is a multiple? x 1 x 2 x
Example: 5 4
What is an improper fraction? 6565
A whole number greater than 1 whose only factors are 1 and itself
What is a prime number? 7 1, , 11
Example:
What are multiples?
Fractions that name the same amount
What are equivalent fractions?
A number written as the product of all its prime factors
What is prime factorization? x 2 8 x 5 4 x 2 2 x 2 2 x 2 x 2 x 5 x 2 = 80
A number that is multiplied by another number to find a product
What is a factor? 4 x 7 = 28 4 and 7 are factors
Example:
What is prime factorization?
The greatest factor that two or more numbers have in common
What is the greatest common factor (GCF)? 18: 1, 2, 3, 6, 9, 18 30: 1, 2, 3, 5, 6, 10, 15, 30 6 is the GCF of 18 and 30
The least common multiple of 2 or more denominators
What is the least common denominator (LCD)?
A diagram that shows the prime factors of a number
What is a factor tree?
Example:
What is the least common denominator?
The smallest number, other than zero, that is a common multiple of 2 or more numbers
What is the least common multiple (LCM)? multiples of 6: 6, 12, 18, 24, 30, 36 multiples of 9: 9, 18, 27, 36, 45, 54 The LCM of 6 and 9 is 18.
Examples: NumberFactors 21, 2 31, 3 51, 5
What are prime numbers? 7, 13, 41