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Easy Little

HarderMedium

Getting Tough

FeelingLucky?

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:

34

What is a numerator?

Example:

34

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?

25 25 25 x 1 x 2 x 3

25 50 75

Example:

54

What is an improper fraction?

6

5

A whole number greater than 1 whose only factors are 1 and

itself

What is a prime number?

7 1, 7

11 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?

80

40 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:

Number Factors

2 1, 2

3 1, 3

5 1, 5

What are prime

numbers?

7, 13, 41