Fractions, Prime and Composite

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as 'a/b', where 'a' is the numerator and 'b' is the denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

How do you identify multiples of a number?

Back

Multiples of a number are found by multiplying that number by integers (e.g., multiples of 3 are 3, 6, 9, 12, etc.).

Front

Compare the fractions 1/5 and 2/10.

Back

1/5 = 2/10, so they are equal.

Front

What is the result of subtracting 6 3/4 from 9 2/4?

Back

The result is 2 3/4.

Tags

CCSS.7.NS.A.1C

Front

What is the product of 3/4 and 5/8?

Back

The product is 15/32.

Tags

CCSS.5.NF.B.6

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the least common multiple (LCM)?

Back

The least common multiple of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

What is the greatest common divisor (GCD)?

Back

The greatest common divisor of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.