Whole Numbers

Front

What is a whole number?

Back

A whole number is a non-negative integer, which includes 0, 1, 2, 3, and so on.

Front

What are prime numbers?

Back

Prime numbers are whole numbers greater than 1 that have no positive divisors other than 1 and themselves.

Tags

CCSS.4.OA.B.4

Front

What is the divisibility rule for 2?

Back

A number is divisible by 2 if its last digit is even (0, 2, 4, 6, or 8).

Tags

CCSS.3.OA.D.9

Front

What is the divisibility rule for 3?

Back

A number is divisible by 3 if the sum of its digits is divisible by 3.

Tags

CCSS.4.OA.B.4

Front

What is the divisibility rule for 4?

Back

A number is divisible by 4 if the last two digits form a number that is divisible by 4.

Tags

CCSS.3.OA.D.9

Front

What is the divisibility rule for 5?

Back

A number is divisible by 5 if its last digit is 0 or 5.

Tags

CCSS.2.OA.C.3

Front

What is the divisibility rule for 6?

Back

A number is divisible by 6 if it is divisible by both 2 and 3.

Tags

CCSS.3.OA.D.9

Front

What is the divisibility rule for 8?

Back

A number is divisible by 8 if the last three digits form a number that is divisible by 8.

Tags

CCSS.4.OA.B.4

Front

What is the divisibility rule for 9?

Back

A number is divisible by 9 if the sum of its digits is divisible by 9.

Tags

CCSS.3.OA.D.9

Front

What is the divisibility rule for 10?

Back

A number is divisible by 10 if its last digit is 0.

Tags

CCSS.3.OA.D.9