Factors, Multiples, Divisibility Rules

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What is a multiple?

Back

A multiple is a number that can be divided by another number without a remainder.

Front

How do you know if a number is divisible by 2?

Back

A number is divisible by 2 if it has an even number as the last digit.

Front

How do you know if a number is divisible by 5?

Back

A number is divisible by 5 if it ends with a 0 or a 5.

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.

Front

Is 9 a factor of 18?

Back

Yes, because 18 divided by 9 equals 2 with no remainder.

Front

Is 20 a multiple of 5?

Back

Yes, because 20 divided by 5 equals 4 with no remainder.

Front

Is 80 a multiple of 9?

Back

No, because 80 divided by 9 does not result in a whole number.

Front

What does it mean if a number is divisible by another number?

Back

It means that when you divide the first number by the second, there is no remainder.

Front

What is the smallest multiple of 7?

Back

The smallest multiple of 7 is 7 itself.