Divisibility Rules and Basic Calculations

Front

What is the value of 2 in 724,638?

Back

20,000

Front

Calculate 35.24 X 2.6.

Back

91.624

Front

True or False: 49 is a perfect square.

Back

True

Front

Back

22

Front

What is the standard form of Thirty-eight and seventy-two hundredths?

Back

38.72

Front

What is a divisibility rule?

Back

A rule that helps determine if one number is divisible by another without performing division.

Front

What is the divisibility rule for 2?

Back

A number is divisible by 2 if its last digit is even.

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

What is the divisibility rule for 5?

Back

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

Front

What is the divisibility rule for 10?

Back

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