Math (First 10 Days) Challenge

Front

Is 8,155 divisible by 10?

Back

FALSE

Front

The area of a rectangle is 18 sq. cm. One side length is 6 cm. What is the other side length?

Back

3 cm

Front

Is 750 divisible by 9?

Back

FALSE

Front

Is 127 divisible by 2?

Back

FALSE

Front

Is 855 divisible by 9?

Back

TRUE

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the definition of divisibility?

Back

A number is divisible by another if it can be divided by that number without leaving a remainder.

Front

What is the rule for divisibility by 10?

Back

A number is divisible by 10 if it ends in 0.

Front

What is the rule for divisibility by 2?

Back

A number is divisible by 2 if it is even (ends in 0, 2, 4, 6, or 8).

Front

What is the rule for divisibility by 9?

Back

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