January review

Front

What is the formula to calculate the area of a square?

Back

Area = side × side

Front

What is the area of a square with a width of 4cm?

Back

16 cm²

Front

What time will it be in one hour if it is now half past five?

Back

6:30

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.

Front

Is 35 a prime or composite number?

Back

Composite

Front

Which number is NOT prime: 3, 7, 17, or 21?

Back

21

Front

What is the only even prime number?

Back

2

Front

What is the definition of a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

How many sides does a square have?

Back

4 sides

Front

What is the perimeter of a square with a side length of 4cm?

Back

16 cm