Understanding Square Numbers and Square Roots

What is a square number?

• A number that is always odd

• A number that is always even

• A number that is the product of two different numbers

• A number that is the product of a number multiplied by itself

If the area of a square is 16 cm², what is the length of one side?

• 2 cm

• 5 cm

• 3 cm

• 4 cm

What is the square root of 25?

• 3

• 4

• 6

• 5

Which symbol is used to denote the square root?

• A plus sign

• A division sign

• A square root sign

• A multiplication sign

When solving square root problems, why is it important to include the unit of measurement?

• To make the problem more difficult

• To confuse the reader

• To ensure the answer is complete and accurate

• To make the answer look longer