Genius Defender Decimals

Help MathPup guard the Windmill by defeating the attacking Decimal Monsters. Each monster has an addition, subtraction, multiplication or division decimal problem. To defeat a monster, solve their decimal problem. Protect the windmill in each of the 25 levels.

Use the on-screen keypad to answer a Decimal Monster's decimal problem. Don't forget to put a digit (even zero) in front of the decimal.