Definition: A number expressed in the base-ten system, a fractional numeral written in this system.

Alright class, settle down, let’s take a peek, At ‘decimal,’ a term we need to speak! The dictionary gives you a helpful clue, "Base-ten system," it says for you. Now, what does that really mean, you see? It's all about our counting family – ten, three, two, one, and free! Think of it like this, a simple rhyme, A decimal number is perfect in time! It’s a fraction , remember that’s the key, Written using numbers, you’ll agree. Like 0.5 – half a whole, you see? Or 1.25 – one and a quarter, glee! We use decimals for money, it's true, And measurements small, just for me and you! So 'decimal' means numbers that end with a dot, A fraction in ten, whether hot or not! Does that make sense? Any questions to share?