I WONDER - What Is A Decimal?

The video tutorial explains decimals as numbers that are not whole, using a decimal point to separate the whole part from the fractional part. It describes decimal places with examples like 8.75 and 0.125, and explains how decimals represent numbers between whole numbers, such as 5.5. The tutorial also shows the equivalence of decimals and fractions, using examples like 5.5 and 5 1/2, and 4/10 as 0.4. Finally, it introduces a visual method using a hundred-square grid to understand decimals, illustrating how 20 colored squares represent 0.2.

What new insight or understanding did you gain from this video?