Standard Form
How we are used to seeing numbers.
Word Form
one hundred eighty-three and
four hundred fifty-two thousandths
How we read and say numbers - the decimal point is the word "and".
Expanded Form
100 + 80 + 3
+ 0.4 + 0.05 + 0.002
Adding the value of each place. The pieces past the point get small fast.
Expanded Notation
(1 × 100) + (8 × 10) + (3 × 1)
+ (4 × 0.1) + (5 × 0.01) + (2 × 0.001)
Each digit × its place value - the most honest form of all.
