Decimals are base-10 numbers. They are like Fractions where you can have parts of a whole number, but they are represented differently.

  • Decimal numbers can go on to infinite digits

Fraction Decimal

oftentimes you would just use the calculator for this

Decimal places

since decimals can have infinite digits, we often shorthand them to some certain digit place. for example. 1.3333 1.3

Infinite repeating

Powers of 10

ones tenths …

Adding Decimals

1.4 + 1.7 Use that addition method i suppose

Subtracting Decimals

Same deal

Money Notation

$50.00 only has 2 decimal places