highschool/Grade 9/Math/MFM1P1/Final_Exam_Study_Sheet.md

Study Sheet

Rounding and Decimals

Decimals

• Terms:
  • Given the number 9123.456:
    • The tenth is the 4
    • The hundredth is 5
    • The thousandths is 6
    • The **ones* is 3
    • The tens is 5
    • The hundreds is 1
    • The thousands is 9
    • **Remember, tens and tenths may sound the same, but they are DIFFERENT!
• To round to a a tenth, hundredth, and thousandths
  • Tenths
    • If the hundredth is 5 or higher, round up, else, round down.
  • Hundreth
    • If the thousandth is 5 or higher, round up, else, round down.
  • Thousandth
    • If the number of the thousandth is 5 or higher, round up, else, round down.