Chapter 1
Place Value, Addition, and Subtraction
Test: Tuesday, September 9, 2025
Place Value, Addition, and Subtraction
Test: Tuesday, September 9, 2025
For our first math unit, students will be working on place value skills. Place Value is how our number system works. Without it we wouldn't be able to write large numbers. Just think.... with just 10 digits 0,1,2,3,4,5,6,7,8,9, we can write ANY number we choose! That means the value of a digit (what it's worth) depends on its place (where it is in the number). Therefore we have the term PLACE ...VALUE. Get it? COOL! So a 2 could be worth 2...20...200... and into the thousands, millions, billions, trillions, and so on, and so on, and so ON! WOW!
Place = Word
What is the "place" the number is in? (ones, tens, hundreds, etc...)
Value = Number
What is the "value" of the digit in that place? (500, 6.000, 4,000,000, etc...)