Lesson 1.1 Place Value
What is place value? Every digit in a number has a special PLACE VALUE. This place value helps us give the number a name. Read this number: 1,428 (when you read a number you are using place value) http://www.sheppardsoftware.com/mathgames/placevalue/value.htm
Please copy on your blank chart 2 2 9 5 5 1 2 1 6 9 , , ,
Find the PLACE VALUE of the blue digit 234,563,213 2,345 198 21,345
Standard form: 1, 428 Expanded form: 1,000 + 400 + 20 + 8 Word form: One thousand, four hundred, Twenty eight
15,864 Standard form: Expanded form: Word from:
How can you use place value to compare numbers? 537,437,641 537,438,006 < Start at the left. Compare the digits in the same position.
Compare (less than or greater than) 1,359,214 1,359,124 >
Order from least to greatest 467,703,522 476,703,520 436,703,521
Bonus Question 12.346 Find the PLACE VALUE of the blue, red, and green digits… 12.346 hundredths thousandths tenths
Today’s Place Value Activities “Getting to Know You” “Don’t Forget It!” “Color Coded Costumes” Place Value Puzzler Game http://www.funbrain.com/tens/index.html