1. Place Value and Estimation
Unit 1 – Day 4
Place Value and Estimation

2. Place Value – How to name digits
Unit 1, Day 4 - Place Value & Estimation
Place Value – How to name digits
Ten Thousands
Thousands
Hundreds
Tens
Ones
Tenths
Hundredths

3. Name the place value for each digit 65, 908.438 9 4 3
Thousands
Tens
Ones
Hundreds
Tenths
Hundredths

4. Name the place value for each digit 34, 279.012
Ones
Tens
Hundredths
Thousands
Tenths
Hundreds

5. Name the digit in each place value 79, 504. 23
Thousands
Tens
Ones
Hundreds
Hundredths
Tenths 9 4 5 3 2

6. Rounding to a place value
Ex: Round to the nearest tenth 3.478
Look at the digit to the right of the place
If it is 5 or higher, round up
If not, stay
3. 478
Since 7 is greater than 5, we round up
3.5

7. Ex: Round to underlined place value
Unit 1, Day 4 - Place Value & Estimation
Ex: Round to underlined place value
578
45.329
234.99
122.98
851
580
45.3
230
123
900