1. Place value, Comparing & Ordering
Decimals
Place value,
Comparing & Ordering

2. Place Value Chart

3. DECIMAL PLACE VALUE Decimals show part of a whole.
The decimal point separates the ones place and the tenths place.
The decimal says the word “and”.

4. Decimal Models
One Whole

5. Decimal Models
Tenths

6. Decimal Models
0.1
Tenths

7. Decimal Models
Hundredths

8. Decimal Models
.01
Hundredths

9. Decimal Models
.42
forty two hundredths

10. Decimal Models 3
3.7

11. Comparing Decimals
Number line
<
5.1
5.8
5.5
5.0
6.0

12. Comparing Decimals 2.033 2.037 Place Value 2.037
Line up decimal points
Start at left, compare each
place value

13. Comparing Decimals
Place Value
2.033
2.037
2.037
2.033

14. > Comparing Decimals 2.033 2.037 Place Value 2.037
7 and 3 are not equal
7 thousandths > 3 thousandths

15. Ordering Decimals 19.48, 19.481, 19.4 Place Value
19.48, ,
Line up the decimal points
19.48
19.481
19.4

16. Ordering Decimals 19.48, 19.481, 19.4 Place Value 19.48 19.481 19.4
19.48, ,
Annex a zero so that each has the same number of decimal places.
19.48
19.481
19.4

17. Ordering Decimals 19.48, 19.481, 19.4 Place Value
19.48, ,
Compare place to place, putting the numbers in order from least to greatest.
19.48
19.481
19.4
19.4;
19.48;
19.481

18. Ordering Decimals 19.48, 19.481, 19.4 Place Value 19.4; 19.48; 19.481
19.48, ,
19.4; 19.48;
19.48
19.481
19.4