1. Decimals & Decimal Place Value

2. Math Vocabulary
Decimal: A number that names part of a whole Decimal Point: The dot in a decimal Decimal Place: ALL #s to the right of a decimal point are called decimal places. Mixed Decimal: A number with a whole number, decimal point, and decimal numbers (to the right of the decimal

3. How many decimal places?
0.234  three  four  one

4. Decimal Place Value ___ . ___ ___ ___ ___ ___
___ . ___ ___ ___ ___ ___
ones tenths hundredths thousandths thousandths thousandths
* When reading/writing decimals we use the letters “ths” at the end of the place value word to determine that they are decimal values.

5. 3  thousandths 0  tenths 9  hundredths 5  ten thousandths
Decimal Place Value
a) Which digit is in the thousandths’ place …
b) Which digit is in the tenths’ place …  
c) What is the place value of the 9 in 67.89?
d) What is the value of the 5 in ?
3  thousandths 0  tenths 9  hundredths 5  ten thousandths

6. Practice… a) How many decimals places in … 16.57349
b) Which digit is in the tenths’ place …
c) What is the place value of the 4 in ?
d) How many decimal places in … 4.98?
e) What digit is in the thousandths place …