Decimal Place Value
Decimals are numbers with a decimal point. The digits after the decimal point represent tenths and hundredths.
What You Need to Know
Key Concept Diagram
The first digit after the decimal point is in the tenths place (0.1)
The second digit after the decimal point is in the hundredths place (0.01)
0.5 is the same as one half and 0.25 is the same as one quarter
Decimals can be shown on a number line between whole numbers
Key Vocabulary
Decimal
A number with a dot (decimal point) separating whole and fractional parts
Tenths
Parts created by dividing one whole into 10 equal parts (0.1)
Hundredths
Parts created by dividing one whole into 100 equal parts (0.01)
Decimal point
The dot that separates the whole number from the decimal fraction
Knowledge Check
Select the correct answer for each question. Click "Check Answer" to see if you are right.
Question 1
What does the 3 represent in 5.3?
Question 2
Which decimal is the same as one half?
Question 3
What is 0.4 as a fraction?
Key Concepts Summary
- ●The first digit after the decimal point is in the tenths place (0.1)
- ●The second digit after the decimal point is in the hundredths place (0.01)
- ●0.5 is the same as one half and 0.25 is the same as one quarter
- ●Decimals can be shown on a number line between whole numbers