More Math Rounding 
EnchantedLearning.com Decimals 
Fractions 
Place Value 
Adding Decimals 
Subtracting Decimals 
Multiplying Decimals 
Dividing Decimals 
Worksheets to Print 
The decimal numeration system is based on base 10. Each position in a number has a value that is a power of 10. A decimal point separates the nonnegative powers of 10 (10^{0}=1, 10^{1}=10, 10^{2}=100, 10^{3}=1,000, etc.) on the left from the negative exponents (10^{1}=1/10, 10^{2}=1/100, 10^{3}=1/1000, etc.) on the right.
Decimal Number  Written as a Fraction  Written in Terms of Place Value 

4.1  4 1/10  4 plus 1 tenth 
12.34  12 34/100  1 ten plus 2 ones plus 3 tenths and 4 hundredths 
0.01  1/100  1 hundredth 
The following chart shows the value of each place in a decimal number (written as a simple number, as an exponent, and in English):
100,000 = 10^{5} hundred thousands 
10,000 = 10^{4} ten thousands 
1,000 = 10^{3} thousands 
100 = 10^{2} hundreds 
10 = 10^{1} tens 
1 = 10^{0} ones 
decimal point  1/10 = 10^{1} tenths 
1/100 = 10^{2} hundredths 
1/1,000 = 10^{3} thousandths 
1/10,000 = 10^{4} ten thousandths 

6  5  4  3  2  1  .  1  2  3  4 
Worksheets on Decimals:
Place Value Each worksheet has decimal numbers to express in terms of place value. Worksheet #1  Go to the answers. Worksheet #2  Go to the answers. Worksheet #3  Go to the answers.

Place Value Each worksheet has powers of ten to express in terms of a decimal number. Worksheet #1  Go to the answers. 
Adding Decimals Each worksheet has decimal numbers to add. Worksheet #1  Go to the answers. 
Subtracting Decimals Each worksheet has decimal numbers to subtract. Worksheet #1  Go to the answers. 
Multiplying Decimals Each worksheet has decimal numbers to multiply. Worksheet #1 (decimal times an integer)  Go to the answers. 
Dividing Decimals Each worksheet has decimal numbers to divide. Worksheet #1 (decimal divided by an integer)  Go to the answers. Worksheet #2 (decimal divided by a decimal)  Go to the answers. Worksheet #3 (decimal divided by a decimal)  Go to the answers. 
Express Fractions as Decimals and as Percents Each worksheet has fractions to express as decimals and percentages. Worksheet #1  Go to the answers. Worksheet #2  Go to the answers. Worksheet #3  Go to the answers. Worksheet #4  Go to the answers.

Express Decimals as Fractions and as Percents Each worksheet has decimals to express as fractions and percentages. Worksheet #1  Go to the answers. Worksheet #2  Go to the answers. Worksheet #3  Go to the answers. Worksheet #4  Go to the answers.

Express Percents as Fractions and Decimals Each worksheet has percentages to convert to decimals and fractions. Worksheet #1  Go to the answers. Worksheet #2  Go to the answers. Worksheet #3  Go to the answers. Worksheet #4  Go to the answers.

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