Decimals - Worksheets

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Addition with Decimals - Level 1 These one page worksheets cover basic adding with decimals. Key concept: Addition is the same with or without decimals. Students need to be aware of the decimals and make sure they are lined up before adding. Version A Preview Print Answers Version B Preview Print Answers

Addition with Decimals - Level 2 These one page worksheets cover adding with decimals. Student misunderstanding: Make sure the decimals are lined up before adding. Also, if the decimal is not in sight it is on the right. Example: 34 = 34. = 34.0 Version A Preview Print Answers Version B Preview Print Answers

Addition with Decimals - Level 3 This two page worksheet covers adding decimals. It uses students' prior addition knowledge to practice lining up decimals and carrying. Student misunderstanding: Always need to line up the decimals before adding. Helpful idea: Have students place decimals first, and then place the digits on the right and left of the decimal. Preview Print Answers

Multiplying and Dividing by 10's Level 1 This two page worksheet introduces multiplying and dividing decimals by 10's. It uses the simple concept of moving the decimal for each "0" in the 10's number. Key concept: Place values are separated by 10. Preview Print Answers

Multiplying and Dividing by 10's Level 2 This two page worksheet covers multiplying and dividing decimals by 10, 100, and 1000. Students should already understand basic decimals, and multiplication and division. Key concept: When multiplying or dividing by 10's the decimal is moving one place value per 10. Preview Print Answers

Multiplying and Dividing by 10's Level 3 This two page worksheet continues multiplying and dividing decimals by 10's, and covers up to 10 million. Students should already understand moving the decimal when using multiplication and division. Student misunderstanding: Commas are not the same as decimals. Commas separate the whole number groups (ones, thousands, millions, etc.). Decimals separate whole numbers from the fraction (pieces) of a whole number. Preview Print Answers

Long Division with Decimals Level 1 This two page worksheet introduces long division with decimals. It covers dividing when a decimal is already present, and adding a decimal and zero to complete a problem. Key concept: A decimal separates the whole number from the parts of a whole (fraction). And you are not changing a number by adding a decimal and a zero. Example: 1 is the same as 1.0 or 1.00 or 1.000000. Preview Print Answers

Long Division with Decimals Level 2 This two page worksheet continues long division with decimals. It covers adding more than one zero and repeaters. Key concept: That it's okay to add more and more zeros, and that some numbers can continue forever. Students should start recognizing the patterns of certain repeaters. Preview Print Answers

Long Division with Decimals Level 3 This two page worksheet covers decimals in the divisor (number on the outside). It includes prior division and decimal knowledge (adding zero's after a decimal, repeaters, etc.). Key concept: Can not divide with a decimal in the divisor, and whatever you do to the divisor you need to do to the dividend (inside number). Preview Print Answers

Decimals and Percents - All Levels This one page worksheet has students write the percent as a decimal and write the decimal as a percent. Key concept: A percent is out of 100, which means you need to always move the decimal two places. Percent to decimal you move two spaces to the left, and decimal to percent you move two spaces to the right. Preview Print Answers

Changing Fractions to Decimals Level 1 This two page worksheet introduces changing fractions to decimals using long division and prior decimal knowledge (adding zero's after a decimal, repeaters, etc.). Student misunderstanding: Lots of students get confused with which number goes inside (dividend) and which one goes outside (divisor). They usually think the bigger number goes inside. Preview Print Answers

Changing Decimals to Fractions Level 1 This two page worksheet introduces changing decimals to fractions. It covers up to thousandths and includes simplifying fractions. Helpful hint: When changing a decimal to a fraction, every digit to the right of the decimal means a zero in the denominator. Example: 0.19 has two digits to the right of the decimal, so the fraction would be 19/100 (the denominator has two zeros). Preview Print Answers

Percents, Decimals, and Fractions Level 3 Students write numbers as percents, decimals, and fractions. Use the above handouts for review if necessary. There are two versions of this handout. Version A Print Answers Version B Print Answers Preview