Decimals Worksheets (Free Printable PDF)

Twenty-four decimal problems set out in columns with the decimal points lined up, so the method on the page is the method taught in class.

Printable decimals worksheet with twenty-four column addition problems
Operation
Answer key
Paper size
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Each page holds twenty-four problems in four columns of six, written one number above the other with the decimal points lined up and a rule underneath for the answer. Adding and subtracting use two numbers with two decimal places each, large enough to need regrouping but small enough to stay in a child's head when checking. The line under the title restates the rule being practised, and there is a name, date and score line at the top.

The multiply setting changes the shape of the question: a number with one decimal place times a single-digit whole number, which is the standard introduction to decimal multiplication. The note reminds the child to multiply as whole numbers first and then put the decimal point back, and every answer has exactly one decimal place so a wrong number of places is easy to spot when marking.

Every answer space is a form field, so the sheet can be worked on a laptop or a tablet as well as on paper. Turn the answer key on and the PDF becomes two pages: the worksheet, then the same twenty-four problems with the answers printed in red under each rule. The same operation always produces the same twenty-four problems, so a printed key still matches a sheet printed weeks later.

How to use it

  1. 1

    Choose the operation

    Adding and subtracting use two decimal places; multiplying uses one decimal place times a whole number.

  2. 2

    Add the answer key

    Turn the key on for a second page with all twenty-four answers printed in red.

  3. 3

    Print or fill it in

    Print at 100% ("Actual size") so lines and boxes keep their exact spacing, or fill the form fields on screen in any PDF viewer.

  4. 4

    Line up the decimal points

    Work column by column from the right, keeping the decimal point in the answer directly under the ones above it.

Frequently asked questions

Yes. There is no watermark and no sign-up for your first 20 downloads each day; after that a free account keeps downloads going. You may print the file as often as you like for personal, school or business use.
Twenty-four, in four columns of six, each with room under the rule for the answer.
Two for adding and subtracting. The multiply sheet uses one decimal place times a single-digit whole number, so the answer also has one.
Yes, every answer space is a form field, so the worksheet works on screen as well as on paper.
Yes. With the key turned on the file is two pages: the worksheet first, then the same problems with the answers in red.
Yes. The questions come from the options you choose, so a key printed today still matches a worksheet printed next term, and a whole class can work from the same page.

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