Adding Thousandths Decimal Worksheet
This adding thousandths decimal worksheet gives 5th graders eight column-addition problems to solve by lining up the decimal points. Includes a complete answer key for fast, no-prep decimal practice.
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About this resource
Description
This Adding Thousandths Decimal Worksheet gives fifth graders focused practice adding decimals all the way to the thousandths place. When students line up the decimal points and add each column from right to left, they build the place-value understanding they need to work confidently with money, measurement, and data. This adding thousandths decimal worksheet turns an abstract skill into a clear, step-by-step routine.
The printable page presents eight vertical addition problems, each set inside its own boxed card with a numbered circle so students can tell the problem number from the digits they are adding. Used as a 5th grade addition worksheet, it works well for independent practice, a math center, homework, or a quick formative check. Students solve each problem, bring the decimal point straight down, and write the sum on the line below.
What’s Included
- 1 print-ready PDF worksheet
- Answer key
- 8 vertical decimal addition problems
There are three reasons this resource helps students master the skill. First, the aligned column layout reinforces place value, so learners see exactly why the decimal points must line up. Second, the boxed problems keep each equation tidy and reduce careless mistakes. Third, the included answer key lets children self-check and lets teachers assess understanding quickly, making this adding thousandths decimal worksheet easy to use with no prep.
To extend the learning, have students estimate each sum before adding, then compare their estimate to the exact answer. Connect the math to real life by adding prices on a pretend shopping list or combining race times to the thousandth of a second. Partners can also create their own decimal problems, swap papers, and check each other’s work with a calculator.
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