About Our Decimals Worksheets
Our printable decimals worksheets build fluency with tenths — the decimal skills students need from 4th grade through middle school. Adding and subtracting decimals uses the same vertical algorithm as whole numbers once students align the decimal point. Multiplying a decimal by a whole number is the natural bridge to fractions and percentages.
Each worksheet includes 24 problems in a clean vertical format with answer key. Problems are randomized to one decimal place, making them appropriate for 4th and 5th graders meeting decimals for the first time as well as older students who need fluency practice. Each download generates a fresh set of problems.
Frequently Asked Questions
When are decimals introduced in school?
Decimals are typically introduced in 4th grade, starting with tenths and hundredths. Students learn to read, write, compare, and round decimals. Addition and subtraction of decimals are usually taught in 4th–5th grade, while multiplication of decimals is introduced in 5th–6th grade.
How do you add and subtract decimals?
The key rule is to align the decimal points vertically before adding or subtracting. Once aligned, you add or subtract column by column just like whole numbers — the decimal point drops straight down into the answer. Students most often make errors by not aligning decimal points first, so it helps to draw a vertical line through the decimal points before computing.
How do you multiply a decimal by a whole number?
Multiply as if both numbers were whole numbers, then count the decimal places in the original decimal and place the decimal point that many places from the right in your answer. For example: 2.4 × 3 — treat it as 24 × 3 = 72, then move one decimal place = 7.2. This connects to the idea that multiplying by 10 shifts the decimal one place right.