Place value is the key that unlocks decimals. In the number 34.567, the digit 5 does not mean five: it means five tenths. Learners who see that clearly can read, compare, and round decimals with confidence. This free quiz shows you a decimal number and asks which place one digit holds, so you can test that understanding in a few minutes.
What this tool does
This free decimal place value quiz – free and easy to use runs entirely in your browser. Nothing you type is sent to a server, and nothing is stored online. You open the page, use the controls, and the result appears at once. You can try again as often as you like, which makes it easy to practise a little every day. Short daily practice beats one long session, because it builds recall without tiredness. The tool is free, needs no account, and works on a phone, tablet, or computer, so you can use it at home, in class, or on the move.
How to use it
Start by reading the question or the numbers shown in the tool. Choose any settings first, such as level or step size, if the tool offers them. Then work out your answer on paper or in your head before you type it in, because guessing from the feedback teaches less than thinking first. Press the button and read the feedback at once. If you get one wrong, read the correct answer, work out where your thinking differed, and try a similar problem straight away.
Reading your result
The feedback tells you whether your answer is right, and the score keeps a running total of correct answers. A rising score over days matters more than any single round, because learning is rarely a straight line. If your score falls on a harder setting, that is useful information, not failure: it shows which level still needs practice. Take a short break when you feel stuck, then return with fresh eyes.
Worked example
Look at 34.567 and find the digit 5. It is the first digit after the decimal point, so its place is tenths. The digit 6 sits next, so it is hundredths, and the 7 is thousandths. On the other side of the point, the 4 is ones and the 3 is tens. The quiz asks questions like this one, and it tells you at once whether your answer is right.
Why this skill matters
Place value is the base for almost all decimal work. Without it, adding, comparing, and rounding decimals all feel like guessing. Learners who can name each place can explain why 0.5 is bigger than 0.45, and why lining up decimal points matters when adding. That understanding lasts far longer than any memorised rule, and it supports fraction work too.
Practice tips
Read every number out loud in full, for example thirty-four point five six seven, then name each place from left to right. Make a small place chart on paper and keep it beside you for the first rounds. Cover the answer choices, say your answer first, and only then check. Guessing from the choices teaches less than answering from your own head.
Common questions
Is this tool really free? Yes. It runs in your browser, needs no account, and has no sign-up step. You can use it as often as you like, at home or in class.
Who is it made for? Learners practising this skill, parents helping with homework, and teachers looking for a quick classroom activity. The instant feedback suits independent practice as well as guided lessons.
How much practice is enough? A few minutes a day is plenty. Short regular sessions build recall better than rare long ones, and the score helps you see progress over time. Stop while it is still enjoyable, and come back tomorrow.
Spanish version: Quiz de Valor Posicional de Decimales – Para Ninos y Profesores