What is the free Decimal Calculation Quiz?
The Decimal Calculation Quiz is a free web app for practicing decimal arithmetic in a 4-choice quiz format.
It includes decimal addition, subtraction, multiplication, division, decimal point movement, decimal-fraction pairs, mixed calculations, and original word problems.
Original practice questions
The questions, answer choices, explanations, sentences, and diagrams in this app are independently created for this site.
This app is not an official site of any ministry, education board, school, publisher, cram school, tutoring company, or educational material company.
Course lineup
- 10-question decimal basics mix
- 20-question decimal addition
- 20-question decimal subtraction
- 20-question decimal multiplication
- 20-question decimal division
- 20-question place value and decimal point movement
- 20-question decimals and fractions
- 30-question mixed decimal arithmetic
- 50-question word problems and practical use
- 100-question decimal calculation master
Hints and review records
Hints change according to the current problem, showing ideas such as aligning decimal points, counting decimal places, moving decimal points, making a divisor whole, and checking answers by multiplication.
My Page stores challenge history, best records, and often missed problems for repeated review.
Practice common decimal mistakes
Students can review where the decimal point should go, how to add zeros to match places, how to count decimal places in multiplication, and how to move both decimal points in division.
The quiz also includes powers of 10, decimal-fraction pairs, mixed arithmetic order, and short practical word problems involving length, weight, and capacity.
Useful for home study and class warm-ups
The 10-question course works well for a quick warm-up, while topic courses help students focus on addition, subtraction, multiplication, division, or place value.
Longer courses can be used for review before tests or for students who want repeated practice with instant feedback.
Original content and unofficial site notice
This site is not an official site of any ministry, education board, school, publisher, cram school, tutoring company, or educational material company.
The questions, answer choices, explanations, sentences, and diagrams are independently created for this site and are not copied from textbooks, workbooks, entrance exams, mock exams, or certification tests.
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