CLASS 9 MATHEMATICS • FREE ONLINE PRACTICE
Exponents / Indices Online Practice Worksheet
Build confidence with powers, laws of exponents, negative and zero exponents, standard form and calculation questions. Create a fresh worksheet whenever you practise.
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📚 Exponents and Indices Class 9 Worksheet – Complete Practice Guide
Exponents and indices are a compact way of writing repeated multiplication. This Class 9 online worksheet is designed to help students practise the language of powers while developing accuracy, speed and confidence. It combines direct calculations with reasoning questions so that learners can move from basic skills to more challenging applications. Teachers can also use the generator for classroom warm-ups, homework, revision or quick assessments.
What is an exponent?
In an expression such as an, a is the base and n is the exponent (or index). The exponent tells us how many times the base is used as a factor. Thus, 34 means 3 × 3 × 3 × 3 = 81. The base and exponent must be read carefully because changing either one changes the value.
Important Laws of Exponents
am × an = am+n
am ÷ an = am−n, a ≠ 0
(am)n = amn
(ab)m = ambm
(a/b)m = am/bm, b ≠ 0
a0 = 1, a ≠ 0
a−m = 1/am, a ≠ 0
N × 10n, where 1 ≤ N < 10
How to use this worksheet
Select the number of questions, difficulty and question type, then press Start New Test. Every question has an answer box and a Check Answer button. A correct response turns green and a wrong response turns red. The answer is deliberately hidden until the question has been checked, helping students attempt the problem independently. The progress bar records checked questions and the final score is calculated after all questions are checked or when the timer expires.
Tips for solving exponent questions
First identify the base and exponent. If bases are the same and you are multiplying, add exponents. If you are dividing, subtract exponents. When a power is raised to another power, multiply the exponents. For a zero exponent, remember the value is 1 when the base is non-zero. A negative exponent does not make the value negative; it indicates a reciprocal. For example, 2−3 = 1/23 = 1/8. When comparing powers, look for a common base or calculate manageable values rather than guessing.
Why online practice helps
Repeated practice is particularly useful in mathematics because accuracy improves when students receive immediate feedback. This worksheet provides instant checking, visual feedback, optional sound, progress tracking and a timer. Shuffling creates a new order and new generated questions, reducing memorisation and encouraging genuine understanding. The large question limit makes the tool suitable for extended practice, while the mobile-first interface works on phones, tablets and computers.
Worksheet topics covered
The question bank covers evaluating powers, multiplication and division laws, simplifying expressions, zero and negative exponents, comparing powers, standard form/scientific notation and finding missing exponents. These areas reinforce core Class 9 skills and provide a useful bridge to later algebra and scientific calculations.
Frequently Asked Questions
Can I create 1,000 questions? Yes. The worksheet generator accepts up to 1,000 questions in one test.
Can I shuffle the whole worksheet? Yes. Shuffle generates a fresh order and new question set rather than merely rearranging the same visible questions.
Can students see answers immediately? No. The answer is revealed only after the student checks the question.
Can I save the worksheet as PDF? Use the Download / Print PDF button and choose “Save as PDF” in the browser print dialog.