WorksheetsPower of 10 Exponents
Total questions: 20
Answer Key
Created by Barbara White
20 questions
5th - 8th Grade
Math
Power of 10 Exponents is a free printable mathematics worksheet for students in Grades 5–8. It contains 20 multiple-choice questions that build fluency with writing powers of 10 in exponential and standard form, evaluating expressions such as 10² and 10³, identifying the exponent from the number of zeros, and recognizing that 10⁰ equals 1. Students also apply these relationships in brief real-world problems involving money and quantities, including converting powers of 10 before comparing or subtracting values. The varied questions help learners connect repeated multiplication, exponential notation, place value, and expanded numerical representations. The worksheet includes a complete answer key, making it useful for guided practice, independent review, homework, or a quick formative check.
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Answer KeyThis Grade 5–8 mathematics worksheet uses 20 multiple-choice questions to practise converting between powers of 10 and standard numbers, evaluating expressions such as 10², 10³, and 10⁵, and identifying how the exponent relates to the number of zeros. Students also apply the skill in short money and quantity problems, including subtracting values written as powers of 10.
Begin by modeling 10 × 10 × 10 as 10³ and connect the exponent to the number of zeros in 1,000. Then work through a few conversion items and discuss why 10⁰ equals 1 before students complete the multiple-choice questions independently. Use the money and rings scenarios to have students convert the powers to standard form before calculating.
Students may confuse the exponent with the value of the power, such as choosing 10 instead of 1,000 for 10³, or count the exponent itself rather than the zeros in the standard number. Watch for errors when converting 1,000 or 100,000 into exponential form, treating repeated addition as an equivalent representation of a power, and overlooking that 10⁰ equals 1. In the subtraction scenario, students may subtract exponents instead of first evaluating the quantities.
The worksheet is available as a printable PDF and as a digital quiz on Wayground, and it includes a complete answer key for the 20 multiple-choice questions. Printable submissions can be graded by scanning student work with the Wayground for Teachers app, while the digital version can be assigned for online completion and grading.
In the worksheet’s Advanced Settings, adjust font spacing or choose a larger font size to make the exponent notation and multiple-choice options easier to read. You can also apply a dyslexia-friendly font or translate the worksheet into another language while keeping the powers-of-10 questions and answer choices intact.
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