72,000,000
Show answer
7.2 × 10⁷
Free printable worksheet
Scientific Notation Worksheet
Twenty conversions between standard form and scientific notation.
Middle School MathGrades 7-83 pagesAnswer key included
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What this worksheet includes
- Twenty conversions between standard form and scientific notation.
- 3-page printable PDF with a complete answer key
- Designed for Grades 7-8 middle school math practice
- Available as an immediate free download with no email required
How to use it
Use this scientific notation worksheet for guided practice, independent review, homework, tutoring sessions, or a quick skills check. The spacious layout is designed to leave room for students to show their work rather than guess from crowded answer choices.
After students finish, compare their reasoning with the included answer key. When an answer is incorrect, have the student locate the first step where their work changed direction before trying the problem again.
Who this practice is for
This resource is designed for grades 7-8 students working on middle school math. Teachers, tutors, homeschool families, and parents can preview the first page before deciding whether the level and spacing fit the student.
Looking for a broader sequence? Browse all Middle School Math worksheets.
Topic guide
How to approach scientific notation
Scientific notation writes a nonzero number as a × 10ⁿ where 1 ≤ |a| < 10. The exponent records how many places the decimal point moves.
Positive exponents represent numbers greater than or equal to 10; negative exponents represent numbers between 0 and 1. Preserve significant digits while moving the decimal.
Learning objectives
- Convert between standard and scientific notation
- Interpret positive and negative powers of ten
- Compute with scientific notation
Skills to review first
- Decimal place value
- Integer exponents
- Multiplying by powers of ten
Worked example
Follow the reasoning step by step
Write 0.00045 in scientific notation.
- Move the decimal to make 4.5.
- Count four places moved to the right.
- Use exponent −4 because the original number is less than 1.
- Check 4.5 × 0.0001.
Solution: 4.5 × 10⁻⁴.
Try before downloading
Three sample problems
Work each problem, then open the answer to check your result.
6.03 × 10⁵
Show answer
603,000
(2 × 10³)(4 × 10²)
Show answer
8 × 10⁵
Error check
Common mistakes to watch for
- Leaving a coefficient outside 1 through 10
- Using a positive exponent for a small decimal
- Counting decimal moves in the wrong direction