
Add and subtract numbers written in scientific notation
Free printable Algebra 1 math worksheet for "Add and subtract numbers written in scientific notation" — practice scientific notation. No-prep, print or assign online.
This worksheet provides challenging practice for high school students to add and subtract numbers written in scientific notation. Teachers can use it to reinforce understanding of exponent rules and improve students’ precision in handling scientific notation operations. Ideal for Algebra 1 classes focusing on scientific notation skills and real-world applications.
Learning objectives
- Add numbers expressed in scientific notation with different exponents accurately.
- Subtract numbers written in scientific notation by aligning powers of ten correctly.
- Simplify results and express answers in proper scientific notation form.
Answer Key

How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
- Print at home or in class for High School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Add and subtract numbers written in scientific notation” worksheet free?
Yes. “Add and subtract numbers written in scientific notation” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 25 downloads a month.
What grade or age is this Math worksheet for?
It's designed for High School (ages 14–18), covering Scientific notation.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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