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Add & Subtract Numbers in Scientific Notation

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Videos, worksheets, stories and songs to help Grade 7 students learn about operations on numbers in Scientific Notation.

In this lesson, we will learn how to add and subtract numbers, written in scientific notation, without using a calculator.

The following example shows how to add numbers in scientific notation. Scroll down the page for more examples and solutions.

Add and Subtract Scientific Notation

Scientific Notation: Addition and Subtraction
Explains how to add and subtract numbers written in scientific notation, whether or not they have the same exponent.



Adding and Subtracting Numbers in Scientific Notation
When adding and subtracting numbers in scientific notation, you have to make sure the exponents are the same. Why? This video explains. Scientific Notation Adding and Subtracting
How to add and subtract in Scientific Notation Adding / Subtracting With Scientific Notation
Adding /subtracting numbers written with scientific notation.

Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

Fraction Concoction Game


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