Curated OER
Rounding and Significant Digits
Practice rounding numbers to a certain decimal by solving in-class problems. Learners will solve several multiplication, division, addition, and subtraction problems while rounding to a specific decimal. They will also check their work...
Curated OER
Chemistry: Significant Digits
In this significant digits instructional activity, students review the rules of working with significant digits and then give the number of significant digits in the given measurements. This instructional activity has 30 problems to solve.
Curated OER
Organizing Data
In this data worksheet, students convert measurements to significant notation and determine the number of significant digits. This worksheet has 4 fill in the blank and 2 short answer questions.
Curated OER
Unit 2 Quantities Review
In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Curated OER
Significant Digits
In this significant digits worksheet, students are given the rules for determining the number of significant digits in calculations and measurements and they solve 5 problems.
Curated OER
Calculating with Significant Digits
In this significant digits worksheet, students are given the rules to finding significant digits when adding, subtracting, multiplying and dividing. Students solve ten problems and express their answers with the proper number of...
Curated OER
Scientific Notation and Significant Digits
In this scientific notation worksheet, students practice expressing numbers in scientific notation and stating the number of significant digits. This worksheet has 2 fill in the blank and 8 problems to solve.
Curated OER
Counting Significant Digits
In this significant digits worksheet, students are given twelve measurements and they determine the total number of significant digits in each given number.
Curated OER
Honors Chemistry I
In this honor chemistry I worksheet, students use all available resources to answer each question given. Students apply their knowledge of light, quantum theory of light, Bohr's model, photoelectric theory.
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
CK-12 Foundation
Ck 12: Measurement and Recording Data
[Free Registration/Login may be required to access all resource tools.] In this tutorial, students will learn about measurement, significant digits, and their use in scientific notation.
Other
Chemistry Land: Significant Figures and Fuzzy Numbers
Course website, developed by a community college instructor, uses riddles, real-world examples, colorful pictures, and explanatory text to introduce learners to the concept of significant figures in science. With a selection of...
Other
Easyphysics: Chapter 1 Basic Skills
The resource examines the basic math skills needed for studying physics. Some topics include units, scientific notation, significant digits, and trigonometry. Example problems, graphs, and a chapter quiz are included.
Math Is Fun
Math Is Fun: Approximate Solutions
Sometimes it is difficult to solve an equation exactly. But an approximate answer may be good enough!
CK-12 Foundation
Ck 12: Physical Science: Significant Figures
[Free Registration/Login may be required to access all resource tools.] Determining significant figures and rounding.
Frostburg State University
General Chemistry Online: Rules for Significant Digits
This site from General Chemistry Online provides a mnemonic device you may not have seen to help remember the rules for significant digits called the Atlantic-Pacific Method. Also includes a comparison between this rule and the...
BBC
Bb Ci: Review Significant Digits
BBCi presents a test prep review ("revision") section on significant digits and on approximating an answer by rounding in order to work with an easy number. Click on "Test Bite," on the last page to get an interactive quiz.
Purple Math
Purplemath: Rounding and Significant Digits
Explains how to round to a given number of "significant digits".
Wolfram Research
Wolfram Math World: Significant Digits
This site defines and describes significant digits along with examples. Includes references, citations, and links to further information.
Sophia Learning
Sophia: Significant Figures: Lesson 3
This lesson will explain what significant figures are and why they are important. It is 3 of 5 in the series titled "Significant Figures."
Sophia Learning
Sophia: Significant Figures: Lesson 5
This lesson will introduce significant figures and explain why they are important when doing calculations. It is 5 of 5 in the series titled "Significant Figures."
Sophia Learning
Sophia: Significant Figures and Scientific Notation: Lesson 2
This lesson will demonstrate how to use scientific notation to express the desired number of significant figures. It is 2 of 5 in the series titled "Significant Figures and Scientific Notation."
Sophia Learning
Sophia: Subtracting W/ Significant Figures: Lesson 2
This lesson should help a learner understand how to determine the appropriate amount of significant figures when subtracting numbers. It is 2 of 4 in the series titled "Subtracting w/ Significant Figures."
Sophia Learning
Sophia: Subtracting W/ Significant Figures: Lesson 4
This lesson should help a learner understand how to determine the appropriate amount of significant figures when subtracting numbers. It is 4 of 4 in the series titled "Subtracting w/ Significant Figures."