Curated OER
Rounding
In this rounding learning exercise, students solve 9 different problems that include various forms of rounding numbers. First, they round each number to the nearest whole number and then tenth place. Then, students write each number to 2...
Curated OER
Significant Figures and Conversions
In this chemistry worksheet, students identify how many significant figures are in each of the numbers listed. Then they determine the velocity in meters per hour for a subatomic particle. Students also determine how many centimeters are...
Curated OER
Practice on Metric Conversions
In this science worksheet, students use significant figures and illustrate all of their work for each problem. Then they use scientific notation for numbers larger than 10 to the 4th power and smaller than 10 to the negative 4th power.
Curated OER
Significant Figures
In this significant figures worksheet, students indicate the number of significant figures and then round each to the number of significant figures shown. This worksheet has 20 problems to solve.
Simon Fraser University
Chem1 Virtual Textbook: Significant Figures and Rounding Off
As part of a larger site called "Getting started in Chemistry," this site examines significant figures and claims to teach the user "how to avoid telling lies with numbers."
OpenStax
Open Stax: Physics: Accuracy, Precision, and Significant Figures
This interactive site helps students determine the appropriate number of significant figures in both addition and subtraction, as well as multiplication and division calculations. They also calculate the percent uncertainty of a...
Texas Education Agency
Texas Gateway: Mole Conversions
This tutorial reviews over lots of concepts including dimensional analysis, scientific notation, significant figures, and mole conversions.
Texas Education Agency
Texas Gateway: Significant Figures
Given quantitative data, students will express and manipulate quantities using the correct number of significant figures.
Texas Education Agency
Texas Gateway: The Language of Physics: Physical Quantities and Units
By the end of this section, you will be able to associate physical quantities with their International System of Units (SI) and perform conversions among SI units using scientific notation; relate measurement uncertainty to significant...
CK-12 Foundation
Ck 12: Uncertainty in Measurements
[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will learn to distinguish between accuracy and precision in measurements and to also calculate the percent error of a...
CK-12 Foundation
Ck 12: Unit Conversions, Error, and Uncertainty
[Free Registration/Login may be required to access all resource tools.] Students explore a science investigation learning module including conversions, error, and uncertainty in scientific measurement.
California State University
Csudh: Chemistry: Significant Figures
An interactive exercise drill regarding significant figures.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Rounding and Significant Figures: Audio Book
This audio book, narrated by author Mark Bishop, describes how to determine significant figures in chemical calculations. Many examples are given to help figure out how to round the answers. Also find links to tutorials and power points...
University of Colorado
University of Colorado: Problems on Scientific Notation
Scientific notation is reviewed through these problems that include solutions. Concepts covered are converting, division, multiplication, and significant digits.
Texas Instruments
Texas Instruments: Significant Figures/accuracy
This StudyCards stack enables students to review definitions and the rules for rounding numbers and using significant figures.
Texas Instruments
Texas Instruments: Determining the Correct Number of Significant Figures
The students will determine the correct number of significant figures and apply rules for significant figures in calculations.
Texas Instruments
Texas Instruments: Science Tools App
In this activity, you will explore the Science Tools App by using the "Significant Figures" feature and the "Vector Calculator".
Simon Fraser University
Chem1 Virtual Textbook: Getting Started in Chemistry
With the subtitle, "stuff you should know before delving too far into Chemistry," this site examines a range of six topics to provide the user with a broader understanding of chemistry.
Math Is Fun
Math Is Fun: Rounding Numbers
What is rounding, and what does it mean to round up and round down? Learn how to round numbers via simple steps and examples.
Crescent Public Schools
The Internet Science Room: Chemistry Class Introduction
This introduction to chemistry class reviews some major concepts to help prepare students for a high school chemistry course.
Simon Fraser University
Chem1 Virtual Textbook: The Measure of Matter
Find out all about units, measurements, and error when it comes to measuring matter.
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...
University of California
University of Calilfornia: Significant Figures Ii
This site from the University of California provides a lengthy and intelligent discussion of sig figs, absolute and relative precision, accuracy, precision in calculations, rounding off, and the whole shooting match of how we report what...
Sophia Learning
Sophia: Multiplying and Dividing Using Significant Figures: Lesson 1
This lesson will demonstrate how to multiply/divide measurements and report the result to the correct number of significant digits. It is 1 of 3 in the series titled "Multiplying and Dividing Using Significant Figures."