CK-12 Foundation
Absolute Value Inequalities: The Nuts and Bolts of Allowable Error
Explore the nuts and bolts of absolute value inequalities using nuts and bolts. Pupils use an interactive to see how the minimum and maximum radii of a nut-and-bolt combination change based on the target radius and the allowable error....
Curated OER
Examining Paragraphs for Errors: Spelling
Learners review a job advertisement to find the error and then select which kind of mistake it is from a multiple choice list. To extend, have them correct the error. Note: It is a spelling mistake. Advertisement is written in British...
Curated OER
Are Our Chemical Measurements Accurate or Precise?
What is the difference between accuracy and precision? This worksheet has students define the terms accuracy and precision, and compare bulleye diagrams to find examples of both. Students analyze given data and determine the accuracy and...
Curated OER
Unit 0 Review - Measurement Lab Equipment
Review questions like these can be used in your biology, chemistry, physics, or earth science classes! They assess scientists' understanding of laboratory measurement tools including graduated cylinders, thermometers, and balances. They...
British Council
Unit 8: Proofreading
Plagued by punctuation or stymied by spelling? Lesson eight in a nine-part series of career education and skills activities introduces the importance of proofreading. Learners categorize common writing errors and construct error-free...
Math Worksheets Land
Percent Error and Percent Increase - Matching Worksheet
Calculating percent change is a handy tool to understand sales, discounts, and other numerical changes we come across. Here, worksheet practices percent change and percent error with a variety of problems to let your learners see how it...
Math Worksheets Land
Percent Error and Percent Increase - Independent Practice Worksheet
Give your learners a small taste of the business world by calculating percent error and percent increase. The resource provides several practice problems to give your mathematicians practice setting up the ratio to convert to percents....
Student Handouts
Social Media Madness
Tired of seeing u instead of you and 2 instead of too? Teach your pupils how to write for an academic setting by asking them to correct these six social media posts that are full of grammatical errors, spelling errors, and text speak.
Illustrative Mathematics
Paper Clip
With minimal setup and maximum freedom, young geometers are encouraged to think outside the box on a seemingly simple application problem. Though the task seems simple, measuring a given paper clip and finding how many 10 meters can...
Illustrative Mathematics
How Thick Is a Soda Can II?
Science, technology, and math come together in this one combination exercise. Analyzing the common soda can from both a purely mathematical perspective and a scientific angle allows for a surprisingly sophisticated comparison of...
American Psychological Association
Do Cookies/Donuts Improve Memory? Errors in Methodology
If the methodology is skewed, the results will be skewed. That's the takeaway from an exercise designed to get class members thinking about research methods and statistics gathering. Instructors manipulate the testing environment to...
Curated OER
SAT Identification of Sentence Errors Practice Test 05
In this identification of sentence errors worksheet, students identify an grammatical errors in each sentence. Students have 10 minutes to complete 15 questions in this SAT practice worksheet.
Curated OER
SAT Identification of Sentence Errors Practice Tests
In this identification of sentence errors worksheet, learners choose the answer that best corrects the grammatical errors in each sentence. Students have 10 minutes to answer 15 questions in this SAT practice worksheet.
Curated OER
SAT Identification of Sentence Errors Practice Test
In this identification of sentence errors worksheet, students choose the answer that corrects the grammatical errors in each sentence. Students have 10 minutes to answer 15 questions in this SAT practice worksheet.
Curated OER
SAT Identifcation of Sentence Errors Practice Test
In this identification of sentence errors worksheet, students choose the answer that best corrects the errors in each sentence. Students have 10 minutes to complete 15 questions in this SAT practice worksheet.
Curated OER
SAT Identification of Sentence Errors Practice Test 06
In this identification of sentence errors instructional activity, students choose the form of the sentence that is grammatically correct. Students have 10 minutes to complete 15 questions in this SAT practice instructional activity.
Curated OER
SAT Identification of Sentence Errors Practice Test
In this SAT prep test instructional activity, students read the example sentences presented in an SAT prep format. Students select the answer that identifies the sentence error to complete the 15 online exercises.
Curated OER
Measuring the Area of a Circle
When mathematical errors happen, part of the learning is to figure out how it affects the rest of your calculations. The activity has your mathematicians solving for the area of a circular pipe and taking into consideration any errors...
Curated OER
Research Ethics
Young scientists discuss the results of carelessness during experimentation and the temptation to misrepresent findings. These activities are intended to develop the ability to identify scientific error, misconduct, and fraud. Use this...
Curated OER
Quiz: Error in Measurement
In this error in measurement quiz, students read given problems and determine the percent of error, find the absolute error, the relative error, and identify the limits. This one-page worksheet contains ten problems.
Curated OER
Quiz: Error in Measurement
In this measurement instructional activity, students are presented with the measurements of two items. They compute the upper and lower limits of the range of tolerance for the measurements. Students find the absolute error and percent...
Curated OER
Usage Errors
Look at the most commonly confused words in the English language! This resource briefly explains the difference between there, they're, and their as well as too, to, and two, and finally it's and its. First, read the section entitled...
Curated OER
Manners: Common Errors
In this common errors activity, students complete the quiz by reading each sentences and correcting the common error for the 15 examples.
Curated OER
Common Errors: Life's Minor Irritations
In this common errors worksheet, students fix the sentences with common spelling, grammar, or language errors in them. Students complete 15 sentences.
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