College Board
2018 AP® Environmental Science Free-Response Questions
Less than nine percent of all AP Environmental Science test takers scored a perfect five on the exam in 2018. Learn from the best answers as well as the common mistakes thanks to the College Board. Four questions from the test covering...
College Board
2010 AP® Calculus BC Free-Response Questions
What do a zoo, snow, and a moving particle have in common? The six free-response items from the 2010 AP® Calculus BC exam allow teachers and pupils see how items may show up in context. Three of the questions are from only the BC portion...
We are Teachers
Phrases to Outlaw in Students' Writing
If your writing classroom was the Wild West, what phrases would be "outlawed"? Here is one poster that every writing instructor, and really, any teacher of communication, should have in their classroom!
Curated OER
SAT Identification of Sentence Errors Practice Test 06
In this identification of sentence errors worksheet, students choose the form of the sentence that is grammatically correct. Students have 10 minutes to complete 15 questions in this SAT practice worksheet.
Curated OER
15 Common Grammar Mistakes in Written and Oral Work
In this grammar worksheet, students will read 5 of the 15 most common grammatical errors in written and oral work. There are 2 examples of each mistake and 2 examples of the corrected mistake.
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
Knowing Write from Wrong
Explore how the informality of electronic correspondence has affected communications in the workplace. Writers develop pages for a basic writing guide that contains rules and examples to help correct common writing errors. A great way to...
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
Verb Forms
Targeting some commonly misused verbs, this worksheet could help students avoid language-related errors. While just a short review of verbs, it could be a way to introduce the importance of proper word usage.
Curated OER
Understanding Stereotypes
Pupils confront age-related stereotypes, explore how stereotyping impacts their lives, and discuss how they can make changes to reduce over-generalizations, unfair assumptions, and critical judgments about people groups. They use a...
Curated OER
What's wrong with "could of," "should of," "would of?"
A common mistake in writing is using the words, "could of" instead of "could have." Additionally, many young writers make the mistake of following a contraction with the word "of." For example; He wouldn't of waited for you. This...
EngageNY
End of Unit 2 Assessment: Final Draft of Literary Argument Essay
It's a common mistake. Scholars begin with a mini lesson about common errors in draft essays. They then complete a stars and steps peer critique of essay drafts. To finish, learners revise their essays and finalize their drafts.
Curated OER
Spanglish Exercise
Are your native-Spanish English language learners speaking Spanglish? Correct some common errors with this worksheet. First, match up the Spanglish phrases with their correct English translations. Then, have your learners fill in the...
Curated OER
Generating Topic Sentences
A great look at topic sentences is presented here. First, the function of a topic sentence is explained and common errors are listed. Then, you will walk your class through the five example topic sentences to discuss their quality.
Millard South Patriots
Trait Practice: Sentence Fluency
Do your young writers need a little help varying their sentence structure? Have them work on common errors, sentence fluency, and writing patterns with a series of language arts activities. The resource includes reading passages as well...
Flipping Physics
AP Physics 1: Kinematics Review
Test takers stressing out over the upcoming exam? Help them prepare for the AP Physics i exam with this fast-paced video that includes a complete guide to everything related to kinematics. Also included are some common errors and...
EngageNY
End of Unit 2 Assessment, Part 2: Revise Essay Drafts
One last chance to fix it. Writers work through a mini-lesson plan covering common errors found within their essays. They then receive their drafts with instructor feedback and adjust their essays one last time before handing it in for a...
College Board
2006 AP® Computer Science A Free-Response Questions
Inheritance is a programming problem. Released free-response questions allow pupils and teachers to experience the 2006 AP® exam phrases questions. The items range from the application of basic algorithms to using inheritance in a...
Curated OER
Find the Error
In this find the error worksheet, students read and analyze an extract from an article in a magazine and then proof the article for mistakes in apostrophes, articles, punctuation and spelling.
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
Curated OER
Ratio, Rates and Percentages
In this ratio, rates and percentages worksheet, 8th graders solve 22 various types of problems related to ratios, rates and percentages. They first write ratios in lowest terms and describe each of comparison stated. Students also solve...
San José State University
Sentence Fragments
Work on sentence fragments with your class using this handout and brief exercise. This resource, which could be used as a reference sheet for learners, goes into detail about complete sentences and the different errors that cause...
Curated OER
Non-Calculator Maths Pack
In this math skills worksheet, students first read a one page information sheet about common errors in arithmetic calculations. Students then solve 39 multiplication problems with 3 digits. Students solve 29 long division problems with 2...
Curated OER
Adding and Subtracting Fractions with Like Denominators
Students add or subtract fraction parts of mixed numbers before adding or subtracting the whole number parts. For this fractions lesson, students learn to use a ruler to help them add and subtract fractions with like denominators.
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