Pingry School
An Introduction to Qualitative Analysis
Compounds take on different properties than their elemental components. How can scientists determine those elements? A lab-based activity has learners explore several double replacement reactions to analyze compounds qualitatively. They...
Curated OER
Extracting DNA from Your Cells
Three steps are needed to extract DNA from learners' inner cheek cells. The procedure and reasons for each step are explained. As enzymes work on the cells, a series of questions are answered regarding the structure of the DNA molecule....
National Research Center for Career and Technical Education
Depreciation (Double Declining)
Have you ever been told that your new car begins to lose its value as soon as you drive it off the lot? Aspiring accountants take on the concepts of depreciation and book value through an easy-to-deliver career and technology lesson...
Meadows Center for Preventing Educational Risk, University of Texas at Austin
Lesson 16 - Adding Vowel Suffixes to CVC and Silent E Base Words
There's a big difference between hoping and hopping. A lesson on adding vowel suffixes discusses when to double a consonant before adding a suffix such as -ed or -ing. Readers practice breaking down words into syllables and creating new...
EngageNY
A Rainforest Folktale: Determining the Message of “The Wings of the Butterfly,” a Tukuna People Tale
Did you the message? Scholars listen to a read aloud of The Wings of the Butterfly to summarize and determine the message of the text. They discuss the folktale and vocabulary in groups, then use a double bubble map to compare the story...
T. Smith Publishing
Vowel and Consonant Mail
Clarify the difference between a consonant and a vowel with an activity inspired by mail. Learners help out a confused mail carrier by categorizing and alphabetizing words by writing them on the corresponding mailboxes. One mailbox is...
Curated OER
Alkanes and Alkenes
In this alkanes activity, students use a data table to plot a graph of boiling point against number of carbon atoms. Students define cracking and double bond. This activity has 5 short answer questions.
Curated OER
Addition-Doubles
In this addition worksheet, students complete a set of 25 problems, adding numbers to themselves. All problems are 1-digit, a reference website is included.
Curated OER
Double Trouble Addition
In this adding doubles worksheet, students enhance their addition skills by adding the doubles. Students complete 12 sets of doubles addition problems.
Curated OER
Introduce Double-Letter Words
First graders explore the concept of double letter words. In this word recognition lesson, 1st graders discuss the concept and play a game that requires them to form double letter words.
Curated OER
Double-Crusted Pie Lab
Pupils individually practice the techniques and skills learned in preparing a double crusted pie using fresh, canned or frozen fruit that needs to be thickened with tapioca, flour or cornstarch.
Curated OER
Double Sixes
In this algebra learning exercise, students are given the challenge of determining how many times they would have to throw the dice to 'up' their chances of throwing double sixes. The problem is solved and fully worked however, it would...
Curated OER
Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume
Students explore perimeter, volume, and area. For this math lesson, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Students investigate the results when the...
Curated OER
Adding Doubles Plus One (B)
In this addition worksheet, students find the sums of single digit doubles plus one. Students solve 21 problems associated with adding doubles.
Curated OER
Thanksgiving Doubles
For this Thanksgiving themed doubles worksheet, students calculate the answers to four Thanksgiving double equations.
Curated OER
Christmas Doubles Addition
In this Christmas addition worksheet, students use models to identify the sum. Pictures of numbers include reindeer, candy canes, stockings, and angels. All addition problems are doubles ranging from doubling one to doubling five. An...
Curated OER
Double Bar Graphs
In this double bar graphs practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Double Deckers- Addition and Subtraction Practice
In this addition and subtraction activity, students complete number sentences using the given digits. They write an addition problem on top of a subtraction problem by filling in the blanks that are shown in pictures of double decker buses.
Fuel the Brain
Doubles
Word problems can confuse your young learner, especially when the problem asks for "double that number." Using simple addition, your learner will learn how to find the solution to a problem that requires them to take the information from...
Curated OER
Double Exposed Photographs
Students create double-exposed photographs, poetry, and multimedia presentations. In this artwork lesson plan, students explore cameras, poems, and other art forms to understand line, light, and other attributes that contribute to artwork.
Curated OER
Double Bar Graph Grid
In this math worksheet, students use this blank double bar graph grid as a tool for any graphing problem. There is a space for the title, labels for each axis and a spot for the key.
Curated OER
Addition, Single Digit Doubles - #1
In this single digit addition practice worksheet, students solve 30 problems that require them to double single digit numbers.
Curated OER
Math – Addition :3 Addends of 1-Digit with Doubles
In this addition practice worksheet, students solve 12 problems that require them to add 1-digit numbers with 3 addends. Two addends in each of the problems are doubles.
Curated OER
Double Arrow Roads
In this mixed math operations worksheet, learners complete two double arrow roads math puzzles. In each colored box, students put a different math operation. Learners pick a starting number and go through the puzzle, following the arrows...
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