Curated OER
Using Picture Cues to Read Unknown Words
Help readers identify new words. Learners will use illustrations in the story From Head to Toe by Eric Carle to help them with unknown words. As they read new vocabulary words, they will use pictures on the imbedded worksheet to discover...
Curated OER
Using Initial Sounds and Picture Clues to Read Unknown Words
Kindergarteners read the bold words that are unknown by using the strategies of initial sound and picture clues. They meet individually with their teacher in order to assess this concept. Excellent resource!
American Chemical Society
Using Chemical Change to Identify an Unknown
If you discover an unknown powder, how do you determine if it is safe? Lesson uses four different tests to identify the properties of various powders that appear the same. Then scholars get an unknown powder and have to determine which...
American Chemical Society
Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
American Chemical Society
Using Chemical Change to Identify an Unknown
If you have taught the first lesson in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to five known and...
Curated OER
Subtraction and Unknown Addends (to 20) - Matching Worksheet
Piggies, puppies, dragons and other fantastical illustrations enable first graders to find the missing addends in a series of subtraction problems. After determining the unknown addend, pupils match the equations to the appropriate...
Curated OER
Solving for an Unknown
In this solving for the unknown worksheet, learners solve and complete 18 different problems that include algebraic expressions. First, they study each pattern in the equations shown. Then, students solve each equation for the variable...
Curated OER
Subtraction and Unknown Addends (to 20)
How many more gallons of fuel does Mr. George need to fill his car to capacity? This word problem uses the unknown addend strategy to get scholars subtracting and thinking about the relationship between mathematical operations. There is...
Curated OER
Unknown Soldier Diorama
Students research history of honoring unknown soldiers in United States, Canada, France, and Australia, research origins and building of tombs for unknown soldiers in country of their choice, and create diorama depicting national...
Curated OER
Lesson: Painting The Unknown
Finally an art lesson that incorporates the act of creating art. After analyzing the abstract emotionally driven piece, Blue Mysteries Near the Sun, No. 4, learners discuss feelings related to an anticipated event or to the unknown. They...
Curated OER
Reading Strategies for Decoding Tricky Words
Help primary school pupils learn valuable reading strategies. As they choral read a poster or big book, they predict covered words and learn various reading strategies for figuring out an unknown word. This will help them gain an...
DocsTeach
Tomb of the Unknown Soldier Resolution Analysis
An eye-opening activity honors those soldiers that have fallen in battle but remain nameless. Scholars analyze the Unknown Solider Resolution created after World War I to honor those who died. Academics participate in group discussion to...
EngageNY
Solve for Unknown Angles—Angles and Lines at a Point
How do you solve for an unknown angle? In this sixth installment of a 36-part series, young mathematicians use concepts learned in middle school geometry to set up and solve linear equations to find angle measures.
Illustrative Mathematics
Finding an Unknown Angle
Teach your class how to apply their knowledge of geometry as they explore the unknown. In order to find an unknown angle, students must understand that rectangles have four interior right angles, that right angles have 90 degrees, and...
EngageNY
Solve for Unknown Angles—Transversals
Lead your class on an exciting journey through the world of math as they review geometry facts and solve for unknown angles. They learn how to use auxiliary lines and congruent angles to correctly complete each practice problem...
EngageNY
Unknown Angle Proofs—Proofs with Constructions
Provide your emerging mathematicians with the tools to learn as they incorporate auxiliary lines to solve unknown angle proofs in this continuing segment. They decipher information from a diagram to uncover the missing pieces and...
EngageNY
Unknown Angle Problems with Inscribed Angles in Circles
We know theorems about circles—now what? Class members prove a theorem, with half the class taking the case where a point is inside the circle and half the class taking the case where a point is outside the circle. The lesson then...
EngageNY
Unknown Angle Proofs—Proofs of Known Facts
Lead the class in a Greek history lesson with a geometric twist. Pupils relate a short video about geometric properties to modern-day methods of solving for unknown angles. They discuss parallel line theorems and complete practice...
EngageNY
Unknown Angles
How do you solve an equation like trigonometry? Learners apply their understanding of trigonometric ratios to find unknown angles in right triangles. They learn the meaning of arcsine, arccosine, and arctangent. Problems include basic...
Chemistry Collective
Virtual Lab: Unknown Acid and Base Problem
Looking for an easy way to give your class experience with acid-base chemistry outside the lab? Try a detailed interactive that puts them in total control! Young chemists determine the dissociation constant and concentration of an...
Pingry School
Determination of the Molar Mass of an Unknown Acid
Acids and bases have a love-hate relationship. They balance each other so nicely, but they are complete opposites! Learners use these concepts and titration to calculate the molar mass of an unknown substance. The experiment document...
Chemistry Collective
Virtual Lab: Unknown Silver Chloride
You'll need to concentrate on the concentration lab to get it done. Given a virtual beaker with a silver chloride solution of unknown concentration, scholars find the silver ion concentration in the solution. Of course, they must show...
Curated OER
Butterfly, Butterfly: Teaching Vocabulary
Kindergarteners practice new words through listening to and reading the science book Butterfly by Jenny Feely. The teacher will first choose words that are essential for understanding the text. Then, using pictures in the text, pupils...
Curated OER
Visual and Meaning Cues
Learn how to apply visual and meaning cues to reading unknown words. Readers will explore what to do when they come to a word they do not know as they watch the teacher model the use of these cues and then participate in guided and...
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