Curated OER
Why Does ASA Work?
Your geometry learners explore Angle-Side-Angle congruence in this collaborative task. The sum of the interior angles of all triangles being one hundred eighty degrees, is the key learners will discover as they explain their reasoning...
Willow Tree
Ratios and Proportions with Congruent and Similar Polygons
Investigate how similar and congruent figures compare. Learners understand congruent figures have congruent sides and angles, but similar figures only have congruent angles — their sides are proportional. After learning the...
Utah Education Network (UEN)
Patterns and Shapes In Our Community
Shapes in art, shapes in stories, shapes in the environment, shapes all around. A multi-part lesson that includes looking at the artist Paul Klee's work, reading books about shapes, taking a walk in the neighborhood and identifying...
Curated OER
Chances Are......You're Right
Young mathematicians study probability. In this math lesson, learners calculate odds, and convert those into percentages of probability. Fractions are also used, making this lesson quite rich in some of the more difficult conversions...
Curated OER
End-of-the-Year Celebration Program
Students sing songs, recite a poem, share what they can now do that they couldn't before and explain how they see their accomplishments. They read "Leo The Late Bloomer" and create graduation hats.
Curated OER
Parts of Speech Slide Show
Review the parts of speech. English Langugae Learners use KidPix to create a paint picture for nouns, verbs, and adjectives. They use the KidPix slideshow tool to construct a slideshow of their work.
Curated OER
Idiom Quizzes - Education & School
After reading many of the examples given on this interactive web page, students read a sentence with a phrase in parenthesis and choose an idiom about education and school to replace it. Students choose 12 multiple choice answers.
Curated OER
Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
Curated OER
Geometric Properties
Students find triangular angles using the angle theorem. In this geometry lesson, students describe labeled triangles, use the pythagorean theorem, and rewrite information about triangles in standard form.
Curated OER
Introduce Reading Connected Text
Get your scholars ready to read their first story...with a little assistance, of course. Projecting the short story (included) for all readers to see, point to each word so they can sound it out together. The strategy here is not to have...
Curated OER
Reading Connected Text Accuracy (Passage)
Use some of these 80-word passages to practice reading fluency with your beginners. Project the text so all learners can see it, pointing to each word as scholars recite them one at a time. Warn readers of irregularly spelled words by...
Curated OER
Introduce Word-Form Recognition
Sound out sight words using these word cards and word-form recognition strategies. As you point to each word, scholars sound out the letters silently instead of segmenting the sounds aloud. Show them how you do this by mouthing the...
Curated OER
Word-Form Recognition Accuracy
What word is it? Build fluency with sight words using this sounding out strategy which enforces silent reading techniques. There are more than enough words included here on index card templates, but you can use this idea with any set...
Curated OER
First Aid
First aid is a skill anyone can and should learn. Give kids a good set of life skills such as tending to small wounds, bleeding, sprains, or insect stings. Slides provide text to reinforce each major first aid skill. Tip: You need a...
Illustrative Mathematics
Same Base and Height, Variation 2
This is a good model for learners to visualize triangles of the same base and height. They can can begin to comprehend that these triangles will have the same area no matter how the triangle is drawn. It is part of a series of resources...
Curated OER
Triangle Congruence with Coordinate
Two triangles are displayed on a coordinate plane. Youngsters apply a reflection and a translation to demonstrate their congruence. This exercise makes a terrific tool for teaching these concepts, or a way to assess learning.
Curated OER
Reflecting Reflections
A triangle rests in quadrant two, from which your class members must draw reflections, both over x=2 and x=-2. This focused exercise strengthens students' skills when it comes to reflection on the coordinate plane.
Curated OER
Reflections and Equilateral Triangles
Your learners collaboratively find the lines of symmetry in an equilateral triangle using rigid transformations and symmetry. Through congruence proofs they show that they understand congruence in terms of rigid motions as they...
Curated OER
When Does SSA Work to Determine Triangle Congruence?
Your learners will make good use of the Socratic method in a collaborative task that begins with an assumed solution and ends with deeper understanding of the idea of determining two triangles congruent.
Curated OER
Why Does SAS Work?
Your geometry learners are guided by questions that help them use the language of reflections to explain the Side-Angle-Side congruence between two triangles in this collaborative task. Given a sample solution, declaring the...
Illustrative Mathematics
Right Triangles Inscribed in Circles II
So many times the characteristics of triangles are presented as a vocabulary-type of lesson, but in this activity they are key to unraveling a proof. A unique attack on proving that an inscribed angle that subtends a diameter must be a...
Illustrative Mathematics
Why Does SSS Work?
While it may seem incredibly obvious to the geometry student that congruent sides make congruent triangles, the proving of this by definition actually takes a bit of work. This exercise steps the class through this kind of proof by...
Illustrative Mathematics
Joining Two Midpoints of Sides of a Triangle
Without ever using the actual term, this exercise has the learner develop the key properties of the midsegment of a triangle. This task leads the class to discover a proof of similar triangles using the properties of parallel...
McGraw Hill
Triangles
After reviewing characteristics of seven types of triangles, young geometers discover how to find the missing angle of a triangle. Then, they practice identifying triangles, find missing angles, and find missing side lengths of...
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