Curated OER
Perpendicular Segments in a Circle
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
EngageNY
Families of Parallel Lines and the Circumference of the Earth
How do you fit a tape measure around the Earth? No need if you know a little geometry! Pupils begin by extending their understanding of the Side Splitter Theorem to a transversal cut by parallel lines. Once they identify the proportional...
EngageNY
Similar Triangles in Circle-Secant (or Circle-Secant-Tangent) Diagrams
First angle measures, now segment lengths. High schoolers first measure segments formed by secants that intersect interior to a circle, secants that intersect exterior to a circle, and a secant and a tangent that intersect exterior to a...
PBS
Stories of Painkiller Addiction: The Brain on Autopilot
For some people, the force of addiction can be as biologically compelling as the drive for food or water. High schoolers watch a video segment about Ryan, a recovering addict, and learn more about how opioids and other drugs can affect...
EngageNY
Distance and Complex Numbers 2
Classmates apply midpoint concepts by leapfrogging around the complex plane. The 12th lesson in a 32 segment unit, asks pupils to apply distances and midpoints in relationship to two complex numbers. The class develops a formula to find...
Florida Center for Reading Research
Phonological Awareness - Phoneme Segmenting and Blending, Treasure Chest
Working in pairs, scholars use picture cards to practice segmenting words into phonemes and blending phonemes into words. When a peer answers correctly they place a penny in a treasure chest. Incorrect responses make the card go back in...
Curated OER
Basic Geometric Concepts - Homework 14.1
In this recognizing geometric figures activity, students read descriptions, draw, label, and write the names and symbols for basic geometric figures. Students solve thirteen problems.
Curated OER
The Coordinate Plane
Use this Saxon math coordinate plane worksheet to have your learners utilize a graphing calculator, equate the vertices of a rectangle, and then graph their conclusions as well as answer a variety of fill in the blank equations.
Florida Center for Reading Research
Phonological Awareness: Onset and Rime, Quick Pick
What does it begin with? In this engaging phonics game, small groups study onset and rime using picture cards. Groups take turns as one player draws three cards from an overturned pile, placing them face-up on the table. They silently...
Illustrative Mathematics
Placing a Fire Hydrant
Triangle centers and the segments that create them easily become an exercise in memorization, without the help of engaging applications like this lesson. Here the class investigates the measure of center that is equidistant to the three...
CK-12 Foundation
Identify Line Types: Intersecting and Parallel Lines
Navigate your way through a lesson on types of lines. Individuals drag line segments to illustrate paths between pairs of houses on an interactive map. They determine if these line segment pairs are intersecting or
parallel.
Concord Consortium
Short Pappus
It's all Greek to me. Scholars work a task that Greeks first formulated for an ancient math challenge. Provided with an angle and a point inside the angle, scholars develop conjectures about what is true about the shortest line segment...
Flipped Math
Secants and Tangents
Put the vertex in, put the vertex out. Pupils explore theorems about the relationships of lengths of segments and angles of line segments that intersect inside or outside the circle. Learners use the theorems to solve problems involving...
101 Questions
Best Midpoint
Develop a strong understanding of what it means to be a midpoint. Learners analyze the angles, coordinates, and lengths of segments and their approximated midpoints. They use their analyses to develop a formula to rank four attempts at...
Flipped Math
Unit 11 Review: Circles
Solve problems around a circle. Pupils watch a video that shows how to apply concepts about circles and related angles and segments to find solutions to word problems. Learners then review the different concepts from the unit in...
Curated OER
Phonics: Two Syllable Words
Learning the rules can make any task clear and achievable. Second graders have the task of segmenting two-syllable words. Lucky for them, they have a rule to guide them as they go along! They underline all the vowels in each word and...
Curated OER
Chopping Sounds
With the swing of a paper ax, young learners demonstrate how to appropriately segment three-letter words. Consider breaking learners into small groups and having them share a paper ax to keep the peace. This plan is so creative, but be...
EngageNY
Directed Line Segments and Vectors
Investigate the components of vectors and vector addition through geometric representations. Pupils learn the parallelogram rule for adding vectors and demonstrate their understanding graphically. They utilize the correct notation and...
Illustrative Mathematics
Shortest Line Segment from a Point P to a Line L
One of the hardest skills for many young geometers to grasp is to move beyond just declaring obvious things true, and really returning to fundamental principles for proof. This brief exercise stretches those proving muscles as the class...
EngageNY
Criterion for Perpendicularity
The Pythagorean Theorem is a geometry pupil's best friend! Learners explain the equation a1b1 + a2b2 = 0 for perpendicular segments using the Pythagorean Theorem. They are able to identify perpendicular segments using their endpoints and...
Florida Center for Reading Research
Picture Slide
Here is another fun and engaging way to help youngsters build phonological awareness. In pairs, they use the provided picture cards to sound out segments of words. As they slide the picture together they say a segment of the...
Curated OER
Lesson 2- Spanish Greeting
Break down a quick conversation in Spanish. After the teacher presents the vocabulary, the class heads to the computer lab, where class members can watch a brief interactive video. The visual is one clip separated into four clearly...
Curated OER
NUMB3RS Activity: Where’s the Source? Episode: “Undercurrents”
Several real-world problems are posed as a way to learn about vector fields in order to make some predictions after analyzing the data. The main problem comes from the tv show NUMB3RS and is based on solving a crime where a body has...
Curated OER
1.2 Points, Lines and Planes
This is a lengthy overview PowerPoint that defines, explains, shows examples, and has practice problems about points, lines and planes. The class will need to write many notes and there is an example of how to set up in the Cornell...
Other popular searches
- Line Segments
- Phoneme Segmentation
- Geometry Lines Line Segments
- Segmented Worms
- Segment Addition Postulate
- Line Segments Rays
- Syllable Segmentation
- Perpendicular Line Segments
- Congruent Line Segments
- Proportional Segments
- Lines and Line Segments
- Market Segmentation