EngageNY
Properties of Tangents
You know about the tangent function, but what are tangent lines to a circle? Learners investigate properties of tangents through constructions. They determine that tangents are perpendicular to the radius at the point of tangency,...
Science Friday
Make a Model Eardrum to Detect Sound Waves
Make sound waves visible with an experiment that asks middle schoolers to build a model ear drum using plastic bottles, rubber bands, plastic wrap, and sand-like substances.
EngageNY
A Synthesis of Representations of Equivalent Ratio Collections
Make all the ratio representations fit together. The 15th segment in a series of 29 presents ratio problems to solve. Scholars use a variety of representations to respond to the questions. The problem set has pupils show how the...
Florida Center for Reading Research
Phonological Awareness: Phoneme Segmenting, Phoneme Photos
This great activity incorporates counting, phoneme segmenting, and class photos. In pairs, learners take turns saying, counting, and checking the number of phoneme segments found in their classmates' names. They count the phonemes and...
Math Worksheets Land
Using Tiling to Find Area - Guided Lesson
By splitting a rectangle into equal parts, scholars can see area as well as calculate it. First, they determine the area of a rectangle given its side lengths. Then, they use the space provided to segment it into four equal parts,...
Channel Islands Film
Santa Cruz Island - Writing for Information
After re-viewing a documentary segment on the restoration of Santa Cruz Island,, individuals craft an essay in which they compare the views of the various stake holders featured in the video and identify the point of view they find...
Curated OER
Pythagorean Triples
Students investigate the mathematical concepts related to the study of The Pythagorean Theorem. They graph and review how to use a line segment to construct a triangle. Then using the theorem students calculate the length of the hypotenuse.
Curated OER
Basic Geometric Constructions
Students observe and demonstrate a variety of basic geometric constructions using the Triman Safety Compass. Using the compass, they draw circles, bisect a line segment, construct an angle, bisect an angle, copy an angle, and create...
Curated OER
Measuring Length: Practice A
Ninth graders investigate the segment addition postulate. In this geometry instructional activity, 9th graders explore the difference between equal and congruent in relation to segment length. The instructional activity...
Curated OER
Geometry Quiz
For this geometric quiz worksheet, students complete 5 problems involving segment addition, distance formula, and solving equations.
Curated OER
Circles
In this circles worksheet, 10th graders solve and complete 8 different problems. First, they find the two segments perpendicular to a given circle. Then, students find the line tangent to the circle illustrated and the sides marked. They...
Curated OER
Cabri Jr. Perpendicular Bisector of a Chord
Your learners will construct the perpendicular bisector of a chord. They use Cabri Jr. to construct a circle and a perpendicular bisector of a chord. They then measure lengths of the chords and perpendicular bisectors. Learners use...
Texas Instruments
Exploring Tangents
Explore the concept of tangent lines. In this tangent line lesson, learners graph a circle and two lines on their graphing calculator using Cabri Jr. High schoolers construct the lines so that they both intersect at a given point and are...
Curated OER
New York State Testing Program
In this state testing worksheet, students solve problems on a variety of topics studied throughout the year. They find the median, solve algebraic equations, solve proportions, simplify expressions, find percents, and complete...
Curated OER
Title of Segment: Balance of Trade
Students take a closer look at the balance of trade. In this current events lesson plan, students watch PBS video clips about American trade with China. Students research Chinese production and consumerism in order to determine...
Curated OER
Slope
In this slope worksheet, 9th graders solve and complete 18 different problems that include identifying various points on a graph. First, they determine the slope of each line drawn on the grid to the right. Then, students determine the...
Curated OER
Points of Intersection
Eighth and ninth graders solve five different problems that include solving two equations. They determine the point of intersection in each of the five pairs of equations given. Pupils define point of intersection as the point where two...
Curated OER
Experiment on Minimal Segment Size Regeneration of Lumbriculus variegatus
The experiment allows students to observe regeneration of tailless and headless worm segments into complete individuals. Data of a completed experiment are included as well as a student activity sheet.
Curated OER
Exploring Special Segments in Triangles
Young scholars discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
Curated OER
Cosine
In this cosine activity, 10th graders solve 10 different problems that include various triangles. They determine the cosine of one point in each triangle illustrated. Then, they apply the line segments given to each and solve for the...
Curated OER
Phoneme Segmentation
Students practice counting the number of sounds in names and words through the use of a ninja puppet that chops the sounds. The emphasis is on the breaking up of the names with the use of karate chops to increase student participation.
Curated OER
Midpoint
For this geometry worksheet, 10th graders use the concept of midpoint of a line segment to solve problems in which they determine the length of the indicated segments. The one page worksheet...
Curated OER
Word Problems Involving Measurements
In this measurement instructional activity, students solve word problems based on line segments on a map. Students complete 22 problems total.
Curated OER
Sounding out accuracy, The Sum of the Parts
Learners explore word structures by participating in a group activity. In this word segment lesson, students collaborate in small groups and pass out cards with certain letters that can form words when put together. Learners win the game...
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