Curated OER
The Greedy Triangle-Intro to Geometric Shapes
In this geometry lesson plan, learners read The Greedy Triangle and use geoboards to construct geometric shapes. They identify the number of sides and angles each shape has.
Curated OER
Quadrilaterals
In this solving quadrilateral word problems learning exercise, students draw figures to identify quadrilaterals, use angles to find the ones missing, and explain classification. Students solve six problems.
Curated OER
Chalkboard Challenge: Fifth Grade Math Review
This PowerPoint addresses fifth grade math concepts, focusing mostly on geometry. The interactive math review game is in a "Jeopardy" style format and enables students to revisit the topics in geometry such as polygons, quadrilaterals...
Curated OER
Right Triangles
Learners classify triangles and make connections regarding angle measurements and attributes of acute, right, and obtuse triangles. They listen to teacher define and explain triangles. Everyone imagines a place where a broken wing for a...
Curated OER
How Tall is that Tree?
Learners use their feet to measure distance between themselves and a tree trunk. In this distance lesson, students use the number of steps, and string to measure distances and height of the tree. Learners can get the tree...
Curated OER
"Polly"gon Pockets
Explore polygons with your elementary learners. Divide the class in 12 to configure the polygon puzzle before them. They list the attributes of each type of polygon they see, and if there's time, they jump on the interactive website...
Curated OER
Reflection of Light
Students experiment with reflections of two plane mirrors placed at a 90 degree angle to see what will be reflected.
Curated OER
Polygon Angle Partners
In this math worksheet, students analyze 6 geometric figures. Students label each polygon with its name and measure each inside angle. Students are instructed to compare their measurements with those of a partner.
Curated OER
Mirror Symmetry/Mirror Images
Students explore lines of symmetry in geometric shapes. In this geometry lesson, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
Curated OER
Classifying Triangles Based On Properties of Angles
The interactive lesson featured here calls for the use of a Smartboard for sorting and classifying shapes. Then, pupils discuss the rules they followed for sorting their shapes, particularly focusing on the properties of angles. While...
Curated OER
Classifying Triangles
This presentation shows how triangles are classified by angle measurement and length of sides. It reviews isosceles, scalene, obtuse, right, and acute classifications and includes questions for students to classify some of the...
Curated OER
Angles: Prove It!
For this angle worksheet, students first draw a set of intersecting lines, then use a protractor to complete a set of instructions about angles and answer related questions. Answers included on page 2.
Curated OER
Leveled Problem Solving Special Pairs of Angles
In this special pairs of angles practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Vertical Angles
For this vertical angle worksheet, learners find the measurements for all angles, using knowledge of vertical and supplementary angles.
Curated OER
Vertical Angles 2
In this vertical angle worksheet, students use their knowledge of vertical angles to find measurements of all angles present.
Curated OER
Alternate Angles
For this alternate angles worksheet, students find the measurement of the alternate angles in each problem. Students complete 6 problems.
Curated OER
Corresponding Angles
In this corresponding angles instructional activity, students use their knowledge of corresponding angles to determine the measurements of angles marked with a question mark.
Curated OER
Alternate Angles
In this alternate angles worksheet, students use their knowledge of alternate angles to determine the measurements of the angles that are marked with a question mark.
Curated OER
Alternate Angles 2
In this alternate angle worksheet, students use their knowledge of alternate angles to determine the measurements of angles marked with a question mark.
Curated OER
Geometry Worksheet: Angle (3)
In this angle measurement instructional activity, students find the degrees of angle x when given the number of degrees in each of the other four points of a star (pentagram).
Curated OER
"How Much?" Contest - Measurement
Students work with measurements of length, area, and volume capacity of a liquid. They watch a teacher demonstration of both English and metric units before they estimate and take actual measurements of assigned items a three different...
Scholastic
Study Jams! Area of a Triangle
Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 5
Elevate your fifth graders' understanding of math concepts with a series of vocabulary posters. Featuring terms concerning probability and statistics, measurement, algebra, and decimal place value (and many more), the posters are...
Curated OER
Estimate and Measure Angles
In this angle worksheet, students estimate a set of angles within 15 degrees, then measure each angle and name it. A reference web site is given for additional activities.