Illustrative Mathematics
The Geometry of Letters
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
Curated OER
Christmas Tree Angles
In this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
Curated OER
Proofs
In this geometric proof worksheet, students compose 20 triangle congruency proofs. Students will decide if there is enough information in problems 1-6 to prove if any triangles are congruent. In problems 17 to 20, students use given...
Scholastic
Study Jams! Light Absorption, Reflection, & Refraction
Zoe and RJ are trying to photograph an egret on a lake, but they are having trouble with the lighting. Reflection, refraction, and absorption are explored through their thoughtful dialogue so that your physical scientists are illuminated...
Curated OER
Similar Figures
In this similar figures learning exercise, students identify corresponding sides and corresponding angles of given polygons. They identify similar figures. This three-page learning exercise contains 18 problems.
Curated OER
Pattern Blocks
First graders examine a bag full of standard pattern blocks in the following shapes: triangle, hexagon, small rhombus, large rhombus (parallelogram), square, and trapezoid. They discuss the similarities and differences among them, count...
Curated OER
STABLE ANGLES OF SLOPES
Students conduct an experiment using soil and shoeboxes to explore factors controlling and affecting the slope of a hillside. They analyze angles, surfaces, etc. to gain an understanding of instability of slopes.
Curated OER
Mirror, Mirror
Geometry students use hinged mirrors to discover that the regular polygons are composed of triangles tessellating around a center point. They sketch triangles on paper models of the regular polygons having 3 to 10 sides and compute the...
Curated OER
Geometry Worksheet
In this geometry learning exercise, learners find the area of four polygons. They compute the measure of an angle. Students find the length of the sides of a right triangle. They name one arc and find the measure of two arcs.
Pyro Innovations
Get into Shape
Shapes are so fun! Little ones explore, identify, and create shapes using tangrams or pattern blocks. The activity is intended to stimulate critical thinking while engaging learners through play and shape identification. Each child will...
Bowland
DanceStar
Express dance moves mathematically. Scholars dissect dance routines and express them using mathematical notation, such as translations and rotations. They use video clips to investigate seven different dance genres.
Curated OER
Making and Describing Shapes
Explore the concept of creating and describing 2D and 3D shapes. Using geometry your scholars will describe the attributes of shapes and their properties. They explore and discover what happens when you combine shapes and then take...
Curated OER
Detectives in the Landscape
Fourth graders explore landscapes. In this landscape instructional activity, 4th graders investigate different elements of landscapes. Students design a visual presentation using photographs taken during a nature walk.
Describing Egypt
Horemheb - (18th Dynasty)
Who was Horemheb and why is his tomb so famous? An fascinating resource uses virtual reality tools and even comes equipped with the ability to use a VR headset. Learners view information panels to the side of the location to understand...
Curated OER
Un-Presidented Election
Learners explore the results of the 2000 presidential election. They look back at important issues in the campaign and write newspaper articles which cover specific angles on the election.
Curated OER
Up and Down We Go
Students explore physics concepts such as velocity, acceleration and speed to create a model of a safe roller coaster. They design and conduct a lab to demonstrate the properties of an object fired horizontally and at an angle.
University of North Carolina
Blogs
The blogosphere may be overwhelmed with content, but there's still room for unique points of view. Creating a blog that stands out, however, is the bigger challenge. A handout on blogs, part of a series of handouts on specific writing...
Curated OER
Task: Grain Storage
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...
Curated OER
Task: Miniature Golf
"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...
Noyce Foundation
Parallelogram
Parallelograms are pairs of triangles all the way around. Pupils measure to determine the area and perimeter of a parallelogram. They then find the area of the tirangles formed by drawing a diagonal of the parallelogram and compare their...
Ohio Department of Education
Describing and Creating Plane Figures - Grade One
Young mathematicians draw, create, and describe different shapes using triangles. They discuss attributes of the original and created shapes. Pupils classify the created shapes and draw and write in mathematics journals to communicate...
Math Worksheets Land
Measure Area by Counting Units - Step-by-Step Lesson
What is the area? Because there is only one problem here with a detailed explanation below, consider projecting this as an all-class warm up. Learners examine a rectangle split into 12 squares. They know that each unit is three...
Krzysztof Haft-Szatynski
Move the Turtle
Turtles are not known to be speedy movers, but have you ever tried to get them to move in a specific direction? How about getting them to move in a perfect circle? With this app, young computer programmers have to be on their toes to...
Noyce Foundation
Lawn Mowing
This is how long we mow the lawn together. The assessment requires the class to work with combining ratios and proportional reasoning. Pupils determine the unit rate of mowers and calculate the time required to mow a lawn if they work...