Curated OER
Calculate Area-Shaded Grids
In this area learning exercise, students calculate area using shaded grids, writing total area in square units. A reference web site is given for additional activities.
Curated OER
Calculate Area Using Grids
In this area activity, students use shaded grids to calculate area, writing area in square units. A reference web site is given for additional activities.
Curated OER
Measurement: Lesson 2
Fourth graders find the perimeter of a geometric shape by adding the lengths of the sides. They find the area of a square or rectangle by counting square units. Students use multiplication to find the area of a rectangle. They estimate...
Curated OER
Read and Write Numbers to 50
For this numbers to 50 worksheet, learners learn to read and write numbers that count to 50. Students use square units to count in the first two problems and finish with four word problems.
Curated OER
Hundreds, Tens, Ones
In this place values worksheet, students use the base ten blocks and the square unit blocks to find the hundreds, tens, and ones values places. Students also find the secret number for the 6 problems.
Alabama Learning Exchange
How Big Can a Bee Be?
Mathematicians analyze the relationships between surface area and volume. They conduct Internet research, conduct various experiments, record the data in a spreadsheet, and graph the results and compare the rate of increase of surface...
Curated OER
Dimensions and Area
Learners explore the area of rectangles in this middle school geometry lesson. They will investigate the relationship between a change in the dimensions of a rectangle and the change in the corresponding area. Learners also investigate...
Curated OER
Pythagorean Theorem
In this pythagorean theorem worksheet, learners identify the missing length of one side for 10 triangles. Each triangle gives the lengths of two sides and students must find the length of the third.
Curated OER
Pythagorean Theorem Practice
In this geometry skills worksheets, students examine 10 triangles and use the Pythagorean theorem to identity the lengths of the missing units.
Curated OER
High School Mathematics Problems from Alaska: Predicting Plant Coverage
Students participate in simulation as they examine vegetation in a square meter land plot. Students construct charts and a key to make predicitons about other land plots.
Inside Mathematics
Patterns in Prague
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
Curated OER
Area of Rectangles
In this area of rectangles worksheet, students find the area of 60 rectangles in units squared. Problems appear 6 per page, 10 pages plus answers. A website reference for additional resources is provided.
Curated OER
Understanding Fundamental Trigonometric Identities
High schoolers are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also...
Curated OER
Geometry in Art
Learners recognize and measure geometric shapes within abstract art. They examine quilts for shapes and they each make their own quilt from squares using geometry and measurement.
Curated OER
Geometry in Art
Pupils examine mathematical symbols and formulas included in works of art. They analyze quilts for shapes and they each make their own quilt from squares using geometric shapes.
Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Curated OER
Plot and Name Points on a Grid
In this graphing activity, students solve a set of 6 problems, using a given graph to answer questions related to plotting points, units moved in a given directions and coordinates.
Curated OER
Who Wants Pizza?
Students practice fraction skills online at the "Want Some Pizza" website. They complete activities via the internet and on square grid paper. They pull down tabs to check their answers.
Curated OER
The Geometry of Means
For this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...
Curated OER
Dream Bedroom Floor Plan
Students construct using Cabri software. In this geometry lesson, students convert between units and apply the correct measurements to build objects. They create the room virtually and manipulate the shapes to the desired measurements.
Curated OER
The Greedy Triangle - Group Activity
Students explore different shapes and identify them. They make a community map using triangles, rectangles, circles, ovals, squares, pentagons, and hexagons.
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...
Inside Mathematics
Two Solutions
Many problems in life have more than one possible solution, and the same is true for advanced mathematics. Scholars solve seven problems that all have at least two solutions. Then three higher-level thinking questions challenge them to...
Inside Mathematics
Quadrilaterals
What figure is formed by connecting the midpoints of the sides of a quadrilateral? The geometry assessment task has class members work through the process of determining the figure inscribed in a quadrilateral. Pupils use geometric...