Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
Curated OER
Perpendicular Lines
In this perpendicular lines practice worksheet, young scholars find and list examples of perpendicular lines at home, at school, and outside.
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Trigometric Ratios
This instructional activity requires a worksheet that is not connected. It is integral to the instructional activity.
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Graphing
Students collect data to create different types of graphs-line, pie, and bar graphs. They use StarOffice 6.0 to create graphs.
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Visualizing Multiplication
Upper graders represent multiplication of a two-digit number by a two-digit number as the area of a rectangle with dimensions of the two factors. They find patterns for the number of different base ten blocks in a rectangle representing...
Shodor Education Foundation
An Introduction To Quadrilaterals
Young geometers investigate and apply properties of quadrilaterals. After a review and discussion of key terms, students use a computer applet to explore four-sided figures and classify them according to their attributes. The...
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Go The Distance Car Construction
Young scholars build and program a car to drive a specific challenge distance.They must at the end of the lesson, have the car that stops the closest to a challenge distance.
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An Uncomfortable Situation
If shapes have the same area, do they always have the same perimeter? Learners explore the relationship between the area of square units and their perimeters in a hands-on activity. Observations are recorded, and they begin to recognize...
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Can You Name That Shape?
Learners use materials to build, investigate, and draw two-dimensional shapes (polygons). They combine the shapes they have built and draw from the pile to begin a round-robin activity to name and determine the attributes of a selection...
Exploratorium
Rotating String Shapes
Here is a very interesting way of studying triangles and polygons. Pupils work together and use pieces of string to create a variety of shapes. Depending on how many kids are manipulating the string at any one time, the number of...
Curated OER
Arithmetic Artistry
Students create a classroom quilt that illustrates the many unique ways that students use math skills.
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Tally Time
Students create a tally chart. In this math and health lesson, students discuss healthy foods and create a tally chart showing the number of students who like to eat healthy foods.
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Saving Money Through Mathematics
Third graders discuss light sources and collect data about energy sources. They compare data and create a multiple line graph showing energy used by light sources for each student in the group. They present their graphs and write a...
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Workshop Lesson: Digital Camera
Students perform an activity in small groups in order to investigate different types of shapes found in photographs taken with a digital camera. The integration of technology is used to engage students in the lesson.
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Rep Tiles
Third graders use pattern blocks of one shape at a time to try to create a similar shape. They compare the perimeter of the new figure with the perimeter of the original shape and look for a pattern. Students use the pattern to predict...
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Volume and Mass: Identify the Attribute
Students rotate through five studying stations related to the attributes of volume and mass. They manipulate objects to explore mass, compare two masses by pushing and lifting, pack materials and fill containers, and pour liquids from...
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Study Buddies: Congruent Figures
In this math worksheet, students will work with a coach to determine which shapes (in a box of shapes) are congruent. Students will follow a step-by-step process and notes are provided for the coach.
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That's So Square
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
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Powerful Polygons
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
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Car Maze competition
Students use graphs to calibrate an RCX car. They must then program the car to traverse a maze using their calibrations
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The Home Stretch
Students read the novel Stone Fox by John Reynold Gardiner. Using Lego RCX units, students build and program sleds to re-enact the "home stretch" of the National Dog Sled Race.
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Congruent Containers
In this congruency instructional activity, students find congruency in everyday packaging on everyday items and answer questions about them. Students answer 4 questions.
Curated OER
Potential Energy: How is It Related to Kinetic Energy?
Students explore kinetic and potential energy. For this energy lesson, students launch toys cars from ramps in order to examine the relationship between potential energy and kinetic energy. Students collect data and graph the results.
Curated OER
Grade 3 Math-Advanced 5
For this grade 3 math worksheet, 3rd graders answer a set of 20 'advanced' multiple choice questions covering a variety of concepts. Answers may be checked online.
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