Lesson Plan
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Lines, Segments, and Rays

For Teachers 5th
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.
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Proportions in Stories

For Teachers 8th - 10th
Students solve problems dealing with ratios and proportions. In this algebra activity, students rewrite word problems using equations and symbols. They correctly convert between percents and decimals.
Lesson Plan
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Is the System Fair?

For Teachers 8th - 10th
Students investigate shapes and patterns. In this algebra lesson, students move from concrete to abstract understanding of shapes and concepts. They use variable to identify the unknown.
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Optical Illusions

For Teachers 2nd - 3rd
Pupils investigate optical illusions. In this optical illusions lesson, students explore perception. Pupils analyze optical illusions and determine common misconceptions.
Lesson Plan
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Using a Multi- Sensory Approach

For Teachers 7th - 10th
Students identify the slope of a line given two points on the line. In this algebra lesson, students solve linear equations by finding and comparing slopes of lines. They differentiate between the steepness of the slope and the line.
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The Search for Pythagoras' Treasure

For Teachers 8th - 10th
Students identify and define properties of triangles. In this geometry lesson, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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Surface Area of Prisms

For Teachers 9th - 11th
Students calculate the surface area of different prisms. In this geometry lesson, students identify the shapes of solids based on the properties of that solid. They calculate the surface area using nets and properties of prisms.
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Ratios, Proportions, and Cross-multiplication

For Teachers 6th - 8th
Learners use cross-multiplication to find the unknown respiration rate of an astronaut. In this multiplication lesson plan, students also use the same process to find missing values in proportions.
Lesson Plan
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The Time of Man

For Teachers 7th - 8th
Young scholars demonstrate visually Mankind's relative place on the earth's timeline. They familiarize themselves with the use of the metric system in measuring and producting a timeline.
Lesson Plan
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Tallies Tell It All

For Teachers K
Students explore data collection through the use of tally marks. After a demonstration of the use of tally marks students complete various inquires where they create a chart documenting the number of times a desired result happens. They...
Lesson Plan
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How Many? How Much?

For Teachers 1st
First graders recognize and learn the value of coins. In this instructional activity on money, 1st graders read the book Monster Money by Grace Maccarone, discuss the role of money in society, identify various coins, and explore making...
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Going "Diggie" with Math Word Problems

For Teachers 6th
Sixth graders create word problems. In this sixth grade mathematics lesson, 6th graders use digital cameras to photograph interesting events around school and create word problems for their photographs that address the key concepts...
Lesson Plan
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Using Tiles to Solve Word Problems

For Teachers 7th - 9th
Students solve problems using equations. In this algebra lesson, students identify the correct symbols and steps when solving word problems. They graph their lines and analyze the slope using tiles.
Lesson Plan
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Effect on Surface Area and Volume

For Teachers 8th - 10th
Students identify the effect the change of dimensions causes for the volume and surface area. In this geometry lesson, students compare perimeter, area and volume as they play around with the dimensions of the polygons. They discuss...
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The Plane! The Plane!

For Teachers 5th
Fifth graders work with polygons.
Lesson Plan
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Finding The Area Of Shapes

For Teachers 4th
Fourth graders investigate the concept of computing the area using different shapes. They use prior knowledge in order to devise a formula for a parallelogram. Scaffolding is provided by the teacher to find the formula of area for...
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Slosh, Dribble, and Plop

For Teachers 4th - 7th
Students recognize the need for a standard unit of volume. They estimate and measure to the nearest liter. Also they relate the liter to the familiar everyday containers.
Lesson Plan
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Piggie Pie!

For Teachers K - 4th
Students explain about their experiences on the farm and draw pictures to show what they know. Students read the recipe for the piggie pie that Gritch was going to use. Students estimate and then measure how many pigs it would take to...
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Introduction to Fractions Using Cuisenaire Rods

For Teachers 5th
Fifth graders use Cuisenaire rods in order to discover how to represent fractions with real objects. In this lesson on fractions, 5th graders first examine and learn the colors, lengths, and numerical values of each rod; then, students...
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Numbers as Descriptors

For Teachers 1st - 2nd
Students use numbers as descriptors. In this mathematical inquiry lesson, students use numbers to describe, classify, and compare plants. Students are made aware that numbers can be used to describe things in the world around them.
Lesson Plan
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Concurrent Lines in Triangles

For Teachers 9th - 12th
Learners explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Learners use a...
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Spatial Connections

For Teachers 1st - 4th
Students use maps, scales, and describe locations in order to learn about spatial sense. In this spatial sense lesson plan, students participate in many activities for this spatial sense unit that should last throughout the year.
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Any Nook or Cranny

For Teachers 4th - 6th
Students create a reading nook. In this measurement lesson, students find a spot in the classroom to turn into a reading nook. They need to measure how much space they need to fit students and supplies into their nook. 
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Gravity - The Glue of the Universe

For Teachers 2nd - 7th
Students explore physics by conducting a class experiment. In this gravitational force lesson, students define several scientific terms associated with force. Students utilize a styrofoam cup and marbles to simulate a satellite crashing...