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Parallel and Perpendicular Lines
Tenth graders explore parallel and perpendicular lines. In this geometry instructional activity, 10th graders investigate the relationships associated with parallel lines and transversals, perpendicular lines, and the angles formed...
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Accounting
Students create bank reconciliation spreadsheet. In this algebra lesson, students discuss the basics about business, money and bank accounts. They use a bank reconciliation statement correctly.
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Exploring the Orthocenter of a Triangle
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
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Designing a Study
Students explore features to consider when designing a scientific study. In this science research lesson plan, students examine different methods of data collection and consider which method would be appropriate for determining how many...
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Sorting Through Spiders
Students utilize their own drawings of spiders to analyze and sort the attributes that each student drew.
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Polygon People
Students identify polygons. In this polygon people lesson, students draw required shapes and construct a polygon person. They identify each shape and its characteristics. The lesson may be extended by allowing students...
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Zone Out!
Students review telling time to the hour and half hour on an analog clock. In this time lesson, the students learn how to determine the time in each of the 4 standard time zones.
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Deductive and Inductive Reasoning
Students differentiate between inductive and deductive reasoning. In this geometry lesson, students identify congruent figures and examine logos for congruency.
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Data and Scientific Graphs
Learners conduct experiments and graph their data. In this statistics lesson, students collect data and graph it on a coordinate plane. They analyze the data looking for patterns and they discuss their findings with the class.
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What Are Some Different Ways You Can Group Buttons
Second graders classify and group buttons. They discuss how their buttons are alike and different, and identify the characteristics of their handful of buttons. Students then classify their buttons into three groups, and create a...
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Extrema on an Interval
Students explore maximum and minimum points, slopes and tangents. In this Pre-Calculus lesson, students solve optimization problems and find rates of change.
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Graphing With Candy
Students gather information and interpret the results using a tally chart, a table, and a bar graph.
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Tangram Geometry
Students listen to a story involving Tangram pieces. Students use Tangram pieces to complete shapes using an outline of a design.
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Cooking With Cuisinaires
Second graders explore fraction with Cuisenaire Rods. In this fraction lesson, 2nd graders recieve "recipe" cards for adding fractions. After practicing, students create their own cards then exchange with each other to...
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Heads or Tails
Seventh graders compare experimental and theoretical probabilities. In this comparing experimental and theoretical probabilities lesson, 7th graders discuss the theoretical probability of flipping a coin. Students flip a coin...
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Race the Track! Design Challenge
Students use the design process to investigate physical science. For this force and motion lesson, design a track to achieve a specified outcome. Students complete additional experiments with speed and distance. Students...
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What's All this Money Madness?
Second graders examine the value of money. In this money lesson, 2nd graders read the book Money Madness by David A. Alder and watch Brain Pop Jr. videos. Students discuss why we need money and how people earn money. Students each...
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Perpendicular Bisector of a Line Segment
High Schoolers investigate the perpendicular bisector of a line segment. They use Cabri Jr. to construct the perpendicular bisector of a segment. The dynamics capabilities of Cabri Jr. allow your learners to observe the lengths of the...
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Midpoint of a Segment
Learners revisit midpoint and segments by graphing on the TI or computer. This activity can be done with pencil and paper, but is more interactive if it is done on a TI-navigator.
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Exploring the Centroid of a Triangle
Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...
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Investigating Lengths of Segments in a Triangle
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
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Classroom Builder
Students explore music theory by discussing a classic song. In this musical notation lesson, students listen to the song "My Favorite Things" and discuss and share their personal tastes with the class. Students practice writing notes on...
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Arranging Numbers in order up to 1,000
Third graders arrange numbers up to 1,000. In this arranging numbers instructional activity, 3rd graders play a game to try and build the biggest number they can using number tiles. Students work in groups to draw number tiles from...
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Significant What?
Students define accuracy and precision, and differentiate between the two terms, apply the concepts of accuracy and precision to a given situation and correctly apply the concept of significant figures to measurement and mathematical...