Helping with Math
Geometry: Areas of Triangles
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
Math Mammoth
Finding the Area of Rectangles, Parallelograms, and Triangles
In this area of polygons activity, 9th graders solve two area of rectangles, one area of parallelogram, and ten area of triangles problems. The formulas for finding the area of these figures are provided.
Curated OER
SAT Practice Test
In this online, interactive worksheet, students solve ten SAT preparation problems in 12 minutes. The problems vary in difficulty and content.
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Lessons for Atlatl Users with Some Experience-Grade 6
Sixth graders experiment with an atlatl and dart. In this sixth grade data management mathematics lesson, 6th graders explore and determine the most suitable methods of displaying data collected from their experimentation with...
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Making Change
Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.
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Discovering Pi
Learners relate Pi to a circle. In this circles activity, students identify the different properties of two dimensional objects. They relate Pi to the circumference, diameter and area of a circle .
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Jabberwocky: A Lake and Island Board Project
A mathematical role play using Lake and Island Boards where students plan to move from Jabberwocky to their new planet
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Surface Area and Volume
Students are introduced to the notion of surface area and volume, learn the terminology used with surface area and volume and have experimented with the surface area and volume of different prisms.
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Similar Polygons
In this similar polygons instructional activity, 10th graders solve and complete 20 various types of problems. First, they solve each proportion. Then, students write a ratio expressing the slope of a line through each pair of points. In...
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Care Homework #7
In this care homework worksheet, young scholars add, subtract, multiply and divide integers. They multiply and divide fractions. Students complete percent problems and determine the area of polygons. This...
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Manipulating Integers
In this algebra worksheet, students manipulate integers to add, subtract, multiply and divide using order of operation. They rewrite word problems and solve for the unknown. There are 24 questions with an answer key.
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Finding Area of Similar Figures
Students explore the concept of finding area of similar figures. In this finding area of similar figures lesson, students use pattern blocks to construct similar figures. Students trace their construction and find the area. Students...
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Integrate Algebra Regents Exam Bimodal Questions Worksheet #1
In this Integrated Algebra worksheet, students solve problems that reflect the topics covered during the course of work. The answer key identifies each question by standard and topic. The twenty-four page worksheet...
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Does the Area of the Quadrilateral Change?
Students study area and quadrilaterals. In this multiplication and area lesson, students use Polystrip models to change rectangles to form different parallelograms. Students find the area of the models use a Geometer Sketchpad to find...
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Marvelous Mathematics
Students make a table on the computer, but create fractions and equivalent fractions through the use of color. They are able to manipulate fractions in order to gain a greater understanding of the meaning of whole number that is broken...
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Pi Day (March 14)
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..
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Telling Time to 5 Minutes
Young scholars take part in various activities ranging from creating a human clock, to small group problem solving to reinforce the concept of telling time accurately to five minutes on an analog clock.
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Reflections
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
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Area Adventure
Students calculate the area of figures using the formula: length x width = area. They solve area problems using paper squares, geoboards, and real-world problems.
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Using Algebraic Equations in Geometry Problems
In this using algebraic equations in geometry problems worksheet, 6th graders write an equation to solve each addition problem about geometry, then find the solution.
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Similar Triangles - Geometry Exploration
Eighth graders become engaged in a instructional activity in geometry to improve mathematical skills. They construct triangles, segments, and points using Geometer's Sketchpad to demonstrate how dilations of triangles and rectangles...
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Surface Area and Volume of Similar Solids
Students explore similar figures. In this surface area and volume lesson, students identify the relationship between the surface area and volume of similar figures.
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Infinite Secrets
Students duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
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Getting Familiar with Fractals
Students use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.