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The Limit Definition of a Definite Integral

For Students 11th - 12th
In this calculus instructional activity, students calculate the derivative and integral of different functions. They use interval to mark the beginning and end of their calculations. There are 15 questions with an answer key.
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Quarter Combos

For Teachers 2nd
Review money with this motivating lesson. Using a simple game, learners practice adding up coins to total $.25. This lesson comes with worksheets that could be used to cement students' knowledge of this topic.
Organizer
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Quick Recognizing Shapes Guide

For Students 1st - 3rd
Although there isn't anything for kids to complete in this shapes handout, they can use it as a guide for drawing shapes and recognizing their attributes. There are eight shapes described here: circle, oval, triangle, rectangle,...
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Walking on Water

For Teachers 9th - 12th
High schoolers use this problem to help them to relate to force vectors: Suspend a meterstick horizontally between two tables. Place a 1kg mass in the middle of the meterstick. Notice the bend of the meterstick. Explain why the...
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A Walk in the Park

For Teachers 3rd - 5th
Using a word problem, learners practice estimation techniques. After leading the class through a solution to this problem, a teacher could have the class complete other estimation activities using this one as a model.
Worksheet
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Quadratic Equations

For Students 8th - 10th
In this algebra worksheet  uses factoring to solve and graph quadratic equations. The three page worksheet contains explanation of topic, worked examples and five practice problems. Answers are not provided. 
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Creating a Consumer-Awareness Information Campaign

For Teachers 3rd - 8th
Students work across grade levels to research and design a community awareness campaign on the benefits of purchasing fair trade chocolate. They develop print advertisements, conduct research, write letters, make posters and prepare oral...
Worksheet
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Chemistry: Significant Digits

For Students 7th - 12th
In this significant digits worksheet, students review the rules of working with significant digits and then give the number of significant digits in the given measurements. This worksheet has 30 problems to solve.
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3-D Cubes

For Teachers 2nd - 4th
Students investigate cubes. In this geometric solids instructional activity, students review geometric concepts previously taught, then logon to a computer game in which they find cube figures and identify the shadow of hidden cubes.
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Grab a Handful and Count

For Teachers K - 1st
Let's use Fruit Loops to teach counting skills! Young scholars practice counting one-to-one correspondence using Fruit Loops with a partner and then compare them to see who has more or less.
Lesson Plan
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The Declaration Versus The Communist Manifesto

For Teachers 9th - 12th
Upper graders put their knowledge of the U.S. Constitution to the test when they are asked to mark which of several statements are from either the Constitution or the Communist Manifesto. A class discussion follows. Use this resource as...
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Woman Suffrage in Colorado, 1877-1893

For Teachers 8th - 10th
Students work together in groups to examine the suffrage movement in Colorado. They analyze the reasons for and against women's suffrage. They also determine the impact of the movement in Colorado.
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nvestigation - Justin and Daniel's Puzzles

For Teachers 7th
Seventh graders explore area and perimeter, using tangram pieces. They discover the area and perimeter of rectangles and squares. After experimentation, 7th graders write a rule for finding the perimeter and area of squares and rectangles.
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Equilibrium Practice

For Teachers 10th - Higher Ed
In this chemical reactions worksheet, young scholars determine solubility product expressions, equilibrium constants, and equilibrium concentrations. This worksheet has 15 multiple choice questions and 3 problems to solve.
Worksheet
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Double Bar Graphs - Homework 7.1

For Students 3rd - 5th
Your learners have seen basic bar graphs, but do they have experience reading double bar graphs? This worksheet details how to draw a double bar graph and provides an example with six accompanying questions. The final question asks...
Worksheet
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Repeated Subtraction

For Students 1st - 3rd
Learners can find the difference using repeated subtraction. This set of 6 word problems encourages them to use repeated subtraction as the primary problem solving strategy.

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