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Lesson Plan
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Counting Cubes

For Teachers 3rd - 5th
Students count backwards in 2s from 30 then try other skip patterns such as 1,3,5, etc. and invent their own counting patterns. They are introduced to the problem using a pile of cubes and count by 2s and have a remainder.
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Lesson Plan
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Musical Whole Numbers

For Teachers 4th
Fourth graders participate in a musical chair activity in which they practice identifying whole numbers.  In this number sense lesson, 4th graders listen to a song and must get in the order of the number they hold on an index card when...
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Lesson Plan
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The Real Deal On Circles

For Teachers 5th
Fifth graders investigate circles and area. For this geometry lesson, 5th graders find the area, diameter and circumference of a circle. They estimate the data and then calculate it.
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Lesson Plan
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Clock Arithmetic and Cryptography

For Teachers 8th - 10th
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
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Lesson Plan
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Visual and Number Patterns

For Teachers 4th
Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...
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Lesson Plan
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Understanding Fractions

For Teachers 4th
Fourth graders compare fractions by using skittles and m&ms. In this math lesson, 4th graders explore the size of different fractions by cutting pieces of their pie for visual representation. Additionally, students discuss ways to...
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Lesson Plan
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Measure, Use of Measure

For Teachers 5th - 6th
Learners explore how to convert one metric to to another. In this metric unit lesson students are given a worksheet and asked to answer the questions and give and explanation to the class of how they got their answer.
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Lesson Plan
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Compatible numbers to 20

For Teachers 2nd - 7th
Students practice theories dealing with equals sign used as a balance, inequality symbols and practice utilizing a box or some other geometric shape to represent an unknown number. They assess numeracy problems embedded in language-rick...
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Lesson Plan
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Fraction King Lesson Plan

For Teachers 3rd - 5th
Students combine imagination, block manipulation, and computer applets to investigate fractions.
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Lesson Plan
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Pardon me. Do You Have exChange for a Dollar?

For Teachers 5th - 8th
Students are familiar with United States currency-dollar and cents. They are asked to compare it with currency of another country. Students explore currencies of various countries using the Internet, video, and hands-on activities. ...
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Lesson Plan
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Two-Digit Divisor

For Teachers 5th - 6th
In this two-digit divisor worksheet, pupils solve and complete 4 different types of problems. First, they find the maximum number of times that a number goes into another number. Then, students list the number of times and check their work.
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Lesson Plan
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Make a Difference

For Teachers 6th - 8th
Young scholars are introduced to the resource economies of recycling aluminum cans. They develop understanding about their own impact on the amount of solid waste produced and recognize the impact of recycling on energy and natural...
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Monitoring Math with a Statistical Spreadsheet

For Teachers 4th - 6th
Students use a spreadsheet to compute landmark statistics of a math quiz. This lesson can be ongoing throughout the school year and it integrates mathematics curriculum and technology in a simple format for student use.
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Lesson Plan
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Brainiac Tag

For Teachers K - 2nd
Students participate in a special game of tag while reinforcing the math skills they have learned.
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What's the Cost?

For Teachers 4th - 8th
Students consider what things cost 150 years ago and what those costs would be in today's money. They compare costs and services between the 1850s and today to find out if things are cheaper or more expensive today, in inflation-adjusted...
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Two Ways About It

For Teachers 4th - 5th
Students take an imaginary hike in two opposite directions along a lake. They view and interpret satellite images and discuss the pros and cons of hydroelectric dams.
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Lesson Plan
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Tortillas

For Teachers 6th - 8th
Students convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...
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Lesson Plan
Curated OER

Matrix operations and Matrix Inverses

For Teachers 11th
Eleventh graders study how to combine like vector's that are matrices. In this matrix operations worksheet, 11th graders combine matrices linearly and define the matrix-matrix product and its properties. Students also study matrix...

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