Lesson Plan
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Fraction Equivalence

For Teachers 4th
Fourth graders explore fractions. They compare different fractions using fraction bars. Students find equivalent fractions and they use fraction bars to visualize addition of fractions.
Lesson Plan
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Scientific Notation

For Teachers 7th - 9th
Pupils observe the teacher writing numbers and determine the rules for scientific notation. After explanations, they perform operations on numbers in scientific nation and discuss reasons for using this method of writing numbers and...
Lesson Plan
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Nand Gate Logic

For Teachers 4th - 5th
Students assess how to construct all possible circuits out of Nand gates. They divide into groups and are given a set of manipulatives to organize and explain the operation of a Nand gate. Each group recognizes the need to construct...
Lesson Plan
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Dubious Adoption Data

For Teachers 10th - 12th
Students analyze a graph from the New York City Administration for Children's Services that shows a significant increase in New York City adoptions after ACS was founded. They determine whether the graph supports ACS' claims and whether...
Lesson Plan
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Five Little Ducks

For Teachers 1st
First graders practice the strategy of groupings within 5 in the counting to one stages one, two and three. They encounter the rhyme "Five Little Ducks" and role-play the rhyme using five students to represent the five little ducks. They...
Lesson Plan
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Factor Cards

For Teachers 3rd - 4th
Young scholars are introduced to the concept of factorization. Individually, they are given seven cards and turn over one card at a time. They take the card and place it on top of the pile and identify the common factor with the one they...
Worksheet
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Estimating Quotients

For Students 4th
In this estimating quotients worksheet, 4th graders estimate the quotient in 12 math problems and write the numbers they used on the lines provided.
Worksheet
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A centimetre

For Students 2nd - 3rd
IN this metric measurement worksheet, students draw 5 lines which are shorter than a centimeter and 5 lines which are longer than 1 cm.
Lesson Plan
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Measuring Marvels

For Teachers K - 8th
Students discover how units of measurement help people to categorize objects. In this measurement lesson plan, students discuss various units of measurement, use creativity to invent new possible units of measure, and learn the history...
Lesson Plan
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Measuring Marvels

For Teachers K - 8th
Students investigate measurement. In this library lesson plan, students discuss measurement, read Millions to Measure by David Schwartz, and complete a worksheet. Extra related activities are included in the lesson plan that appeals to...
Lesson Plan
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Junk Mail Overload!

For Teachers 3rd - 6th
Students discuss the "junk mail nuisance" with the teacher and share their opinions on the problem. Students collect a week's worth of junk mail, bring to class and complete a chart about the amount and weight. Students then complete an...
Lesson Plan
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Scoring a Financial Education

For Teachers 10th - Higher Ed
Students explore the concept of money management. In this money management lesson, students read an article about students taking a finance course in high school and college. Students discuss the importance of money management. Students...
Lesson Plan
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Reciprocals of Quadratic Functions

For Teachers 11th
Eleventh graders investigate inverse functions.  In this Algebra II lesson, 11th graders use their prior knowledge of linear, exponential,and quadratic functions to create a graph of an equation they have never seen before.
Lesson Plan
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Countdown to Disaster

For Teachers 2nd - 5th
Students discover the potential dangers of weather in their hometown.  In this environmental lesson, students research Hurricane Hugo and the devastation it caused South Carolina in 1989.  Students record weather data from...
Lesson Plan
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Norman Borlaug, Hunger Fighter

For Teachers 6th - 8th
Middle schoolers study Norman Borlaug. In this reading and math instructional activity, students research Norman Borlaug's work and write a narrative interview with Borlaug. Middle schoolers complete a variety of activities...
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A Lesson on the Root Spiral

For Teachers 9th - 10th
Students create lines and shapes with a compass and a straight edge. In this geometry lesson, students investigate square roots, irrational numbers and spirals. They explore nature to see the shapes representing mathematics and geometric...
Lesson Plan
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Linear Systems

For Teachers 7th - 9th
Learners solve and graph linear equations. In this algebra lesson, students solve systems of equations using elimination and substitution. They graph their answer and identify the point of intersection.
Worksheet
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Fair-division

For Students 6th - 10th
In this division worksheet, students complete word problems with division about pizza slices, jelly servings, percentages of cards, and more. Students complete 14 problems.
Lesson Plan
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Saving the Bald Eagle

For Teachers 6th - 12th
Students plot on a coordinate plane. In this algebra lesson, students identify points on a coordinate plane and graph lines given coordinate pairs. They create a model as they study bald eagles and their growth and decay.
Lesson Plan
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Building a Rover

For Teachers 6th - 8th
Students investigate properties of lines and points by making a rover. In this algebra lesson plan, students plot points correctly on a coordinate plane. They identify coordinate pairs given the plots and lines.
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Square Roots

For Teachers 7th - 8th
Students differentiate between perfect roots and rational roots. In this algebra activity, students perform operation using roots. They add, subtract, multiply and divide rational expressions.
Interactive
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Cavy Care 101

For Students 4th - 5th
In this cavy care activity, students complete a ten question multiple choice online interactive quiz about details related to the care of guinea pigs. Prior knowledge is assumed.
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Clock Arithmetic and Cryptography

For Teachers 9th - 12th
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Lesson Plan
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Area

For Teachers 3rd - 4th
Students examine the mathematical concept of area. These activities and discussions may be used to develop students' understanding of this mathematical concept and will enable students to calculate the area of a random shape on a grid.