Worksheet
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Proving Quadrilaterals

For Students 10th
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
Worksheet
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Probability

For Students 9th - 12th
In this probability worksheet, students determine the probability of 28 problems.  Students determine the likelihood of a particular outcome.
Worksheet
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Cross-number Puzzle 1

For Students 9th - 12th
In this secondary mathematics worksheet, students solve a cross number puzzle.  The one page worksheet contains one problem with the solution. 
Organizer
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Problem-Solving Strategy: Use Logical Reasoning

For Students 4th - 5th
In this problem-solving activity, students solve 1 mathematical word problem by figuring out the answers to 7 questions. Students record their answers on the lines provided.
Lesson Plan
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March of the Dividing Ant

For Teachers 4th - 5th
Students inspect divisibility rules. In this divisibility rules instructional activity, students study the relationship between factorization and the divisibility rules for 2, 3, 5, 6, 9, and 10. Students read One Hundred Hungry Ants and...
Worksheet
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Probability- Two Events

For Students 10th - 11th
In this statistics worksheet, students examine different events after translating the word problems into equations and choose which event is most likely to occur. There are 14 questions with an answer key.
Lesson Plan
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Absolute Location

For Teachers 5th
Fifth graders examine the geographic concept of absolute location. Using a variety of resources, they create a life-size classroom grid and locate the coordinates of a point, identify latitude and longitude of different locations, and...
Worksheet
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Probability of One Event

For Students 4th - 6th
In these finding the probability worksheets, learners use a dart board, playing cards, and a board game to problem solve. Students solve 17 problems.
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Treaties

For Teachers 6th
Sixth graders research treaties. In this treaties lesson, 6th graders go online to build knowledge about treaties. Students read information and take quizzes. Students write a comparative essay about how the Aboriginal and...
Lesson Plan
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Simplify Expression Using the Order of Operations

For Teachers 5th - 8th
Allow learners to explore both the right and wrong way of completing equations with the order of operations. They discuss how the order in which operations are performed affects the outcome of a problem. A fun "trick" using order of...
Lesson Plan
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Sieve of Eratosthenes

For Teachers 8th - 12th
Students investigate numbers, ways of representing numbers, relationships among numbers and number systems. They comprehend the meaning of operations and how they relate to each other.
Lesson Plan
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Introductory Algebra Chapter R Review

For Teachers 6th - 8th
In this math worksheet, middle schoolers solve the problems and simplify the fractions. Each of the sets is related to the instructional objectives.
Lesson Plan
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Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Learners perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Learners apply their multiplication, division, addition, and subtraction skills.
Interactive
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TAKS Math Quiz-Factorization

For Students 4th - 6th
In this TAKS math quiz learning exercise, students take an online quiz focused on the concept of factorization. Quiz can be graded online by clicking a link.
Lesson Plan
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Number Theory - Week 12

For Teachers 12th - Higher Ed
In this number theory worksheet, students study integers and their properties. They explore the Fibonacci Sequence and approximate irrational numbers. This two-page worksheet contains eight problems.
Interactive
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Identify the Common Property in Twelve Octagons

For Students 9th - Higher Ed
In this Octagon Puzzle worksheet, students determine the common property for the given numbers in each of twelve octagon.  The solutions are provided.
Lesson Plan
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The Quadratic Formula

For Teachers 7th - 10th
Students solve quadratic function by completing the square. In this algebra lesson plan, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
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Displaying Postcards

For Teachers 9th - 12th
High schoolers solve a problem in a systematic and mathematical way. The use of an equation is applied to a word problem situation. It is necessary that students be familiar with different types of equations.
Lesson Plan
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Doubling Up

For Teachers 5th
Fifth graders explore the powers of two and substitute values into their own names by solving a math word problem. They perform calculations with powers of numbers, find square roots, and explain the relation between a square root and a...
Lesson Plan
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Exponent Power

For Teachers 6th - 8th
Students explore multiplication and division problems using exponents. Students examine positive, negative and zero powers. They relate powers to geometric sequences. Students devise strategies and discover rules of exponents.
Lesson Plan
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Babylonian Mathematics 2

For Teachers 9th - 12th
Students research Babylonian mathematics. They calculate simple surd numbers. Students find the fractional form of rational numbers expressed as decimals. They work with numbers in base 60.
Lesson Plan
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The Difference of Two Squares

For Teachers 8th - 10th
Students practice the use of number properties through exploring the difference of two squares, creating an array model for multiplication, and work with decimal numbers. In groups, students explore patterns in an array and determine...
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Quickies

For Teachers 6th - 8th
In this math problem solving worksheet, middle schoolers answer 5 problems in 10 minutes. The problems include a variety of questions that could be solved by students who have had geometry and algebra.
Lesson Plan
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More Equations - Week 8 (Consecutive Numbers)

For Teachers 12th - Higher Ed
In this consecutive numbers worksheet, students determine consecutive numbers in a sequence, solve problems using the quadratic equation, and examine coefficients. This two-page worksheet contains eight problems.