Curated OER
Greatest Common Factor #2
In this GCF worksheet, students fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
Curated OER
PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
Curated OER
Lower the UK voting age?
Students explore the designs of the voting age in UK. Students relate the topic to their own legal rights to vote. Students take a quiz to poll all the answers. Students present findings to the class.
Curated OER
NEWS FLASH
Students research an assigned year and write a newspaper headline. For this WWI lesson, students design a newspaper headline to share with the class. Students evaluate news coverage related to the Holocaust and discuss how they can stay...
Illustrative Mathematics
An Integer Identity
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
Curated OER
Patterns in Pascal's Triangle
Students examine the patterns that exist in Pascal's Triangle. They explore multiples and factors. Sudents use an applet to create and color the multiples in Pascal's Triangle.
Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Curated OER
The Quadratic Formula
Students solve quadratic function by completing the square. For this algebra lesson, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
PBS
Working with Common Denominators: Activities and Supplemental Materials
Enjoy these straightforward and simple worksheet pages that practice with different denominators. The practice starts simple with adding fractions together and then works on a recipe that needs to be tripled.
Curated OER
Discovering New Units
Young scholars use Cuisenaire rods to explore common denominators. In this fractions lesson, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
Virginia Department of Education
Rational Expressions
Demonstrate the progression of operations with rational expressions through a multi-day lesson, equipped with worksheets for each day. High schoolers develop the concepts needed to perform operations with rational expressions. They learn...
Virginia Department of Education
Factoring
Uncover the relationship between factoring quadratics and higher degree polynomials. Learners develop their factoring skills through repetition. A comprehensive instructional activity begins with quadratics and shows how to use the same...
Pennsylvania Department of Education
Analyzing Numeric and Geometric Patterns of Paper Pool
Students use concrete and pictorial representation of geometric patterns to extend patterns. In this geometric patterns lesson plan, students identify patterns and extend them.
Curated OER
More Equations - Week 8 (Consecutive Numbers)
For 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.
Curated OER
Hunt the Fact Monster Hunt #25
In this Internet research worksheet, students use the Fact Monster search engine to find the answers to two multiple choice and eight short answer questions.
Curated OER
Catcher in the Rye: Chapters 18-20 Venn Diagram
Well into Catcher in the Rye, when things are looking bleak and your readers may be needing some levity, read the picture book The Perfect Square by Michael Hall. Then use the Venn diagram included to compare how Holden Caulfield and the...
Curated OER
Where in the Latitude Are You? A Longitude Here.
Students distinguish between latitude and longitude on the map. In this mapping lesson, students participate in mapping skills to recognize spatial relationships, and where to find natural resources on the map. Students create their own...
Curated OER
Belongs, Doesn't Belong
Fifth graders discover the rule used to sort a set of data into two sets, those data that belong according to the rule and those data that don't belong. Students participate in a game to determine the rule. They discuss strategies for...
Curated OER
Factors and Multiples
Sixth graders need to see the relevance in the mathematics they learn. This lesson builds on the concepts of least common multiple and greatest common factor. The lesson presents real-world problem situations for students to solve.
Curated OER
Lesson Plan on Latitude and Longitude
Sixth graders identify at least ten places on the world map using given longitude and latitude points. They identify the longitude and latitude of ten places on the world map.
Curated OER
What Time Is It? (Latitude and Longitude)
Students practice latitude and longitude by identifying locations by degrees, use meanings of a.m. and p.m. appropriately, become familiar with 24-hour (universal) clock, and calculate time at different degrees longitude.
Curated OER
Welcome to Our Classroom!
Students observe a piece of artwork by Rafael Ferrer that surrounds an archway. They discuss the sculpture and design an archway for the classroom door.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Relatively Prime Numbers and Polynomials
Find a quick, concise explanation of relatively prime numbers and how this concept applies to polynomials. Examples are given and clearly explained.
Wolfram Research
Wolfram Math World: Relatively Prime
This explanation of relatively prime numbers includes many links to related definitions. The site includes some interesting facts about relatively prime numbers, including probability with respect to integers and relatively prime...