Education Development Center
Integer Combinations—Postage Stamps Problem (MS Version)
Number patterns can seem mysterious. Help your learners unravel these mysteries as they complete an intriguing task. Through examination, collaborative groups determine that they are able to produce all integers above a certain...
Curated OER
Paper Pool
Students analyze the measurements of rectangles. In this analysis lesson, students will investigate patterns by looking at ratios. Students will also hypothesize the probability of a ball going into a certain pocket when playing pool....
Curated OER
Factoring Trinomials
In this factoring trinomials worksheet, 9th graders solve and complete 18 different problems that include identifying the product and sum of numbers. First, they factor the GCF from each group of numbers and complete. Then, students...
Curated OER
Factoring Differences of Squares
For this factoring worksheet, students factor each polynomial, if possible. If the polynomial cannot be factored, students write the word "prime". There are 42 problems on this worksheet.
Curated OER
Finding the Least Common Multiple
For this finding the least common multiple worksheet, 6th graders use two methods, a list of multiples or prime factorization, to find least common multiples.
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
Perfect Squares and Factoring
In this perfect square worksheet, students factor perfect square trinomials and polynomials. They identify trinomials and polynomials that are perfect squares. This one-page worksheet contains 21 problems.
Curated OER
Digging, Smelting and Forging: But Why in Pennsylvania
Learners examine the history of the iron industry in Pennsylvania. In this iron industry activity, students learn about Israel Acrilius and his role in the iron industry. Learners identify natural resources used in forging iron. Students...
Curated OER
The Quadratic Formula
Students solve quadratic function by completing the square. In this algebra lesson, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
Curated OER
Functions and Logarithms - Week 4
In this function and logarithm instructional activity, students solve function problems by finding the sum of the digits. They use logarithms to solve graphing problems and find the number of prime numbers. This three-page instructional...
Curated OER
America's Heartland
Students complete geography and trade activities about global trade. In this geography and trade lesson, students read information to learn about absolute advantage, comparative advantage, trade factors, U.S. trade partners, and...
Curated OER
The Commutative Cookie
Third graders investigate the commutative properties of multiplication and focus upon the setting of cubes in the correct patterns to solve problems. They differentiate between numbers that have multiple factors and prime numbers....
Curated OER
Euclidean Algorithm
Learners are introduced to the concept of a Greatest Common Divisor. They review the number systems. Students are told how the entire field of Number Theory primarily uses the integers. They are told the Fundamental Theorem of Algebra.
Curated OER
How to Get Rich Slowly
Fourth graders discover how to budget in order to live in today's world. Allocating their resources is of prime importance in the monthly budget. They utilize a worksheet imbedded in this plan to figure out their monthly budget.
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
PBS
Working with Common Denominators: Activities and Supplemental Materials
Enjoy these straightforward and simple activity 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.
PBS
Working with Common Denominators: Assessments
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice.
PBS
Add, Subtract and Multiply Fractions
Your future chefs will appreciate this comprehensive lesson where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to multiply a whole...
Curated OER
Division word problems
In this division instructional activity, students complete division word problems. Students complete 10 multiplication problems that pertain to the concept of division.
Curated OER
Adding and Subtracting Rational Expressions
In this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
Curated OER
Equivalent Fractions and Simplest Form reteach 9.6
In this equivalent fractions and simplest form worksheet, students review the processes and find the simplest form of the equivalent fractions. Students solve twelve problems.
Curated OER
Volume
In this volume worksheet, students determine the number of cuboids needed to create a rectangular prism of a particular size. They determine the mass, volume and density of cereal boxes. Students determine the volume of rectangular...
Facing History and Ourselves
The Power of Images
One picture but a thousand stories. As a part of a case study of how the death of Michael Brown was reported by professional news sources and on social media class members examine the reactions of various groups to a photograph taken by...
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...