EngageNY
Exponential Decay
I just bought that car, how can its value decrease already? Individuals use the data of a depreciating car value to create an exponential decay model. They then compare exponential decay and growth equations.
Mathematics Vision Project
Module 4: Rational Functions
Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...
Illustrative Mathematics
Equivalent Expressions
Here is a straight-forward problem of multiplying two binomials with a twist. It is up to algebra learners to decide how to turn this product of sums into a sum of products. However, it is not the quadratic that is the answer; it is the...
Kenan Fellows
A Farmer’s Challenge to Breed to the Greatest of Grapes
What does your class know about GMOs? Are they savvy to selective breeding? Challenge young minds to engineer the greatest crop of all time using a hands-on genetics unit. Learners discover the good and bad details of selective breeding,...
Mathematics Assessment Project
Representing Polynomials
Use this complete and very detailed lesson plan to assess your students' understanding of two important behaviors of polynomials. The first is the relationship between the zeros of a polynomial function and the function's graph, and the...
Statistics Education Web
Who Sends the Most Text Messages?
The way you use statistics can tell different stories about the same set of data. Here, learners use sets of data to determine which person sends the most text messages. They use random sampling to collect their data and calculate a...
Visa
Living On Your Own
Learners gain a realistic understanding of what is required for independent living. They begin by setting up a budget based on needs and lifestyle, and then use worksheets and a presentation to practice such skills as reading a rental...
Visa
Credit
What are the advantages and disadvantages of having a credit card? Don't miss this important life skills and financial literacy activity, which focuses on consumer responsibilities, creditworthiness, and establishing a credit history.
Northeast Foundation for Children, Inc.
Classroom Setup: Grade 3
There's a lot of thought that goes into setting up safe and supportive classroom environments. From establishing a whole group meeting area and arranging desks, to organizing classroom supplies and creating bulletin board displays, this...
Curated OER
Trina's Triangles
Practice evaluating polynomial expressions at the same time you find Pythagorean Triples. Look for patterns and find examples when the "formula" does and doesn't work. Finally, verify the formula by proving the identity true.
Curated OER
Writing Variable Expressions for Physical Models
Explore the concept of writing variable expressions by examining the similarities between expressions with numbers and expressions with variables. Emerging mathematicians determine rules for sequences and patterns before writing a rule...
Curated OER
Multiple Ways to Add and Subtract
Third graders recall multiplication facts to tens. They recall factors of numbers generated by multiplication facts to ten. Students become familiar with the use of brackets in notation. They multiply two digit numbers by a single...
Curated OER
Factoring Quadratic Expressions
In this Algebra II worksheet, 11th graders factor quadratic expressions. The two page worksheet contains explanation of topic, worked examples, and three practice problems. Answers are not included.
Curated OER
Divisibility Rules
Eighth graders explore Excel and discover rules of divisibility for the numbers 2, 3, 4, 5, 6, 9, and 10; students examine multiples of 2 using pencil/ paper, then create a chart in Excel that will allow them to more easily see patterns...
Curated OER
Team Puzzles
Fourth graders work in co-operative teams of four to complete a puzzle. Each student initially works independently, and then the team jointly puts together the four shapes they have individually made, to complete the puzzle.
Curated OER
Fractions
In this fractions worksheet, students solve and complete 4 different types of problems. First, they cancel the fractions to their lowest terms. Then, students complete each equivalent fraction. In addition, they mark each of the...
Curated OER
Fractions, Decimals and Percentages
In this fractions, decimals and percentages worksheet, students change percentages to fractions and simplify. An answer key is provided.
Curated OER
Simplifying Fractions
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
Illustrative Mathematics
Comparing Products
How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...
Curated OER
Fractions Everyday
Students investigate fractions through interactive videos and hands-on activities and class made models.
Curated OER
Matrix Operations
Here is a worksheet to practice or review basic matrix operations of addition, subtraction, and scalar multiplication. First, define and discuss key vocabulary terms, then have individuals work five simple problems. There are detailed...
Curated OER
Chesapeake Bay Population Studies
Students determine how to use a quarter meter quadrant to find population density, relative density, frequency and how to calculate a diversity index while participating in a virtual field trip. They study how to establish a Correlation...
Curated OER
Multiplying Mixed Numbers
in this math activity, students combine the factors of mixed numbers in order to get the correct products. The answers are also accessible.
Curated OER
Forces on the Human Molecule
Young scholars conduct several simple lab activities to explore the five fundamental load types that can act on structures: tension, compression, shear, bending, and torsion. In this activity, students play the role of molecules in a...