Mathematics Assessment Project
Generalizing Patterns: The Difference of Two Squares
After completing an assessment task where they express numbers as the difference of squares (i.e., 9 = 5^2 – 4^2), class members note any patterns that they see in the problems.
Illustrative Mathematics
Gifts from Grandma, Variation 3
There are three money word problems in this activity, each one is set in the same context. The first asks what was the total amount grandma spent, the second how many grandchildren grandma has, and the third asks how much grandma spent...
EngageNY
Graphing Quadratic Functions from Factored Form
How do you graph a quadratic function efficiently? Explore graphing quadratic functions by writing in intercept form with a lesson that makes a strong connection to the symmetry of the graph and its key features before individuals write...
Curated OER
The Numbers Game
If you have extra class time after a test or assignment, provide your class with this set of equations. There are 34 equations listed, and they are tough! For example, learners must solve 5280=F. in a M. This equation stands for feet in...
Illustrative Mathematics
Security Camera
A different-than-normal problem that allows learners to practice their reasoning to find an answer. The problem bases itself off a graph drawing of a store that needs to install security cameras. The challenge is to find which placement...
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...
Mathematics Assessment Project
Sorting Equations and Identities
Identify the identity. Learners first solve equations to find the number of solutions. Scholars then determine if given equations are always, sometimes, or never true, leading to the concept of identities.
Statistics Education Web
Odd or Even? The Addition and Complement Principles of Probability
Odd or even—fifty-fifty chance? Pupils first conduct an experiment rolling a pair of dice to generate data in a probability lesson. It goes on to introduce mutually exclusive and non-mutually exclusive events, and how to use the...
EngageNY
Modeling a Context from a Verbal Description (part 1)
When complicated algebraic expressions are involved, it is sometimes easier to use a table or graph to model a context. The exercises in this lesson are designed for business applications and require complex algebraic...
Howard County Schools
Getting Paid for School
What if you were paid to attend class? What kind of payment schedule would you choose? Learn how exponential functions will eventually exceed linear functions by comparing two different payment schedules for attending class.
Willow Tree
Surface Area of Three-Dimensional Figures
Lateral area and surface area are simple concepts, but calculating them is not as easy! Using formulas, learners calculate lateral area and surface area for the same three-dimensional figures. The resource discusses the formula variables...
Virginia Department of Education
Angles in Polygons
Polygons — it's all about the angles. Groups work with dynamic geometry software to find the sum of the measures of the angles of various polygons. After finding the information for several polygons, the groups generate a formula that...
Statistics Education Web
Did I Trap the Median?
One of the key questions in statistics is whether the results are good enough. Use an activity to help pupils understand the importance of sample size and the effect it has on variability. Groups collect their own sample data and compare...
Curated OER
Rolling Marbles
Students develop and use problem solving strategies to mathematically solve a word problem involving marbles. They solve the first part of the problem together as a class, and in small groups solve and write a solution for the problem...
Curated OER
Problem-Solving Math 1
Students discuss the different ways we use numbers in everyday life. They walk around the classroom for 5 to 10 minutes, students are asked to point out examples of numbers they find in the room. Students are asked to image a world...
Curated OER
Math Activity: "Snake"
Fourth graders explore patterns by participating in a class math activity. In this early algebra lesson, 4th graders utilize a die and chart to keep record of a snake game in which students must utilize a math function to solve a problem...
Curated OER
Solving Equations as Word Problems: Practice B
Ninth graders investigate solving word problems. In this Algebra I lesson, 9th graders explore the four step process for solving word problems: Step 1-make a table of values, Step 2-identify the constant, Step 3-indetify the...
Curated OER
Applications and Problem Solving Using Quadratic Equations
In this math worksheet, pupils solve problems in the form of quadratic equations after translating into expressions from words.
Curated OER
Multiplication Math Problems
In this multiplication worksheet, students problem solve 62 multiplication math problems involving multiples of 3, 4, 5, 6 and 9.
Curated OER
Math Lesson Plan: Bread Bag Tabs: Patterning
Students explore the concept of patterning. In this patterns lesson, students use recycled plastic tab closures as well as their problem solving skills to identify and create patterns.
Curated OER
Space and Shape in Geometry:
Young scholars are asked to visualize three-dimensional figures and apply this visualization to problem solving.
Curated OER
"Weighing the Elephant"
Can your class solve the problem presented in the Chinese folktale, "Weighing the Elephant?" Read your class the description before having them attempt to solve the problem. After they've come up with an answer (or attempted to!), finish...
Curated OER
Right on Time
The hour is nigh for your class to practice equivalency problems in the form of time-zone conversions. They write equations to describe elapsed time and apply problem solving strategies, including writing a plan, to solve the problems.
Curated OER
What Is It?
You have to love lessons that foster problem solving strategies. This one has upper graders devise and employ their own strategy to solve given problems after they have used classics like guess/check, substitution, make a table, and look...