Curated OER
Aluminum Can Challenge
In this math challenge worksheet, learners are given a set of proportions needed to answer a set of 10 related questions. Additional information about recycling aluminum cans is given.
CK-12 Foundation
Equations with Variables on Both Sides: Rubber Ducky Math
Rubber ducky, you're the one ... to help solve equations. Young mathematicians use an interactive to set up a situation involving rubber ducks. This helps users visualize and solve an equation with variables on both sides.
CK-12 Foundation
Expression Evaluation with Basic Operations: Math Detective
Placement of parentheses is paramount. Scholars adjust the location of parentheses in a numerical expression so its value matches a given value. A slider interactive helps with this task.
Little White Bear Studios
TanZen - Relaxing Tangram Puzzles
An ancient puzzle game meets a modern implementation. Challenge mathematicians of all ages with this mind-bending geometric puzzle game. 
Curated OER
Vocabulary Challenge
In this math vocabulary worksheet, students choose which multiple choice answer best defines twenty-five mathematical terms. Students place their answers on the lines provided.
Curated OER
Challenge: Powers of 10
Youngsters respond to 10 problems that require them to calculate the products of the powers of 10 and write numbers in exponent form.
Curated OER
Math Mouth!
Students examine and discuss math vocabulary. They participate in various games involving the math vocabulary. Use this as a supplement. 
Curated OER
"Reality Math: Fact or Fiction"
Students investigate the use of math in everyday life. They investigate several occupations and pay scales. They complete spreadsheets that show how monthly bills can be organized using technology. They use word processing software to...
Simply Worksheets
Math in the Car - Easy
In this car math instructional activity, students play games of math in the car involving license plates, speed signs, and more. Students complete 4 problems.
Simply Worksheets
Math in the Car - Hard
In this car math games instructional activity, students play car math games about license plates, speed, and numbers. Students play 3 games.
Curated OER
Challenge your 4th-8th grade kids with the Math Olympiads
Discover this great program for challenging and training advanced math learners.
CK-12 Foundation
Geometric Sequences and Exponential Functions: Bouncing Ball
Explore a geometric sequence model through a simulation. Learners change the starting drop height of a ball and watch how the heights of following bounces change. They consider the ratio of the consecutive bounces as they analyze...
CK-12 Foundation
Scientific Notation: Light Years to Centaurus Constellation
Connect scientific notation to a real-life situation. Measuring distances in our solar system require large numbers. As pupils make conversions using these large numbers, they begin to see the necessity of scientific notation. They...
CK-12 Foundation
Two-Step Equations with Subtraction and Multiplication: Cupcake Equation
Solving equations is a piece of cake. Young mathematicians use an interactive to create a bar model to representing a situation involving cupcakes. They use the model to solve for the cost of a cupcake.
CK-12 Foundation
Checking Solutions to Equations: Taxi Cab Calculations
Ride to success in checking solutions to equations. Scholars use an interactive graph to identify points that are solutions to a linear equation. Interpreting these points in terms of the context completes the activity. 
Inside Mathematics
Graphs (2007)
Challenge the class to utilize their knowledge of linear and quadratic functions to determine the intersection of the parent quadratic graph and linear proportional graphs. Using the pattern for the solutions, individuals develop a...
EngageNY
Modeling a Context from a Verbal Description (part 2)
I got a different answer, are they both correct? While working through modeling problems interpreting graphs, the question of precision is brought into the discussion. Problems are presented in which a precise answer is needed and...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 3)
In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....
CCSS Math Activities 
Smarter Balanced Sample Items: 6th Grade Math – Target E
When US citizens travel throughout the world, they often need to know how to convert temperatures from Fahrenheit to Celsius. Young mathematicians practice applying the formula as well as other algebraic equations as part of a...
Concord Consortium
Short Pappus
It's all Greek to me. Scholars work a task that Greeks first formulated for an ancient math challenge. Provided with an angle and a point inside the angle, scholars develop conjectures about what is true about the shortest line segment...
Curated OER
Math Challenge
Young scholars, using laminated math flash cards, play a review game with a partner. Also using Polyspots, they run, walk, or skip to the board with their answers.
ABCya
Math Bingo
It's sometimes the simple games that really grab a learner's attention. With this game-like app, young mathematicians can practice addition, subtraction, multiplication, and division facts. When they reach new high scores, they collect...
Institute of Electrical and Electronics Engineers
Sugar Crystal Challenge
Blow your learners' minds with a sweet lesson on nanotechnology that uses sugar to demonstrate the difference nanoscale surface area makes in dissolving and crystal formation. Plenty of supportive background information is read to...
Curated OER
Books, Books, Books
For this consumer math challenge worksheet, students solve problems using the titles and prices of books at a book fair. Students solve 4 problems.