Baylor College
Air: The Math Link
Inflate this unit on the science of air with these math skills practice and word problems. Accompanying the children's story Mr. Slaptail's Secret, this resource covers a wide range of math topics including the four basic...
Noyce Foundation
The Wheel Shop
Teach solving for unknowns through a problem-solving approach. The grouping of five lessons progresses from finding an unknown through simple reasoning to solving simultaneous equations involving three and four variables. Each lesson...
US Department of Commerce
Over the Hill - Aging on a Normal Curve
Nobody is too old to learn something new. Young statisticians analyze census data on the percentage of the population older than 65 years old in US counties. They fit a normal distribution to the data, determine the mean and standard...
KenKen Puzzle
KenKen® Puzzle
Think inside the box with KenKen® puzzles to provide some problem solving practice. These puzzles are similar to Sudoku, but require computation inside designated boxes. There are multiple puzzles with a range of difficulties to...
Noyce Foundation
Miles of Tiles
Create number sentences and equations to solve geometric problems. Each activity in the series of five asks young mathematicians to consider different-sized tiles to build structures according to specific criteria. The first activities,...
Illustrative Mathematics
Shrinking
Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.
PBL Pathways
Potassium-Argon Dating
Find the age of a fictional sample of rocks using a genuine approach. A well-designed lesson asks young mathematicians to use exponential modeling to analyze half-life. As a project-based learning activity, scholars communicate...
Howard County Schools
Maria’s Quinceañera
How long will it take to save up for a car? Classmates use linear and exponential models to see how money received during a Quinceanera will grow over time.
Howard County Schools
Generous Aunt
Witness the power of exponential growth with an activity that investigates two different savings plans. Class members create tables of values to see how and when a savings plan increasing exponentially exceeds one increasing linearly.
Smithsonian Institution
What's the Code? Coding Robot Movements Using Sound
Tap into the desire to learn about computer codes. Pupils apply the Tap Code and the Polybius Square to send secret codes using sound. They design a code that tells a robot what movements to make and then test out their code using one of...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Age Word Problems
Dr. Math walks you through the necessary steps to solve age problems. Additional examples are included.
University of Cambridge
University of Cambridge: Maths and Sports: The Olympic Flame: Are You in the 95%?
The organisers of the Olympic Torch Relay hope that the planned route means that the Torch will come within 10 miles of 95% of the population of Britain. Has this worked? This activity can be approached at different levels by a wide...
Other
At Home With Math: Activities for Parents and Kids
These ten math activities encourage parents and their children ages 5-11 to work with math in the context of everyday activities like taking turns, saving money, or getting somewhere on time.
University of Cambridge
University of Cambridge: Nrich: Brothers and Sisters
Figure out the ages of the children in this family using the clues and your sound algebraic thinking. Check the solution after you complete the problem.
Ministry of Education and Employment of Spain
Red Escolar: El Crucigrama De Hipatia
In Spanish. Hypatia of Alejandria was a great mathematician that from an early age taught and investigated almost all branches of mathematics. To remember her solve the crossword puzzle involving problems of arithmetic, geometry and...