Curated OER
Be Screen Free for a Week
Challenge yourself to completely close all of your electronic screens for seven straight days!
Illustrative Mathematics
Harvesting the Fields
This problem involving rates may look simple at first, but it is actually quite challenging. Two different sized fields are harvested by a team of workers and learners must use different rates to calculate the number of workers on the...
Denver Art Museum
Alien Beauty
"Beauty is in the eye of the beholder," is a popular phrase in our society. The lesson here puts the phrase to the test as pupils explore what truly is beautiful through a study of some Japanese folk art. A careful examination of the...
Key Stage Fun
Squeebles Fractions
We are not exactly sure what a Squeeble is, but apparently they love cake and fractions, and your little bakers-turned-mathematicians will also. This app focuses on the basics of fractions including modeling fractions, equivalent...
Illustrative Mathematics
An Integer Identity
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
Chapman University
Fundamental Theorems of Mathematics
There are four fundamental theorems of mathematics: arithmetic, algebra, calculus, and linear algebra listed here. Each one is described on this poster or handout. The challenge for a student of math is to figure out why they are...
Two Lives Left
Cargo-Bot
What would you think of an app that provides a creative introduction to an important 21st century skill, challenges learners at many levels, and is an addictively, fun game? Did we also mention it was free? We think you will find all...
Lincoln Public Schools
Cereal Box Project
Challenge your class with this fun and engaging engineering design project. The goal, to create a brand new cereal complete with a list of ingredients, a name and logo, and a box to hold it in. Starting with a survey to determine the...
Illustrative Mathematics
Counting Squares
Challenge young mathematicians' understanding of squares with this geometry puzzle. The task is simple, identify as many squares as possible in a 3x3 array. Allow learners to work independently or in pairs as they search for squares,...
Illustrative Mathematics
Overlapping Rectangle
Challenge young mathematicians' ability to compose and decompose shapes with this fun geometry puzzle. The goal is simple, locate all of the rectangles shown in a picture of three overlapping rectangles. Perform this activity as a whole...
Ask a Biologist
Human Skeleton Anatomy Activity
Young biologists piece together the puzzle of the human body with this simple anatomy worksheet. Presented with a picture of the human skeleton, students are challenged with the task of correctly identifying the 27...
Voyage Solar System
Round and Round We Go — Exploring Orbits in the Solar System
Math and science come together in this cross-curricular astronomy lesson plan on planetary motion. Starting off with a hands-on activity that engages the class in exploring the geometry of circles and ellipses, this lesson...
Curated OER
Sphere Dressing
Geometric design makes a fashion statement! Challenge learners to design a hat to fit a Styrofoam model. Specifications are clear and pupils use concepts related to three-dimensional objects including volume of irregular shapes and...
Journey Through the Universe
A Scale Model Solar System
Between the time scientists discovered Pluto and reclassified it as a dwarf planet, it did not even make one full revolution around the sun. In two activities, scholars investigate scale models and their properties. Pupils find that it...
Constitution Facts
U.S. Constitution Crossword Puzzles: Expert #1
Who became US Chief Justice in 1801? Which delegate from New York advocated a strict constructionist interpretation of the US Constitution? What is the term given to the chief or one of several import crops regularly grown and sold in a...
Math Wire
SnowDaySnowDaySnowDaySnowDay...
How many times can you cheer about a snow day before you get to the 100th letter? Find out with a creative word problem that challenges young mathematicians to determine what the 100th letter will be in a sequence of letters.
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