Curated OER
Solving Linear Inequalities
Walk the class through the steps of how to evaluate linear inequalities in one variable and graph the solution set. Define and discuss key vocabulary terms, then have individuals work problems of varying difficulty. Included are word...
Curated OER
Quick Graphs of Linear Equations
Graph equations of lines using the slope-intercept method or by plotting both x and y intercepts. Determine if two lines are parallel or perpendicular by comparing their slopes. This handout includes step-by-step directions and four...
Curated OER
Modeling: Having Kittens
Cats can't add, but they do multiply! Determine the number of descendants of a single cat given specific facts about cats and kittens. The lesson focuses on developing strategies for problem solving using both individual and group work....
Curated OER
Cruising
Cruise ships offer many engaging opportunities for real-world math adventures. These large, floating cities use resources with numbers into the thousands place. Young mathematicians are asked to calculate numerical information relevant...
Curated OER
Extending the Definitions of Exponents, Variation 2
Introduce the concept of exponential functions with an activity that extends the definition of exponents to include rational values. Start with a doubling function at integer values of time, then expand table to include frational time...
Curated OER
Rain and Lightning
What are the chances that there will be rain and lighting today? Use this activity to study independent and dependent probabilities with your class. Learners explore the differences between P(A and B) and P(A or B) using mock weather...
Curated OER
The Titanic 1
Were your chances of surviving the sinking of the Titanic better if you were a first-class passenger? Capture learners' attention with actual historical data to find the answer. They use two-way tables to calculate conditional and...
Curated OER
The Titanic 3
Can survival rates on the Titanic be explained by the "women and children first" policy or did rescue procedures favor the wealthy? Use actual historical data to explore conditional probability and independent events with your class....
Curated OER
The Titanic 2
Did the rescue procedures on the Titanic favor the first-class passengers? Use actual historical data to explore independent and dependent events with your class. Part of a series of worksheets, but can be used separately.
Illustrative Mathematics
1.OA, NBT, The Very Hungry Caterpillar
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...
Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing them to...
Curated OER
Carnival Tickets
A great subtraction and division discovery opportunity for young mathematicians, this learning task involves seven word problems that require multiple steps. Learners use a math table to persevere in solving problems that are supported...
Curated OER
Egyptian Fractions
You don't have to be an ancient Egyptian to decipher fractions in this activity that focuses on adding fractions with unlike denominators and developing fraction number sense. Egyptians represented fractions differently than we do. They...
Curated OER
Drinking Juice
Pictures, number lines, decimal equivalents, or Cuisenaire rods can be used to show insight into the meaning of multiplying fractions.Here, Alisa drinks 3/4 of 1/2 liter of juice. To find the total volume of the juice that Alisa drank,...
Curated OER
Do These Add Up?
Common Core mathematical practices require that young mathematicians not only know how to add fractions with unlike denominators, but also to recognize when adding fractions are appropriate for the word problem. Fifth graders are given...
Agile Mind
Isabella’s Credit Card
An in-depth activity that involves a real-world problem about credit card debt. Learners are given a scenario in which Isabella plans to stop using her credit card and pay off the balance by paying a fixed amount each month. The first...
Curated OER
Humongous Vegetables
Humongous vegetables can inspire and awaken your mathematicians to the large math concepts in our Common Core standards. What is the secret to growing such gargantuan garden objects in Alaska? In the state that is closest to the North...
Yummy Math
Curiosity Landed on Mars
Out of this world math and science are mixed together on a activity that would be a great enrichment activity classrooms that are studying our solar system. The information presented is best suited toward middle school math, and...
Curated OER
Light Bulbs are Almost Burned Out
Incandescent light bulbs were enlightening more than 130 years when Thomas Edison invented them. More recently, US Congress passed legislation to increase efficiency standards. Your 5th, 6th, or 7th graders will be enlightened as they...
Illustrative Mathematics
Making S'Mores
Fifth graders will be clamoring for s'more fractions after they finish this one! Motivated by a chocolate bar used for a yummy campfire treat, learners have to decide how to add fractions without like denominators by discovering the...
Illustrative Mathematics
Jog-A-Thon
Adding fractions with unlike denominators can be cloudy, but attaching the fractions to real-life math can add to fraction number sense. Alex needed to run only a mile, will completing the training in two segments satisfy this...
Illustrative Mathematics
Painting a Wall
Red and yellow do not make orange in this activity, but they do create a real-life, multiplication of fractions word problem. As either a lead-in or an assessment, math masters display their understanding of 1/2 x 5/6 when a wall needs...
Curated OER
Finding Common Denominators to Subtract
Subtracting fractions with unlike denominators can be overwhelming, but in this task, 5th graders work systematically to break down the procedure through three questions. The first two questions ask for pictures to be drawn along with...
Curated OER
Comparing Investments
Money, money, money. A complete lesson that makes use of different representations of simple and compound interest, including written scenarios, tables, graphs, and equations to highlight similarities and differences between linear and...