Curated OER
The Farmer's Sheep II
Fourth graders listen to the story of a farmer who only likes to be able to see nine sheet from his window. His wife has brought him another sheep - what now? They work together in pairs to solve the problem and share solutions.
Curated OER
A4 Containers
Fifth graders determine which container made from a single sheet of paper has the greatest volume. They look the solutions made by three different students before working on their own examples.
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Base 3
Students investigate this problem that aims to give a better idea of our decimal system by looking at a comparable system - the base 3 system. By seeing how base 3 numbers work students should have a better appreciation of base 10...
Curated OER
Time Problems
Students make sensible estimates and check for reasonable results. They also solve problems with positive and negative integers using practical activities or models as needed.
Curated OER
From a Square to a Rectangle
Eighth graders solve problems involving percentage increases and decreases. Using given percentages, 8th graders transform a square into a rectangle. They apply the area formulas for squares and rectangles.Students observe the percent...
Curated OER
Lara's Equiprobable Dice
Students try some new exercises involving probability. These are, first of all, that the probability of getting a given total when two dice are rolled is equal to the number of possible ways of getting that total, divided by 36 (the...
Curated OER
In the Path of the Ancients: Unearthing Formulas for Area
High schoolers apply the formulas for the area of parallelograms and triangles. Through guided practice, students discover the correct way to apply the formulas. Working in pairs, they write their own problems featuring the formulas.
Curated OER
Nuts & Bolts: is Classification, Arbitrary, Or Not?
Learners, in groups, classify furniture, share their categories and rationales, then note how their different schemes vary, perfectly logical and useful, but completely arbitrary.
Curated OER
Marshmallows
Third graders estimate the volume and mass of one marshmallow using appropriate standard units. They design and carry out an investigation to find the average of volume/mass of one marshmallow.
Curated OER
Ohio Census 1990 & 2000
Students use Ohio census data to solve problems, make comparisons, draw conclusions, and support predictions related to Ohio's population. They interpret and work with pictures, numbers and symbolic information.
Curated OER
Energy Choices
Students add and multiply decimals to complete gas choice worksheets. They discover which gas supplier has the best gas prices. Students collect and interpret data about local natural gas suppliers and use this information...
Curated OER
Drip, Drip, Drip
Learners gather scientific data and be able to utilize the data to generalize results over a long period of time. They use the appropriate tools to measure quanities of liquids and analyze the data to determine the cost of a leaky faucet.
Curated OER
Brian's Pegboard I
Third graders focus on developing a systematic approach to problem solving while working on a problem that requires them to determine possible outcomes. They use a pegboard as a manipulative in this problem.
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Brian's Pegboard II
Learners are able to assess a problem and use systematic methods to solve the problem. They also find out all the possible outcomes for a sequence of events using tree diagrams.
Curated OER
Mathematical Magazines
Students use ads from magazines to create data to be measured and apply the skill of estimation. They record the percentage of magazine ads that could be separated into different categories made by students through the use of logical...
Alabama Learning Exchange
Factoring by Mack
Learners explore the concept of factoring trinomials. In this factoring trinomials lesson, students use the Mack Method to factor trinomials. Learners watch a video on how to factor a trinomial with a coefficient of 1 with the x...
Curated OER
Keyboarding - Fractured Fractions
Sixth graders use keyboarding skills to find the "fractional part" of a word.
Curated OER
The Fourth Quadrant of Proportiona
Students experiment with scale to solve a problem presented in a video clip. They determine the correct size to use when constructing a model and evaluate the use of proportions in real life applications.
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
Curated OER
Sequencing the Daily Calendar
Students identify the passage of time. They also practice with basic mathematical concepts.
Curated OER
Keynesian Economics and Fiscal Policy
Students examine and analyze the characteristic problem of each phase of the business cycle. Students articulate the appropriate choices for each of the problems described. Students apply the writing process to write an essay.
Curated OER
Angle Pairs
Students practice identifying right, vertical, and adjacent angles using a Smartboard. They then determine measurements of all of the angles when only one measurement is given.
Curated OER
Learning Birthdays With Chinese Calendar
Students participate in a visual arts lesson that focuses on patterns used in a macaroni necklace that represents the students' birthdays in the Chinese calendar. They compare the Chinese calendar to the one used in America and look at...
Curated OER
Problem Definition
Students state the characteristics of a problem definition. They write a project definition based on given background information. Students write a project definition for your project. They edit/write their project definition after...