Curated OER
Integer
Seventh graders examine the characteristics of an integer. As a class, they observe a number line and recognize opposite numbers. Algebra tiles, or counters, are used to explore the concept of adding integers. In groups, 7th graders play...
Curated OER
Naturally Magnetic Elements
Students explore naturally magnetic elements. In this magnets lesson, students examine the periodic table of elements. Students discover the parts of an atom and determine which three elements are magnetic.
Curated OER
The Fall of the Dollar
Students synthesize the basic workings of the international market for foreign exchange, especially how exchange rates are determined, how the value of a nation's currency is connected to its international trade, and how governmental...
Curated OER
Intro To The Number Line
Students identify numbers as having a magnitude and direction. They practice to order whole numbers and fractions on the number line. In addition, they practice these skills with describing places they've visited before.
Curated OER
Time Problems
High schoolers make sensible estimates and check for reasonable results. They also solve problems with positive and negative integers using practical activities or models as needed.
Illustrative Mathematics
Fractions on the Number Line
Fractions are a common fear in school, but visualizing them on a number line can help your learners understand their relationship to one another. The activity provides two solutions; use either a number line or a common denominator....
Curated OER
Slope, Vectors, and Wind Pressure
A hands-on lesson using the TI-CBR Motion Detector to provide information to graph and analyze. The class uses this information to calculate the slope of motion graphs and differentiate scalar and vector quantities. There is a real-world...
Curated OER
Building Sets of 13 and 14
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
Curated OER
7th Grade Scientific Notation
Middle-school mathematicians identify the need for scientific notation. Learners convert large and small numbers into scientific notation. Students review the powers of ten and write them on the board in standard form and scientific...
Curated OER
To Infinity: A Numbers Game
Students explore number values by participating in a class game. In this number sense lesson, students utilize dice, cards, and chess pieces to move their piece closer to the end of a number line, the point of infinity. Students answer...
Curated OER
Slope of a Function
Seventh graders explore the concept of the slope of a line. They see how to determine the direction of the line. Also students are introduced to the slope intercept algebraic expression in conjunction with the rise/run.
Curated OER
Lines of Fit
Students solve equations dealing with best fit lines. In this algebra lesson, students solve problems by analyzing data from a scatterplot, and define it as positive, negative or no correlation. They classify slopes the same way as...
Curated OER
Atomic Structure
Students are introduced to moles and Avogadro's number, Bohr's model, Atomic emission spectra and quantum numbers. They also comprehend the current model of atoms and how electrons are described by quantum numbers.
Curated OER
Technology: Koo Koo for Clocks
Third graders design and make clocks compiling a materials list, creating adesign portfolio, and recording progress in a daily log. After making a full-size drawing of their clocks and with the assistance of high school technology...
Curated OER
Rules of Sign Change
Students manipulate negative and positive numbers. In this integers lesson, students move through three activities exploring negative and positive whole numbers. A number line, cardboard function representation, and solving expressions...
Curated OER
Additive Inverses
Students investigate properties of additive inverses. In this properties of additive inverses lesson, students discuss the what it means for two numbers to be opposites. Students discuss representing opposite numbers using a...
Curated OER
Can Chromatography Separate A Pigment?
Learners separate a mixture of pigments with ion exchange chromatography and predict whether the ion-exchange matrix is positively or negatively charged based on the type of pigment bonded to the matrix.
Curated OER
White-tailed Deer: Beauty or Beast?
Students use study guides and videos to discuss the positive and negative impacts of white-tailed deer populations. In this wildlife management lesson, students view slides and discuss the natural history and value of deer as a resource....
Curated OER
An Ancient Disease: Who Am I?
Sixth graders research the positive and negative aspects of microorganisms noting the challenges faced by early scientists. They investigate the history of a disease of their choosing and write a summary of their findings.
Willow Tree
Multiplying and Dividing Monomials
Apply the power of mathematics to the power expressions. The lesson gives examples of expressions that utilize each of the exponent rules to simplify. Once seeing the exponent rules individually, scholars combine them to simplify an...
Cornell University
Isotope Rummy
Thanks to this game, teaching isotopes will never be the same. Physical science scholars work their way toward understanding isotopes in an entertaining game. Pupils play rummy in groups while practicing good sportsmanship and creating...
Curated OER
Number Lines, Variables, Solving for One Variable
Review basic algebraic rules of addition of integers. Then have the class define a variable and explore methods of solving equations with one variable. They observe solving expressions using inverse operations and simplifying solutions....
Curated OER
Addition Review
Students explore the concept of addition as used in the subject of Algebra while reviewing the different methods using a number line. The lesson includes examples for students to use for scaffolding for group work or whole class...
Curated OER
Number Line Relay
Young scholars investigate the placements of numbers on a number line. In this algebra lesson, students visualise addition and subtraction on a number line.