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Curated OER
Repeating Decimal as Approximation
You are used to teaching repeating decimals with bar notation that keeps us from writing that number over and over again; now teach what the over and over again represents. This activity allows your mathematicians to explore the infinite...
Curated OER
Modeling the Electromagnetic Spectrum
Learners construct a model of an electromagnetic spectrum using play-doh and string. They use exponents and plot the radio/microwave, infrared, and visible bandwidths of the spectrum.
Curated OER
Does Order Really Matter?
Investigate the order of operations! Learners participate in interactive multi-media activities to examine and solve multi-step equations, inequalities. They evaluate formulas and simplify monomials and polynomials.
Curated OER
Division by Fractions (Part One)
Learners demonstrate array models to illustrate division as sharing and grouping. They demonstrate the array models to compare division as sharing with division as grouping. Pupils explore division problems are typically seen as either...
EngageNY
Proving the Area of a Disk
Using a similar process from the first instructional activity in the series of finding area approximations, a measurement resource develops the proof of the area of a circle. The problem set contains a derivation of the proof of the...
EngageNY
Discrete Random Variables
You don't need to be discreet about using the resource on discrete variables. In the fifth installment of a 21-part module, scholars explore random variables and learn to distinguish between discrete and continuous random variables. They...
Curated OER
Measuring Pumpkins and Our World
Students estimate the circumference of a pumpkin. They measure the pumpkin and other school objects, and record the measurements on worksheets.
Curated OER
Let's Make A Deal
Third graders make a picture money book. In this money lesson, 3rd graders read The Monster Money Book, discuss money terminology, watch a video on money and draw an example of the barter system. Students use the Internet to find...
Curated OER
Indoor Gardening by Building a Simple Hydroponics
Students investigate the use of hydroponic gardening on the world food supply. In this hydroponic gardening lesson, students make a garden out of a soda bottle, grow a cilantro plant, and compare hydroponics with regular gardening using...
Curated OER
Trash to Gas
Middle schoolers experiment with biomass materials as alternative energy sources. In this biomass material lesson, students participate in an experiment with cow manure to determine how it can be used as an energy source. They record...
EngageNY
The Geometric Effect of Some Complex Arithmetic 2
The 10th lesson in a series of 32, continues with the geometry of arithmetic of complex numbers focusing on multiplication. Class members find the effects of multiplying a complex number by a real number, an imaginary number, and another...
Curated OER
The Internet Pizza Server - Pizza Simulation
Students simulate going to a pizza restaurant, ordering a pizza, and determining whether a small, medium, large, or family size pizza is a "better-buy." Students calculate the price/per/topping and determine whether this price is "fair"
Curated OER
How Fast is it Traveling?
Students calculate the rate of speed of various moving objects within the classroom setting, or outside under a controlled environment.
Curated OER
Proportionality Using Labyrinths and Mazes
Conduct research on the Internet about labyrinths and mazes to learn about proportions and ratios. Inquisitive minds design their own maze, one maze is chosen and proportionately enlarged to 20 feet by 30 feet. This is a fun challenge...
Curated OER
How To Measure Area
Geometers learn how to measure the area in square units. They use the floor in the classroom as a visual to measure a square foot area. They use classmates to fill the space and expand the measured area square foot by square foot until...
Curated OER
Benefits of Indoor Plants
Students diagram a plant. In this Science lesson plan, students explore the concept of photosynthesis focusing on the oxygen production. Students calculate the amount of plants needed to filter the air in their classroom.
Curated OER
Make a Solar Oven
Students build a solar oven. In this Science lesson, students construct a functional solar oven. Students design the oven and explain the energy concepts involved.
Curated OER
Proving (a Theorem) and Disproving (a Theory)
As a cross-curricular instructional activity, your class examines the issues of gender discrimination, careers, and gender roles. They read and discuss an article, prepare a proof of the Pythagorean theorem as a class, and develop a...
Curated OER
Find A System
Learners must think critically about the graphical and algebraic forms of a system of linear equations in order to come up with their own system when given a point that is the solution to the system.
Curated OER
Cantor Set
Discover an interesting mathematical object that your algebra learners will enjoy investigating. Their adventure will lead them to the generation of a finite geometric series.
Curated OER
Area Of A Circle
Students investigate the concept of area and how it can be applied to a circle. They use the right formula in order to solve different problems. The teacher leads the class through different examples and serves as a resource during...
Curated OER
Centripetal Force
In order to investigate cetntripetal force and angular momentum, youngsters compare the motion of erasers hung from a string. It is not clear what type of Amish toy is needed in the warm up activity, so you may not be able to use it. The...
Curated OER
Investigation - Peg Race
Students explore time by comparing the duration of an egg timer with how many pegs they can put in a pegboard. They experience one on one correspondence, as they place a peg in the whole. Students discover estimation of time and number...
Curated OER
Investigation - The Bakery Shop
Young scholars use manipulatives to establish quantity. By singing a song titled "Five Little Cookies," students determine which strategy to use to find out how many cookies are left in the bakery shop.