Curated OER
Who's In The Fact Family?
Students study related addition and subtraction facts. For this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
Curated OER
Comparing and Ordering Numbers
Students compare, order, and measure objects. In this measurement lesson, students are assessed on their ability to order, compare, and measure objects. This is an assessment only lesson and does not include instruction.
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Estimating for Accuracy
Students are introduced to the topic of estimation. Using various methods, they estimate and calculate the answers with the use of a calculator. They develop a practice to always estimate answers involving percentages and use a...
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History of the Net
Learners examine the history and the development of the net from its defense creation in 1969 to Vice President Gore's Information Superhighway in the ninety's. this lesson was originally written for librarians who have had little or no...
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Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
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Making Rectangles
Students study rectangles. In this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
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Habitats and Functions
Students analyze and discuss insect diversity and all of the functions that insects perform in nature. They examine habitat and function cards, and distribute themselves by function and habitat.
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Introduction to Graphical Representation of Data Sets in Connection to Cellular Growth
Students practice graphing relationships between variables by studying topics such as exponential growth and decay. They conduct a series of numerical experiments using a computer model and a variety of physical experiments using mold,...