Curated OER
Review of Adding and Subtracting Integers
Eighth graders review adding and subtracting of integers. The class makes a number line from -10 to 10 and practice adding and subtracting by "acting out" the math problems. Students play a card game using the number cards from a regular...
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How to Round Numbers
Students exercise rounding numbers to the nearest tens, hundreds, and thousands. In this rounding numbers lesson, students participate in a rounding numbers activity, covering the concept of rounding in both addition and subtraction.
Curated OER
Addition and Subtraction using Manipulatives
Sixth graders participate in a question and answer session to begin their understanding. Students complete a practice assignment using color counters. Students' assessment is composed of using color counters to complete an independent...
Curated OER
The Nature of Mathematics
Students work in groups to describe plants using numbers. In this number lesson, students use numbers to define plants and then use numbers to write descriptions of themselves.
Curated OER
A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Curated OER
Ports in a Storm: A Surge of Solutions
Students examine various environmental health issues related to ports and the
shipping industry. As a class, they generate a systems model related to the ship-
salvaging industry. Then in small groups, they create their own systems model...
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Order of Operations With Integers 1
In this math worksheet, 5th graders work problems involving multiple step problems. Students complete twenty problems using addition, subtraction, multiplication, and division all with integers.
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Integers
In this algebra worksheet, students solve problems through addition, subtraction, multiplication and division, by following the order of operation. There are 10 problems with ananswer key.
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Mixed Numbers
Students rewrite and solve problems using mixed numbers. In this algebra lesson, students solve fractions using mixed numbers by addition and subtraction. They relate the use of mixed numbers to real life.
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Exploring Graphs of Inequalities
Learn how to solve inequalities and graph their answers. Students use addition, subtraction, multiplication and division to solve problems. They analyze their graph using the TI calculator.
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Subtract Positive and Negative Integers
Review the concept of subtracting positive and negative integers. Learners review the rules for subtracting integers, use manipulatives to visualize the process, and complete an assessment.
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You CAN Make a Difference!
Young scholars identify environmental issues affecting their community and determine ways they can address the issues. They explain that they can be catalysts for change regarding the environment in their own communities.
Curated OER
One-Difference Classification Train
Students practice their classification skills through hands-on practice. Working in groups, students identify various ways in which similar items can be classified. Given a kit of similar items, students classify objects in multiples...
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Make a Difference
Students are introduced to the resource economies of recycling aluminum cans. They develop understanding about their own impact on the amount of solid waste produced and recognize the impact of recycling on energy and natural resources.
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High School Mathematics Problems from Alaska: Writing an Equation: Altitude Range vs. Day in Barrow, Alaska
Students answer questions about the altitude range of the sun over time in Barrow, Alaska.
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The Teaching of Biology and Difference
Seventh graders pretend they were Anton looking through the microscope for the first time. They describe the way he felt when he observed tiny moving objects in the sample of pond water. They look at their own samples of pond water,...
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Pitot Tube Problem Set
Students read a NASA Web-based text and use its information to complete an activity which uses a pitot tube to calculate the speed of an airplane.
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What Difference Does it Make How Old I Am?
Students identify subtle messages advertisers send (often unintentionally) about age in the course of trying to sell products; to analyze the consequences, both positive and negative, those messages have on the American audience; to...
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What Difference Do Good and Bad Make?
Students discuss the characteristics of good citizenship, listen to the story, The Boy Who Cried Wolf, and develop and present skits demonstrating examples of good and bad behaviors.
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Plastics and Rubber: What's the Difference?
Students observe how to classify things into groups based on physical properties. In this plastic and rubber lesson students group and sort items to help them to better identify properties.
Alabama Learning Exchange
Pizza! Pizza! Pizza!
Fifth graders practice using money in everyday situations. They use their addition and subtraction skills as they work in cooperative groups to solve problems involving decimals.
Curated OER
Who's In The Fact Family?
Students study related addition and subtraction facts. In this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
Curated OER
The Tattle Tail Tale
Students read the story by Tandy Braid to explain the concepts of tattling and reporting, then discussing the difference between them. They play a game to determine if something is a tattle or report.
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