Curated OER
the Whale Game
Students listen to whale stories and answer addition and subtraction problems in the stories. In this addition and subtraction lesson, students receive 20 goldfish. Based on the story they eat the goldfish. Students write number...
Curated OER
Using Addition to Subtract
In this using addition to subtract worksheet, students, working with a partner, practice problem solving six word problems and equations.
Curated OER
Addition/Subtraction Strategies
Third graders recall all their addition and subtraction facts to 20. They use the relevant number strategy with whole numbers. Students are taught place value in relation to decimals, and identify 'which decimal is larger.' They...
Curated OER
Math: Addition and Subtraction
Students practice addition and subtraction skills by visiting Web sites with math games, quizzes, and related activities They play various games involving sports, racing, and catching fireflies while improving basic math skills..
Curated OER
Workplace Math Skills Assessment
In this workplace math skills assessment worksheet, adult students complete 7 word problems that are related to shop skills. They determine the height of hinge placement, length of boards by adding and subtracting, and solve to problems...
Houghton Mifflin Harcourt
Mental Math: Subtract Tens - Homework 12.1
Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...
Curated OER
Understanding Stereotypes
Pupils confront age-related stereotypes, explore how stereotyping impacts their lives, and discuss how they can make changes to reduce over-generalizations, unfair assumptions, and critical judgments about people groups. They use a...
American Chemical Society
Density: Sink and Float for Liquids
We don't think of liquids as floating typically, but a quick look at any oil spill tells a different story. Lesson explores various densities of liquids and why this fact is important. After observing the density variation, scholars...
Science 4 Inquiry
Let's Get Moving
Rivers top the list of causes of erosion over time. Scholars experiment with wind, water, and ice reshaping sand. They connect the simulations facts about erosion and deposition to understand unique landforms such as the Grand Canyon and...
Curated OER
Leaves for Our Tree
Young mathematicians review fact families and create a Math Fact Family Tree. This clever lesson plan includes some excellent printouts that support the instructional activity.
Curated OER
How Many Under the Shell?
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your students to engage in.
Curated OER
Winter Facts Scavenger Hunt
For this winter facts worksheet, students use provided links to find answer to 17 winter related questions. Two bonus questions are included.
Curated OER
Not Just the Facts
Encourage your learners to explore the differences between hard news and news analysis. They outline a complex news analysis about the upcoming presidential election, then endeavor to write an analysis of the same topic, using local...
Curated OER
Relationship Between Addition and Subtraction
Young scholars are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson plan, students are being taught using theories from different philosophers in education. They...
Curated OER
Using Subtraction Strategies 2
In this subtraction strategies worksheet, students review the ways to subtract and then solve the subtraction problems. Students also answer a test prep question.
Curated OER
Let's Learn the Flu Facts
Learners examine the difference between a cold and the flu. They discuss the symptoms of colds and flu, complete a cloze activity, and discuss how to stay healthy.
Curated OER
Combining Foods
Students explore addition. In this math lesson, students discover how addition and subtraction are related. Students model related addition and subtraction facts.
Curated OER
Relating Multiplication And Addition
In this relating multiplication and addition worksheet, students, with a partner, problem solve and calculate the answers to ten subtraction and addition equations.
Illustrative Mathematics
An Integer Identity
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
NOAA
Thunderstorms, Tornadoes, Lightning. . . Nature's Most Violent Storms
Thunderstorms, tornadoes, floods, and hail are just a few of the topics covered in a thorough weather preparedness guide. With descriptions of each weather phenomenon, from what causes them to how and when they occur to levels of...
Curriculum Corner
Number Family Cards
Sixteen number families test young mathematicians' knowledge of the commutative and associative property of addition. Pupils list four problems—two addition and two subtraction—related to a given set of three numbers.
Virginia Department of Education
Molar Heat of Fusion for Water
How can you describe heat of fusion in a way the class understands and relates the importance of this concept to present day issues? In this third activity of the series, learners conduct an experiment, demonstrating the flow of heat...
American Museum of Natural History
Ask a Scientist About Our Environment
Scientists respond to 26 question posed by learners. These experts answer in easy to understand language, include photos to illustrate the issue, offer suggestions for how young people can make a difference, and supply links to resources...
Curated OER
Evaluating Information Quality
Young scholars evaluate information they are given and identify the quality of the information as fact, fiction, and point of view. In this information quality lesson plan, students also discuss how they can pick out good information...