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
Relate Counting to Addition and Subtraction
Find 10 simple word problems that require addition and subtraction skills. Although these offer clear math procedure, the grammar isn't perfect. The highest number your learners encounter here is 40, and each question has room for...
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
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
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...
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
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
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...
Curated OER
Using Addition To Subtract
In this addition and subtraction worksheet, 2nd graders solve 9 subtraction problems and find the missing digit in 9 addition problems.
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 Division and Subtraction
Third graders relate the process of division to subtracting equal groups. Through guided practice and teacher demonstration, they complete division problems using a subtraction method. Students complete problems independently for...
Curated OER
Frogs: Fact or Folklore
Students discover how frogs are adapted to their environment. They view and discuss a Discovery Channel video on frogs and the myths surrounding frogs. In small, groups they compile data on frogs from the internet to create a Frog Fact...
Curated OER
Inverse Relationship Between Addition and subtraction
First graders review number facts to illustrate the relationship between addition and subtraction. In this inverse relationship lesson plan, 1st graders write an addition sentence and then invert the numbers to show the subtraction fact.
Curated OER
Addition: Number Bonds to 40
In this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
Curated OER
Easier Way to Subtract
In this subtraction review worksheet, young scholars read about the Tic Tac Toe method for subtraction and then use the method to solve some problems.
Pennsylvania Department of Education
Practice Makes Perfect
Students study fact families. In this math lesson, students use fact families to play a game of concentration. Students identify subtraction facts they need to learn.
Curated OER
Transportation Math
Students use mathematical operations to examine truck drivers and the math they use everyday. In this transportation math lesson, students read word problems that relate to transportation and the math needed to solve the word problems....
Curated OER
Balancing Discoveries
Students use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.
Curated OER
Triangle Town
Second graders create a fact family town to develop the understanding of numbers related in fact families. They learn each family has a big number and two baby numbers. They make triangle shaped houses for their facts.
Curated OER
Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Curated OER
Fact-O!
Students practice math facts as they play a game of chance and skill. They correctly create and calculate mathematical equations, using the numbers rolled on three dice, and earn points for marking adjacent numbers on the game sheet.