Curated OER
Costa Rica's Sustainable Coffee
Young scholars experiment to see if birds prefer to eat bird seed with additives vs. no additives. In this experimental lesson students test to see if birds notice a difference between additive and no additive food.
Curated OER
Writing Number Sentences
Learners practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
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One Dollar
In this money practice learning exercise, students sharpen their problem solving skills as they solve 6 story problems that involve sums of 1 dollar.
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Kid Pix Math
Second graders, using Kid Pix, write and illustrate simple addition and subtraction sentences using Kid Pix. After each student has completed his/her work, it is printed out and bound into a class book.
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Great Rivers 2: The Ups and Downs of River Flooding
Second in a three-part lesson on rivers, this lesson focuses on the flooding that occurs in riparian locations. First, learners take a look at facts about the Amazon River. They read online materials and fill in a worksheet as they...
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Making Cents of Fractions and Decimals
Students explore decimals and fractions using groups of 100 pennies. By classifying the pennies in different ways, there are an unlimited number of ways to learn fractions, decimals, and place value in money. This is a good, hands-on...
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Number Base Clocks
Students investigate place value in base ten. In this number sense instructional activity, students participate in an online instructional activity at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to...
Shodor Education Foundation
Spy Game
Turn students into detectives as they decipher encrypted messages. Introduce your class to modular arithmetic and have a little fun encrypting and decoding secret messages. The activity does not hit many content standards, but would be...
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Ten Sly Piranhas: A Counting Story in Reverse
Students solve related addition and subtraction problems. In this addition and subtraction instructional activity, students use the book Ten Sly Piranhas by William Wise as the source of word problems for students to solve.
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Use Symbols to Subtract
Learners practice crossing out items in a group in order to complete subtraction problems. In this subtraction lesson plan, students watch a PowerPoint presentation and then practice problems on their own.
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Let's Try Various Calculations
Young scholars explore math facts. In this calculation and math facts lesson, students play a board game in which addition, subtraction, multiplication, and division math facts are practiced. A copy of the game is included.
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Rays and Angles
Students view examples of a ray, opposite rays, collinear rays, angles, and straight angles. They discuss and demonstrate how to use a protractor and complete worksheet problems on rays and angles.
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Balancing
Students use a balance to complete subtraction problems and weigh out the items they take away. In this subtraction lesson plan, students use a pan balance and record their equations.
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How Many More?
Young scholars complete subtraction problems where they use goldfish crackers as their manipulatives in the problem. For this subtraction lesson plan, students use words and pictures to also show their problems.
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Solving One Step Equations Using Algebra Tiles
Students solve linear equations. In this algebra lesson, students solve equations using addition, subtraction, division and multiplication. They evaluate and simplify functions.
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Adding and Subtracting With Negative Numbers
Students solve equations with negative numbers. In this addition and subtraction lesson, students review how to add and subtract with positive and negative numbers on a number line. Students discuss the outcomes of adding two negative...
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Composition of Functions
Students solve problems using the composition of functions. In this algebra lesson, students analyze the graph of a quadratic equation for its vertex and intercepts. they find the inverse of the function using addition, subtraction,...
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Solving Inequalities and Graphing
Students solve and graph inequalities on a number line. In this algebra lesson, students solve using addition, subtraction, multiplication and division and graph their solutions using open or closed circles. They graph with 80%-90%...
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Solutions to Equations with Variables on Both Sides
Students solve equations with variables on both sides. For this algebra lesson, students solve equations using addition, subtraction, multiplication and division. They graph their solution on a coordinate plane.
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Compound Inequalities
Pupils solve problems with compound inequalities. In this algebra instructional activity, students solve inequalities using addition, subtraction, multiplication and division. They graph-their solutions on a numbers line.
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Variables on Both Sides
Learners solve equations with variables on both sides of the equations. In this algebra lesson, students use addition, subtraction, multiplication and division to solve problems. They combine like terms and identify the unknown.
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The Meaning of Algebraic Expressions
Students define equations and expressions. In this algebra lesson, students review important vocabulary words to do with equations and solving problems. They simplify equations and expressions using addition, subtraction, multiplication...
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Integer War Game
Review adding, subtracting and multiplying integers using this activity. Learners play a game using a deck of cards in which the black ones are positive and the red ones are negative. They add, subtract, etc . . . based on the...
Curated OER
Hopes and Dreams: A Spreadsheet Lesson Using Excel
Fourth graders read "The Far Away Drawer" by Harriet Diller and discuss the story as a class. After discussion, 4th graders create a t-shirt GLYPH about their hopes and dreams,share their information with the class and create spreadsheets.