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Houghton Mifflin Harcourt
Introducing the Concept: Triangles and Quadrilaterals
Guide your geometers through the process of constructing polygons. They learn how to draw triangles, squares, parallelograms, rectangles, rhombuses, and trapezoids with specified angles using a protractor and a ruler. The lesson plan...
Pennsylvania Department of Education
Let's Learn Those Facts: Looking Back and Moving Forward
Students participate in an adding game. In this adding numbers lesson, students calculate the sum of the dice and remove a number from their activity sheet. Students who first removes the numbers is the winner.
Curated OER
Finding the Measure of Segments
Students observe and solve examples of betweenness, ruler postulate, and segment addition postulate. They complete the Finding the Measure of Segments worksheet using the distance formula.
Curated OER
Solving Inequalities By Using Addition And Subtraction
Seventh graders solve inequalities using addition and subtraction. They write number sentences based on word problems.
EngageNY
Triangle Congruency Proofs (part 1)
Can they put it all together? Ninth graders apply what they know about proofs and triangle congruence to complete these proofs. These proofs go beyond the basic triangle congruence proofs and use various properties, theorems, and...
West Contra Costa Unified School District
Multiplying Binomials and Factoring Trinomials
Two lessons for the price of one! Learners use algebra tiles to multiply binomials in the first instructional activity, Next, they use their knowledge from the first instructional activity to factor trinomials into two binomials.
Alabama Learning Exchange
Fun with Problem Solving
Using a varity of strategies, young mathematicians solve multistep word problems. They play a logic game as a whole group, and then work with a partner on a computer to complete a worksheet that requires a variety of problem solving...
Curated OER
Addition, Subtraction, and More Multiplication with Radicals: Extra Practice 36
In this math worksheet, students use the distributive property to complete computation with radicals. Students multiply pairs of binomials that have the square root sign in each pair.
Curated OER
Operations with Decimals
Teach your learners to solve word problems. They will review how to add, subtract, multiply, and divide with decimals. Then they solve multiple problems.
Curated OER
The Case of the Missing Middle Term
Young scholars examine the difference of squares equation, and multiply binomials using the FOIL method. They complete the Case of the Missing Middle Term worksheet.
Curated OER
Spill the Beans
Learners explore the meaning of a fact family. In this Math lesson, students work in small groups to create their own fact family based on color of beans. The beans are colored and represent a given value. Learners discover the...
Curated OER
Adding Integers
Students explore the concept of adding and subtracting integers. In this integer lesson, students use strips of paper (various sizes) to add and subtract integers. Students visualize the process of adding and subtracting integers.
Curated OER
Do it With Dominoes
Young scholars explore modes for addition. In this K-2 mathematics lesson, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes. Young scholars examine the...
West Contra Costa Unified School District
Divisibility Rules Justified
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
Curated OER
Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
Curated OER
Inductive and Deductive Reasoning
Students use logical arguments and inductive reasoning to make or disprove conjectures. After observing a teacher led demonstration, students discover that the deductive process narrows facts to a few possible conclusions. In groups,...
Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Curated OER
Multiplication: A Treasure Hunt to Two and Three Digit by One Digit Multiplication
Here is a math instructional activity which has learners practice multiplying two and three digit numbers by one digit numbers. They discuss multiplication strategies and use those strategies to play a game.
Curated OER
Length, Perimeter, and Area
Students explore the concepts of length, perimeter, and area. In this math lesson plan, students use Shape Explorer to practice finding length, perimeter, and area.
Shodor Education Foundation
Spy Game
Turn young scholars 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,...
Curated OER
What Does It Matter?
Students define matter, the chemical properties of matter, and the physical properties of matter. They name physical and chemical properties of matter (by classifying using a Tree Map). Students determine the mass, volume, and density of...
Curated OER
Prime Time
Students participate in activities to investigate properties of numbers. They identify prime and composite numbers and determine the patterns associated with these numbers. They answer questions associated with each activity.
Curated OER
Johnny Appleseed Walkabout
Second graders calculate mileage for a journey. In this place value and measurement lesson, 2nd graders read Johnny Appleseed, work in groups to locate his birthplace on a map, locate the other states he stopped in, and measure the...
Curated OER
Fruity Math
Students solve one step linear equations. In this algebra lesson, students manipulate their variables and numbers to answer each problem. They make sure the equations stay balanced at all times.