EngageNY
Solve for Unknown Angles—Transversals
Lead your class on an exciting journey through the world of math as they review geometry facts and solve for unknown angles. They learn how to use auxiliary lines and congruent angles to correctly complete each practice problem...
Willow Tree
Direct and Inverse Variations
Enhance pupil understanding of proportions and variable relationships by studying direct and inverse variation. Use the idea of a proportional relationship to teach direct variation. Then use a similar pattern to help individuals...
Curated OER
The Grapes of Math
Students "think" through mathematical problem solving and provide solutions using a variety of strategies after listening to Greg Tang's book, The Grapes of Math.
Curated OER
Problem Solving---A Part of Everyday Thinking
Young scholars demonstrate knowledge of the six basic steps to problem solving. They demonstrate ability to apply these six basic steps to problem solving by guiding other students in the solution of a given problem or set of problems.
Curated OER
Number and Operations- Raul's Apples: Word Problem
Students discover how they can use manipulatives to solve word problems. In this problem solving instructional activity, students read Raul's Apples Problem and then complete a worksheet, using beans or counters to solve the problem....
Virginia Department of Education
Cover Up Problems
Don't cover up this resource — use it out in the open! Pupils learn how to cover up various parts of a linear equation in order to help solve the equation. A worksheet of problems provides practice with this skill.
EngageNY
Solving Equations with Radicals
Show learners how to develop a procedure for solving equations using radicals with the fifth lesson of the 25-part module that challenges learners to use properties to solve multi-step quadratic and cubic equations. Individuals round out...
BBC
Starship English and Math - Online Lesson Plans
Two online lessons, one in math and one in language arts, are here for you. In them, learners play online games which reinforce important skills in literacy and numeracy. The thing I like about both of these lessons is that they get the...
Curated OER
Lesson: New Museum Design Activity
After viewing images of vernacular and alternative architecture, budding designers collect materials to construct their own spacial design. They use gathered materials to construct a 3D model of the class space in a new way, yet...
Curated OER
Problem Solving
Second graders observe and demonstrate how to differentiate between necessary and unnecessary information as it relates to math word problems. They discuss the stoplight method, read word problems and observe how to use the stoplight...
EngageNY
Applications of the Pythagorean Theorem
Begin seeing the world through the lens of geometry! Use the 19th installment in a 25-part module to apply the Pythagorean Theorem to solve real-world problems. Individuals sketch situations resulting in right triangles such as the...
Education Development Center
Thinking Things Through Thoroughly
Problem solving is a skill of its own. Learners use a variety of problems to encourage mental math and logic to get the correct answer. Guiding questions are provided along the way to encourage the right way of thinking to help tackle...
EngageNY
Another Computational Model of Solving a Linear System
The process of elimination really works! Use elimination when substitution isn't doing the job. The 29th segment in a series of 33 introduces the elimination method to solving linear systems. Pupils work several exercises to grasp the...
Curated OER
The Geometry Of An Ox Skin
High schoolers investigate the concepts of area and perimeter. The lesson uses a legend to create a context for the proposed word problem. They use the skill of estimation in order to create an ox skin that is found in the story.
Curated OER
Jon and Charlie's Run
Let's use math to solve an argument. Jon and Charlie are debating about who can run farther, but who is right? That's what your class will figure out as they apply their understanding of fractions to this real-life situation. A simple,...
Curated OER
Measuring Real Stuff
Looking for a good lesson on measurement? This one could be for ytou! Learners select and use appropriate nonstandard units to measure and compare lengths and weights of real-life objects. They use problem-solving skills to design a...
Curated OER
Problem Solving Strategy for Multi-step Math Problems
Third graders analyze mathematical word problems and interpret the words into mathematical equations. Individuals demonstrate their knowledge of the order of operations both verbally and through written expression.
Curated OER
Solving Math Word Problems
Students use five word problem solving skills to solve a variety of math word problems. They observe the teacher modelling the five steps, and in small groups complete two worksheet word problems. Students read the problem, find the...
Virginia Department of Education
Rational Equations
Provide guidance and practice of the useful skill: solving rational equations using both an algebraic and graphical approach. Pupils solve increasingly more difficult rational equations using algebraic methods. After, they study steps to...
EngageNY
Linear Equations in Disguise
In the eighth segment of a 33-part unit, learners look at equations that do not appear to be linear at first glance. The equations are proportions where the numerators and denominators may have more than one term. To round out the...
EngageNY
Finding One Hundred Percent Given Another Percent
Class members solve problems to find the whole when given a percent. They use double line numbers and factors of hundred to help break the 100 percent into equal segments.
EngageNY
Introduction to Simultaneous Equations
Create an understanding of solving problems that require more than one equation. The lesson introduces the concept of systems of linear equations by using a familiar situation of constant rate problems. Pupils compare the graphs of...
EngageNY
Ferris Wheels—Using Trigonometric Functions to Model Cyclical Behavior
Have class members going in circles as they model the path of a Ferris Wheel using trigonometric functions. Building on the previous lesson in this series on transformations, learners use trigonometric functions to model wheels of...
EngageNY
Nature of Solutions of a System of Linear Equations
If at first you cannot graph, substitute. The lesson introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part series finishes...