EngageNY
Solving a Linear Equation
Solving an equation is the art of creating simpler equivalent equations using properties of equality. Here, classes see that solving an equation is not always as easy as guessing. The lesson presents linear equations that scholars must...
Curated OER
Problem Solving
Second graders practice problem solving strategies. In this problem solving lesson, 2nd graders use strategies such as guess and check, acting out, drawing pictures and looking for patterns to solve problems. Students work in groups to...
Curated OER
Use Guess and Check to Solve Math Problems
In this problem solving worksheet, students read about using the guess and check strategy for solving math word problems. They use the strategy to solve 8 problems. They read about the working backwards and using visuals as problem...
West Contra Costa Unified School District
Factoring Quadratic Expressions
Factor in different strategies in a lesson for factoring quadratics. Young mathematicians first create tables and area models to factor quadratic trinomials into two binomials by guess and check. Learners then investigate how they can...
EngageNY
Advanced Factoring Strategies for Quadratic Expressions (part 2)
What do you do with a difficult-to-factor quadratic expression? This lesson provides the answer. Pupils learn a grouping strategy to help factor trinomials. When guess and check seems too tedious, this method is the "works every...
Alabama Learning Exchange
Estimation Station: Why Estimating is Better than Guessing
Youngsters discover the difference between estimating and guessing. They estimate how many items are contained in a jar as they read a story. After the story, pupils discover the differences between estimating and guessing and create a...
Oklahoma State University
Math for Peanuts
Peanuts! Get your peanuts! Kids explore math, art, and agriculture concepts focused on peanuts. There is a brief informational text to get them started, and you'll find definitions of five in-text vocabulary words to address. Kids...
EngageNY
True and False Equations
What does English have to do with math? Teach your class the "grammar" of a number sentence. Sentences with correct grammar can be false! Understanding of a number sentence leads to a comparison with equations.
Curated OER
Life is Full of Problems
Pupils use the problem solving strategy of guess and check to investigate math word problems. They determine which problem solving strategy or strategies would work best in problem situations.
California Mathematics Project
Treasure Beneath the Sea
Explore the geometry of treasure hunting! Learners use geometry to design a treasure recovery strategy. The objective is to create a design that minimizes the amount of work required. Budding mathematicians use properties of triangles as...
Curated OER
Number Sentences
Fifth graders become familiar with problem solving strategies of guess and check and working backwards. They demonstrate the basic concepts of addition, subtraction, multiplication, and division using a math sentence.
Curated OER
Investigation - Can You Guess My Favorite Color?
Second graders explore a bag of mixed pattern blocks. As a class they discuss different attributes of these shapes. In this math lesson, 2nd graders search to find shapes that are similar by placing shapes on top of one another to...
Curated OER
Grandpa's Chocolates
It's fun playing a game of "Guess What's in the Jacket Pocket?" Students read the question using the concept of doubles using mental math. They then share their solutions with the class.
Curated OER
Money and Math
Not only will your young Spanish speakers develop shopping/ money vocabulary, they'll practice basic math as well! This plan will take no longer than 10-15 minutes and just has learners look at different products and do simple math. If...
Curated OER
Creative Factoring of Trinomials
Eighth graders consider an alternate method of factoring trinomials as opposed to guess and check. They can evaluate which method is easier and more appropriate for different problems.
Curated OER
Systems of Linear Equations
Introduce the inverse matrix method to solve systems of linear equations both algebraically and graphically. Using given data, your class checks their answers with graphing calculators. Handouts are included in this well-thought out lesson.
Curated OER
Probability for the Novice
The comprehensive, overall purpose in teaching probability is to help students draw conclusions about the characteristics of a large group given a small sample taken from the group. Probability is related to predicting the chance of a...
Curated OER
Side-By-Side Division Algorithms
Show classes how to work their way through the algorithms. The long division lesson plan shows five algorithms in dividing multi-digit numbers by a single digit. The algorithms include partial quotients, stacking method, place value long...
Curated OER
Guess That Sequence!
Students analyze number sense by participating in a pattern identification activity. In this number sequence instructional activity, students examine several groups of numbers and identify the sequence in the group before adding on to...
Curated OER
My Life in Math Class
Students reflect on their past experiences in mathematics classes - both good and bad. They identify what methods, knowledge and strategies have been helpful to them and write about them in a journal to be shared with the current teacher.
Curated OER
Jo's Table
Students continue a sequential pattern using a partially filled in table and simple addition exercise. They use problem solving strategies such as guess and check, make a table, look for patterns. They discuss their finding with the class.
Curated OER
Popping Problems!
Turn your math lesson into a carnival game with this fun, outdoor activity. After reviewing the concept your class will be practicing briefly, split your class up into teams and head outdoors. These teams work to solve math questions and...
EngageNY
The Zero Product Property
Zero in on your pupils' understanding of solving quadratic equations. Spend time developing the purpose of the zero product property so that young mathematicians understand why the equations should be set equal to zero and how that...
Curated OER
Fraction Problem Solving Process
Help your charges solve a variety of fraction and skip counting problems using a problem solving process. As a class they work through a fraction problem step-by-step, and discuss a real-life connection to the problem. Students then play...