CK-12 Foundation
Newton's Method
Does the accuracy of the first guess make a difference down the line? Learners investigate the effects of the iterative process of finding roots, using Newton's Method. By moving the initial guess of a root on a graph, pupils observe the...
Education Development Center
Language of Algebra
Don't rush into algebra, let learners visualize, guess, and predict their way to a successful math career. The introductory unit incorporates beginner algebraic concepts with shapes instead of variables. Young mathematicians use a...
K12 Reader
Estimation
Teach your class a thing or two about making educated mathematical guesses. Learners read a passage that explains estimation and approximate and exact answers. They then respond to five questions about and related to the text.
Curated OER
My Ten-Frame Riddle
Learners will have fun trying to trick their classmates in this interactive ten-frame riddle activity. After choosing a number and filling in the frame, they create three clues to challenge a classmate trying to guess their number. A...
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...
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.
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
Using Guess, Check and Revise
Students answer coin related math questions using the guess, check and revise process for problem solving.
Curated OER
Estimation
Third graders gain an understanding of estimation as an educated guess. They explore measuring and how looking at various object size and shape can help form ones guess towards estimation. They use dinosaurs for an estimation activity.
Curated OER
Unit 4: Worksheet I - Algebraic Equations
In this algebraic equation learning exercise, students read a story problem. They write algebraic equations and solve for the unknown. Students also use a guess and check table to solve problems. This one-page learning exercise...
Curated OER
Find Four Consecutive Integers Whose Sum is 17798
In this sum worksheet, students find four consecutive integers whose sum is 17798. Students could approach this problems using algebraic equations or logically with guess and check. The solution is provided.
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
What Is It?
You have to love lessons that foster problem solving strategies. This one has upper graders devise and employ their own strategy to solve given problems after they have used classics like guess/check, substitution, make a table, and look...
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
Guess the Age
Students explore functions using real world application. In this algebra activity, students play a game as they apply concepts of function. They graph their findings and discuss it with the class.
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...
Curated OER
Punch Patterns
Fifth graders duplicate patterns, guess pattern results and identify the symmetries created. They are given an instructional handout, 5th graders replicate the patterns demonstrated by folding the paper and punching the appropriate...
Curated OER
Equations Lesson 1
Middle schoolers engage in a study of equations and how they are solved using algebraic methods. This overrides the fact of guessing as done in earlier grades. They cover the concept of inverse operations as the main way to manipulate...
Curated OER
Estimation Contest
Students explore the concept of estimation. For this estimation lesson, students estimate the number of Cheerios in their cup. Students then determine the number of Cheerios in the entire box using what they know about their cup.
Curated OER
The Tiled Courtyard
Fifth graders use the guess and check technique to solve a problem involving transformations. They work with a grid and criteria provided by the teacher to solve a sequence with black and white rows.
Curated OER
Problem-Solving Strategies in Word Problems
Learners examine how to determine which strategy to use to solve word problems. In this word problem strategy lesson, students listen to a lecture on the process of using different strategies to solve math problems. They look at guess...
Curated OER
Block It Game
Students use problem solving strategies such as guess and check and visualization to play the game. They use mental mathematics to decide on the placement of pattern blocks and look for patterns.
Curated OER
Robots
Fourth graders devise and use problem solving strategies to explore situations mathematically (guess and check, make a drawing, use equipment). The use of logical reasoning is a focus of this lesson.
Curated OER
Unit 1, Worksheet 3, Note Taking in Mathematics
In this taking notes worksheet, students write notes on specified topics such as combining like terms, identifying number patterns, basic mathematical operations of integers, and the guess and check strategy. This two-page worksheet...
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