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Worksheet
Curated OER

Problem Solving: Guess and Check problem solving 4.5

For Students 2nd - 3rd
For this problem solving worksheet, learners read a word problem, write sentences explaining comprehension of important information, how to check each guess, the solution, and how to check for a reasonable answer. Students write four...
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Lesson Plan
Alabama Learning Exchange

Estimation Station: Why Estimating is Better than Guessing

For Teachers 3rd - 5th Standards
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...
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Lesson Plan
Oklahoma State University

Math for Peanuts

For Teachers K - 2nd Standards
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...
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Worksheet
Curated OER

Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...
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Worksheet
Curated OER

Writing Equations

For Students 9th
In this writing equations worksheet, 9th graders solve and complete 20 different problems that include writing an equation and finding a solution for each problem. First, they read the problem through and write an equation that best...
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Lesson Plan
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EngageNY

True and False Equations

For Students 9th - 10th Standards
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.
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Handout
Charleston School District

Solving Systems Graphically

For Students 8th - 9th Standards
When guess and check gets old, it's time to start graphing! An instructive lesson explains how to solve a system of linear equations using graphing. Equations are in both slope-intercepts and standard form. 
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Printables
Blogger

Problem Solving Strategies

For Teachers 4th - 12th
Eight mini-posters remind your math class of strategies to try when attacking a problem. Print each one on a different brightly colored piece of paper, laminate, and post in your classroom for year-long reference. Strategies...
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Worksheet
Curated OER

Math Who Am I?

For Students 4th - 5th
In this math vocabulary activity, students read each description of a math term and write the word on the blank line. They circle every third letter in each letter box next to the clue to check their answer. They complete 8 definitions.
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Worksheet
Curated OER

Guess & Check Extra Credit

For Students 8th - 10th
In this Pythagorean Theorem worksheet, students use the Pythagorean theorem to compute the length of a missing side.  They identify Pythagorean triples.  This three-page worksheet contains 34 problems.
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Worksheet
Curated OER

Working with Coins #2

For Students 2nd - 3rd Standards
Practice money math with a helpful worksheet. Illustrations of coins, along with word problems, keep second graders focused on adding and subtracting different amounts of money. An excellent homework assignment to reinforce your money...
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Worksheet
Waterloo Mathematics

Grade 7 Patterning and Algebra: Algebraic Expressions

For Students 6th - 8th Standards
Classmates solve 18 different problems that are mostly word problems that apply algebraic expressions. They draw different combinations of masses on a scale that would balance. They also simplify expressions and solve for x in a number...
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Lesson Plan
Curated OER

Life is Full of Problems

For Teachers 3rd - 6th
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.
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Unit Plan
Education Development Center

Language of Algebra

For Teachers 5th - 8th Standards
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...
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Lesson Plan
California Mathematics Project

Treasure Beneath the Sea

For Students 9th - 12th Standards
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...
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Lesson Plan
Curated OER

Number Sentences

For Teachers 5th
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.
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Handout
Curated OER

Word Problems Review Sheet

For Students 11th - 12th
Word problems can make even expert mathematicians go blank. Practice solving word problems with an extended version of the GUESS method (givens, unknowns, equations, solve, substitute), which adds the steps of drawing a diagram, making...
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Worksheet
Curated OER

Solving Equations

For Students 6th - 7th
In this Algebra I worksheet, students use the guess and check method to determine the solution to a one variable equation.  The three page worksheet contains twenty-three problems.  Answers are not provided. 
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Lesson Plan
Curated OER

The Grapes of Math

For Teachers 3rd - 5th
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.
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Worksheet
Curated OER

Math Who Am I? Worksheet 3

For Students 3rd - 4th
In this math who am I activity, students read geometric shapes and math terms clues, fill in the blanks, and check their answers by circling each third letter in boxes with answers. Students write eight answers.
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Lesson Plan
Curated OER

Investigation - Can You Guess My Favorite Color?

For Teachers 2nd
Second graders explore a bag of mixed pattern blocks. As a class they discuss different attributes of these shapes. For this math lesson, 2nd graders search to find shapes that are similar by placing shapes on top of one another to...
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Lesson Plan
Curated OER

Grandpa's Chocolates

For Teachers 2nd - 4th
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.
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Assessment
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Inside Mathematics

Coffee

For Teachers 9th - 12th Standards
There are many ways to correlate coffee to life, but in this case a activity looks at the price of two different sizes of coffee. It requires interpreting a graph with two unknown variables, in this case the price, and solving for those...
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Lesson Plan
Curated OER

Money and Math

For Teachers 4th
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...