Scholastic
Guess and Check
How can you find the solution to an addition or subtraction problem by guessing? Practice the guess-and-check strategy with a fun math activity based on Ms. Squid's ink mess on the homework. Kids determine which number is covered by the...
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...
Math Stars
Math Stars: a Problem-Solving Newsletter Grade 8
You've just hit the jackpot of integrating math problems and riddles with this jumbo-sized resource! Written as a newsletter, scroll through 35 pages of puzzles and quality problems to engage and encourage your learners to inquire and...
Illustrative Mathematics
Sammy's Chipmunk and Squirrel Observations
Here is a fun project. Sammy observes a chipmunk and a squirrel to see how many holes each needs in order to stash the same number of acorns. Scholars could find the answer algebraically or create a table to analyze the problem in...
Math Stars
Math Stars: a Problem-Solving Newsletter Grade 7
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
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...
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
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.
Mathematics Vision Project
Quadratic Equations
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
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.
Yummy Math
Penny Wars
As the saying goes, a penny saved is a penny earned. Young scholars use a penny activity to earn their way to an understanding of volume. Given three different-sized cylindrical containers, individuals make calculations to determine the...
Shodor Education Foundation
Linear Function Machine
What goes in must come out! Learners play with a function machine to determine the correct function. They enter input values and watch as the machine produces the output.
Curated OER
Guess the Age
Students rewrite word problems using symbols. In this algebra lesson, students rewrite equations graphically, algebraically and verbally. They relate the concepts to the real world.
Curated OER
Guess That Sequence!
Students analyze number sense by participating in a pattern identification activity. In this number sequence lesson, students examine several groups of numbers and identify the sequence in the group before adding on to it. Students check...
Curated OER
Drops on a Penny
Young scientists explore the concept of surface tension at is applies to water. In this activity, learners use a dropper to place drops of water on a penny. Each group guesses how many drops a heads-up penny will hold, then conducts the...
Curated OER
Learning the Times Tables: Guidelines And Ideas for Practice
Students observe and demonstrate a variety of techniques for learning their times tables. They check their answers on a calculator, create flashcards and a number line, develop a number chart from 1-100, write times table story...
Curated OER
The Shape of Things
In this family activity worksheet, students work with family members to discover the various shapes of objects around them. Students complete the presented activity and respond to 2 short answer questions about what they have discovered...
Curated OER
Holiday Math Lesson Plans and Activities
December is filled with holiday traditions using numbers. Here are some holiday math lesson plans that you can do with your students.
Mathematics Vision Project
Module 2: Systems of Equations and Inequalities
The brother-sister pair Carlos and Clarita need your class's help in developing their new pet sitting business. Through a variety of scenarios and concerns presented to the siblings, the learners thoroughly explore systems of equations...
Curated OER
Solving Equations By Systematic Trial
Studentss solve equations using guess and check. In this algebra activity, students solve linear equation using the systematic trial. They isolate and identify the missing variable using non tranditonal methods.
Curated OER
Popping Problems!
Turn your math instructional activity 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...
Curated OER
The Trash We Pass
Where does our garbage go? What is the difference between a recyclable and non-recyclable item? Pose these important, but often overlooked, questions to your class and invite them to consider the lasting and damaging effects of the...
Curated OER
More Pizzas and Things
Students are introduced to the problem by playing a guessing game of "I am a number, which is half of 6 and 6, what am I?" They explain their answers and see if anyone else had an alternate solution checking for reasonableness.
Utah Education Network (UEN)
Solving Single-Variable Equations Part II
Brainiacs explore the concept of solving single-variable equations.They use inverse operations to solve equations, and participate in activities such as balancing an equation scale. This is an awesome lesson, complete with game...