Worksheet
Curated OER

Subtraction Tree

For Students 3rd - 5th
In this math puzzle worksheet, students use their problem solving skills to respond to 6 questions that require them to use subtraction.
Worksheet
Curated OER

Quotable Puzzles

For Students 7th - 9th
For this algebra puzzle worksheet, students evaluate 25 different expressions using the values provided for a, b, c, x, y, and z. They then match the answer to the correct letter of the alphabet and use the letters to solve the quotation...
Interactive
Curated OER

Logic Quiz

For Students 9th - 10th
In this algebra worksheet, students review grouping like terms using a Venn Diagram. They compare and contrast between like terms and unlike terms. There are 6 problems with an answer key.
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.
Lesson Planet Article
Curated OER

Logic Plus Math Equals Critical Thinking

For Teachers 3rd - 4th
Logic problems can be an integral part of the school day.
Lesson Plan
Curated OER

Narrow It Down

For Teachers K - 4th
Ever played 20 Questions? A similar game helps young learners practice asking and answering yes-or-no questions. Spread out several objects, preferably all similar with slight variations (buttons or coins would work well). A leader...
Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
Lesson Plan
Curated OER

Perceived Risks

For Teachers 9th - 12th
Young scholars rank a list of everyday risks to compare with classmates. They rate each risk on both its ability to be controlled and its observability in the environment. Results are graphed.
Lesson Plan
Google

Surveys and Estimating Large Quantities

For Teachers 6th - 12th Standards
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
Lesson Plan
Shodor Education Foundation

Sets and the Venn Diagram (Beginner)

For Teachers 1st - 5th Standards
Venn diagrams are helpful in understanding the idea of a set and using attributes to sort items. This basic plan is an introduction with an added bonus of an applet that can be used to demonstrate the activity. If a classroom of...
Worksheet
Curated OER

Explore Subtraction

For Students 7th - 8th
Learnersare given 26 tables and graphs in which they must fill in missing numbers and graph equations. They subtract a given value of x from a constant number, and use a number line to subtract larger numbers from smaller ones resulting...
Assessment
Bowland

Magic Sum Puzzle

For Teachers 6th - 9th
Learners discover the magic in mathematics as they solve numerical puzzles involving magic sums. They then make a conjecture as to why no additional examples are possible based on an analysis of the puzzles.
Lesson Plan
Curated OER

Patterns and Pentominoes

For Teachers 2nd - 7th
Students solve pentomino puzzles.  In this problem solving instructional activity, students discuss how pentomino puzzles play into the plot of Chasing Vermeer by Blue Balliett and practice solving a pentomino puzzle on their...
Assessment
1
1
California Education Partners

Improving Our Schools

For Students 5th Standards
Split the work three ways. Learners use their knowledge of fractions to solve problems dealing with splitting up work loads evenly between three groups. Scholars determine the fractional portion of work each group will do along with...
Unit Plan
Mathematics Vision Project

Module 2: Logarithmic Functions

For Students 9th - 12th Standards
Build a solid understanding of logarithmic functions and equations. Five lessons in the module begin by developing the concept of a logarithm. The next lessons address graphing logarithmic functions, logarithmic properties, and solving...
Lesson Plan
Curated OER

The Game is Afoot - A Study of Sherlock Holmes

For Teachers 5th
Mystery is an exciting genre for young readers to investigate. The plots are so intriguing! Here is a series of lessons featuring Sherlock Holmes stories that invite learners to enter the world of the mystery genre.  Based on what...
Lesson Plan
Curated OER

Rule It Out

For Teachers 2nd - 5th
Here's a way to create math fact flash cards! Learners create their own cards and sort them into matching categories. Students start with addition and work their way up to harder math such as multiplication, and are asked to notice...
Lesson Plan
Curated OER

2002 State Flower Show

For Teachers 2nd - 3rd
Here is another State Quarter lesson. This one uses the Mississippi State Quarter. Pupils utilize beautifully-designed worksheets embedded in the plan, to practice calculating which combinations of flowers they can afford to buy. They...
Lesson Plan
EngageNY

Recursive Formulas for Sequences

For Students 9th - 10th Standards
Provide Algebra I learners with a logical approach to making connections between the types of sequences and formulas with a lesson that uses what class members know about explicit formulas to develop an understanding of...
Activity
Denton Independent School District

Pieces to the Puzzle Fraction Project

For Teachers 4th - 6th Standards
Four polygons each have a fraction with unlike denominators printed on them. Creative math minds select several shapes to create a design with and then write and solve a math problem involving the addition of all of the fractions...
Worksheet
Curated OER

Factors of Numbers from 66 to 100

For Students 4th - 6th
Finding factors requires practice and a logical system, so help scholars develop this skill with these problems. They write out the factor list for 9 two-digit numbers and then circle the factors from a list for four more numbers....
Lesson Plan
PBS

Patterns to the Rescue!

For Teachers 3rd - 5th Standards
Track down the Cyberchase episode that this lesson plan is associated with. Using a worksheet that is embedded in the plan, learners must find the next two numbers and shapes (a double pattern). Once these have been discovered, pupils...
Lesson Plan
Curated OER

Cutting Corners - Parts 1 and 2

For Teachers 9th - 12th
Students use optimization concepts to design their own container. In this optimization lesson plan, students understand how the optimization concept is critical in calculus and why products are packaged the way they are.
Activity
Noyce Foundation

What's Your Angle?

For Students K - 12th Standards
Math can be a work of art! Reach your artistic pupils as they explore angle measures. A creative set of five problems of varying levels has young learners study interior and exterior angle measures of polygons. The introductory levels...