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Worksheet
Curated OER

Counting: 1-100

For Students K - 2nd
A simple worksheet with pictures of drums in a 100-chart format. Have your students count the drums, and identify where the drums are that correspond to numbers ending in zero and five. Enlarge on a copier to 11x17 sized paper so...
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Lesson Plan
Curated OER

The Ants Go Marching

For Teachers Pre-K - 1st
Integrate art, math, life science, music, and fun in this beginning addition and subtraction activity. Children kinesthetically represent adding and subtracting numbers to 10; they stand up one at a time as you count forward and sit down...
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Lesson Plan
Curated OER

The Ten Little Indians Count

For Teachers K
Students engage in a fun, hands-on activity that uses a Thanksgiving theme to incorporate one-to-one counting to 10. They utilize a worksheet imbedded in this plan to help them with their counting skills.
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Worksheet
Curated OER

Complex Analysis: Linear Transformations, Inversion Mappings

For Students Higher Ed
In this transformation worksheet, students identify a series of transformations and sketch them. They use inversion mapping to establish a one-to-one correspondence between nonzero points. This four-page worksheet contains...
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Worksheet
Curated OER

Infinity and Cardinality

For Students 7th - 8th
In this infinity worksheet, learners determine a one-to-one correspondence between two finite sets. They discuss the relationship between the cardinalities. This one-page worksheet contains two problems.
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Lesson Plan
Illustrative Mathematics

Two Lines

For Teachers 7th - 9th Standards
Here is a resource that helps your algebra learners understand the connection between the graph of two lines, the equations of lines, and the solutions and intersecting points of lines. It would make a great assessment question, but can...
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Lesson Plan
PBS

Remove One

For Teachers 6th - 8th Standards
With a set of 15 chips and a number line, learners predict what sums may occur with the rolling of two dice. When their sum comes up, they remove one of the chips from their number line with the objective of being the first to remove...
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Lesson Plan
Pennsylvania Department of Education

Thinking About Numbers from 1 to 20

For Teachers 1st - 2nd
Help your kindergarteners discover new number-sense concepts and to compose and decompose numbers. Though the resource contains no procedural details, the assessment tool (which you can find in the "printer friendly version") has lots of...
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Unit Plan
Mathematics Vision Project

Circles: A Geometric Perspective

For Teachers 10th - 12th Standards
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
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Assessment
Inside Mathematics

Rhombuses

For Teachers 9th - 12th Standards
Just what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...
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Lesson Plan
EngageNY

Conversion Between Celsius and Fahrenheit

For Teachers 8th Standards
Develop a formula based upon numerical computations. The 31st part of a 33-part unit has the class determine the formula to convert a temperature in Celsius to a temperature in Fahrenheit. They do this by making comparisons between the...
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Lesson Plan
EngageNY

The Side-Angle-Side (SAS) and Side-Side-Side (SSS) Criteria for Two Triangles to Be Similar

For Students 9th - 10th Standards
Playing with mathematics can invoke curiosity and excitement. As pupils construct triangles with given criteria, they determine the necessary requirements to support similarity. After determining the criteria, they practice verifying...
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Lesson Plan
EngageNY

Angles Associated with Parallel Lines

For Students 8th Standards
Explore angle relationships created by parallel lines and transversals. The 13th lesson of 18 prompts scholars use transparency paper to discover angle relationships related to transversals. Learners find out that these angles pairs are...
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Lesson Plan
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EngageNY

Systems of Equations

For Students 10th - 12th Standards
What do you get when you cross a circle and a line? One, two, or maybe no solutions! Teach learners to find solutions of quadratic and linear systems. Connect the visual representation of the graph to the abstract algebraic methods. 
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Worksheet
Curated OER

Generating Number Sequences

For Students 8th - 10th
Practicing number sequences, students solve 5 various problems that include determining various number sequences in each. First, they work out what number comes out of each of the given machines. Then, students write down the first five...
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App
Freecloud Design

Mathmateer

For Students K - 6th Standards
Three, two, one...liftoff! Elevate math skills to new heights while having a blast. A great resource that combines entertainment and education for children of all ages.
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Activity
Education Development Center

Similar Triangles

For Students 8th - 10th Standards
Model geometric concepts through a hands-on approach. Learners apply similar triangle relationships to solve for an unknown side length. Before they find the solution, they describe the transformation to help identify corresponding sides.
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Worksheet
Worksheet Web

Using Pictographs

For Students 3rd - 5th Standards
If one ice cream cone represents three ice cream scoops, and Bob has four ice cream cones, then how many scoops does Bob have? Learners solve these kind of questions with their new understanding of pictographs.
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Activity
Mrs. Burke's Math Page

The Amazing Pi Race

For Teachers 7th - 12th Standards
Add a sense of excitement to your math class with this race across the country. Using their knowledge of all things circular, young mathematicians work in pairs answering a series of pi-related word problems as they hop from one city to...
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Activity
PBL Pathways

Do Homework?

For Teachers 10th - Higher Ed Standards
To complete homework or not to complete homework ... that is the question. Decide whether it makes a difference on finals by doing homework. Individuals create a scatter plot and find a line of best fit for data on the percent of...
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Worksheet
DK Publishing

Learning 4 - Write the Word

For Students Pre-K - K Standards
Focus on the number four as youngsters complete several exercises to solidify this number concept. Note pre-readers will have a hard time with this, as it requires reading instructions. Consider doing together as a class or having...
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Lesson Plan
Curated OER

When Does SSA Work to Determine Triangle Congruence?

For Teachers 9th - 10th Standards
Your learners will make good use of the Socratic method in a collaborative task that begins with an assumed solution and ends with deeper understanding of the idea of determining two triangles congruent.
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Interactive
Annenberg Foundation

Geometry 3D Shapes: Euler's Theorem

For Students 6th - 10th Standards
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...
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Worksheet
Curated OER

Make Ten Bundles

For Students K - 2nd
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...