Activity
Illustrative Mathematics

Slopes and Circles

For Teachers 9th - 12th Standards
An upper-level treatment of what is often presented as a basic concept (the right angle of an inscribed circle on the diameter), this activity really elevates the mathematical thought of the learner! Expected to develop formulas...
Lesson Plan
Curated OER

Comparing and Ordering Decimals - Complete Lesson Plan

For Teachers 4th - 5th
Base ten blocks serve as visual representations of numbers that include decimals to the hundredths place. Children compare and order decimals in their math journal as they build the corresponding numbers with base ten blocks.
Lesson Plan
Curated OER

Relations

For Teachers 2nd - 4th
Students identify, compare, and analyze shapes and numbers. In this analogies and comparison math lesson, students warm up by completing 4 worksheets to familiarize themselves with analogies. In small groups, students are challenged to...
Lesson Plan
Curated OER

Decimal War

For Teachers 4th - 5th
Pupils play a math game. For this decimals and fractions lesson, they use base ten blocks to practice converting between decimals and fractions. Everyone plays a game called Decimal War to practice these concepts.
Lesson Plan
Curated OER

Clock Fractions

For Teachers 4th - 6th
Elementary schoolers generate and manipulate fractions. They review equivalent fractions and use an analog clock to create and add fractions. Pupils work in groups to complete two fraction worksheets.
Lesson Plan
Curated OER

Justifying Answers

For Teachers 2nd - 3rd
Young scholars study story problems and learn how to find and justify their answers. They will use a story problem and then respond to the prompt questions from the teacher. They must add and subtract facts to 6 and learn how to justify...
Lesson Plan
Curated OER

An Easier Way to Count: Using Groups of 10

For Teachers 1st - 2nd
Students explore their counting skills. For this counting lesson, students group objects in sets of 10 to practice counting them. Students also practice graphing the sets of objects they count.  This lesson incorporates...
Lesson Plan
Curated OER

Using Proportions to Solve Problems

For Teachers 6th
Skittles and math? Pupils will work as a class to determine how many orange Skittles are in a large bag by using proportions. They will problem solve, estimate, and share their thinking. Then, they will each receive a small bag of...
Lesson Plan
Curated OER

Half of a Half

For Teachers 3rd - 5th
After your math classes have been introduced to fractions (especially those with denominators of two, four, and eight), introduce them to fractions on a number line with this lesson plan. Using a meter length of tape, show your class...
Lesson Plan
Curated OER

Making Cents of Fractions and Decimals

For Teachers 4th - 5th
Students explore decimals and fractions using groups of 100 pennies. By classifying the pennies in different ways, there are an unlimited number of ways to learn fractions, decimals, and place value in money. This is a good, hands-on...
Lesson Plan
University of Arkansas

Twizzling Fractions

For Teachers 3rd - 5th
Using food as a manipulative is one of the best ways to incorporate hands-on learning in the classroom. This hands-on approach allows young mathematicians to compare, order, and identify fractions with the use of Twizzlers® and...
Lesson Plan
Curated OER

Area Applet

For Teachers 3rd - 6th
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
Lesson Plan
Curated OER

Name Collections with Craft Sticks

For Teachers K
Groups of Kindergarten students count craft sticks in different groups and name how many they have. They complete simple addition to ten with the use of manipulatives.
Lesson Plan
Curated OER

Linear Equations

For Teachers 9th - 11th
This is a great lesson plan from start to finish. With partners and on their own, learners write and solve linear equations and inequalities. They use manipulatives, group work, and an included worksheet to make magic with their problem...
Lesson Plan
Curated OER

Subtracting Whole Numbers

For Teachers 2nd
Second graders practice subtracting numbers by using a visual aide.  In this number sense lesson, 2nd graders complete whole number subtraction problems by utilizing manipulative cubes to visualize the equation.  Students...
Unit Plan
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Intensive Intervention

Fractions as Numbers

For Teachers 3rd - 7th Standards
Your learners will enjoy thoroughly understanding fractions, and you will appreciate the abundant, quality resources in this comprehensive unit that builds toward a complete understanding of the concept of fractions as numbers. Many...
Lesson Plan
Mathematics Assessment Project

Representing 3-D Objects in 2-D

For Teachers 9th - 12th Standards
How  does the shape of the surface of water in a container change as water leaks out? After tackling this question, learners take part in a similar activity with more complex figures.
AP Test Prep14:02
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Flipped Math

Calculus AB/BC - Derivatives of tan(x), cot(x), sec(x), and csc(x)

For Students 10th - 12th
Continue to differentiate the rest of the trigonometric functions. Pupils see the derivatives of the other four trigonometric functions and begin to memorize the rules. Learners see examples that show that the calculus portion of a...
Lesson Plan
Curated OER

Regrouping Ten Ones for One Ten

For Teachers 2nd - 3rd
Students explore regrouping. In this hands-on math place value instructional activity, students construct models using connecting cubes and place value mats to solve simple addition problems that require regrouping.
Lesson Plan
Curated OER

A Penny Saved is a Penny Earned

For Teachers 9th - 12th
High schoolers explore the concept of exponential growth.  In this exponential growth lesson, students manipulate power models with base 2.  High schoolers discuss what would happen if you doubled a penny over the course of 20...
Worksheet
Curated OER

Algebraic Manipulation

For Students 9th
In this Algebra I activity, 9th graders evaluate algebraic expression by substitution.  Problems include exponents and parenthesis.  The two page activity contains thirty problems with answers.
Lesson Plan
Curated OER

Fair Exchange

For Teachers 2nd
Emma and her brother Sam exchanged some money. Was it a fair trade? Have your learners discuss all of the possibilities for the problem given. Consider having a sheet on the overhead or interactive board that provides all of the coin or...
Lesson Plan
Eisenhower Regioanl Consortium for Mathematics and Science Education

Lesson 10: Integer Addition and Subtraction (for the TI-73 only)

For Teachers 6th - 8th Standards
Using a number line on the floor made from masking tape and manipulatives, learners observe a demonstration of the addition and subtraction processes. After completing several worksheets, they solve three-term problems using calculators...
Lesson Plan
Curated OER

Equations Lesson 1

For Teachers 6th - 8th
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...

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