Virginia Department of Education 
Give or Take a Few
Young mathematicians extend their knowledge of rational numbers on a number line to graph inequalities by first using number cards to compare rational numbers. They finish by using similar reasoning to graph inequalities on a number line.
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Grade 3 Math-Advanced 5
In this grade 3 math worksheet, 3rd graders answer a set of 20 'advanced' multiple choice questions covering a variety of concepts. Answers may be checked online.
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Rounding Numbers
Fourth graders complete math problems where they round numbers to the nearest ten, hundred, or thousand. In this rounding lesson plan, 4th graders explain how to round the problems they solve.
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Whole Numbers
Student are assigned one of the sections on whole numbers.  After reviewing the content, they teach their assigned sections to other class mates.  They publish their findings on a PowerPoint slide show to use when they teach their section.
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Can You Find Me?
Fourth graders participate in a parachute math game. They run under the parachute after it has been lifted, looking for a card that has an equivalent fraction or decimal on it to match the one they were given by the teacher.
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Planet Picking
Students arrange the planets according to their distances from the sun. In this astronomy activity, students list interesting properties about each planet. They identify an unknown planet photo.
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Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
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Two-Step Equations
Students explore the concept of solving two-step equations. In this solving two-step equations lesson, students watch a short video about solving equations. Students view a PowerPoint presentation about solving two-step equations....
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Divisibility Checks: Paired Activity
In this division game worksheet, students will work in small groups to play a game about dividing numbers. A teacher's guide with game instructions is included.
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Is Your Square Complete?
High schoolers practice solving quadratic equations using a form called Complete the Square.
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Million Dollar Gift
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.
Curated OER
Complexity
Students perform mathematical operations on complex numbers. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice performing operations on complex numbers.
Sophia Learning
Sophia: Ordering Fractions and Decimals
This video tutorial reviews how to order fractions and decimals by converting the numbers to either all fractions or all decimals. It includes detailed examples.
Scholastic
Scholastic: Study Jams! Math: Fractions: Order Fractions and Decimals
After completing a step by step activity to order fractions and decimals then test your knowledge.
E-learning for Kids
E Learning for Kids: Math: Baseball: Fractions and Decimals
Explore fractions and decimals with Tony at the baseball field through these leveled learning exercises.
CK-12 Foundation
Ck 12: Elem Math: Arranging Decimals and Fractions in Order of Increasing Value
[Free Registration/Login may be required to access all resource tools.] For this learning module, students compare and order fractions and decimals from greatest to least or vice versa. Includes video demonstrating a sample problem...
Utah Education Network
Uen: Ordering and Computing With Negative Fractions and Decimals
This lesson plan allows students to practice comparing and ordering rational numbers on a number line as well as computing with fractions and decimals. It provides an assessment plan and attachments for the lesson's activities.
Mangahigh
Mangahigh: Number: Order Decimals and Fractions
Students learn about the concept of ordering fractions and decimals by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
E-learning for Kids
E Learning for Kids: Math: Husky Sled: Decimals and Percentages
On this interactive site students learn to express hundredths as fractions and decimals, place decimals in ascending order, and represent simple fractions and decimals as percents.
Texas Education Agency
Texas Gateway: Comparing and Ordering Rational Numbers
Given a problem situation, the student will compare and order integers, percents, positive and negative fractions and decimals with or without a calculator.
CK-12 Foundation
Ck 12: Positive and Negative Fraction and Decimal Comparison Grade 6
[Free Registration/Login may be required to access all resource tools.] Compare and order positive and negative fractions and decimals.
McGraw Hill
Glencoe: Self Check Quizzes 3 Comparing and Ordering Rational Numbers
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of comparing and ordering rational numbers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of...
Math Drills
Math Drills: Order of Operations Worksheets
Order of operations worksheets can be downloaded and printed for free. Sheets focus on the order of operations with whole numbers, integers, fractions, and decimals.
Calculator Soup
Calculator Soup: Ordering Fractions Calculator
Compare and order fractions, integers, mixed numbers and decimals in ascending or descending order. Order fractions from least to greatest or from greatest to least.