Curated OER
To Quote or Not to Quote
Introduce your middle and high schoolers to the correct use of quotation marks. They identify examples of correct and incorrect quotations in magazines and edit a paragraph in groups. Use this lesson as a way to reinforce proofreading...
Curated OER
Prime And Composite Numbers - Fuzoku Elementary
Fourth graders investigate the concept of prime and composite numbers. Students study the visual representation for the numbers and use the pictures in order to develop designs for larger numbers. The goal of the lesson is for them to...
Curated OER
Ratio and Proportion: Basic Operations and Applications
Learners explore example problems dealing with ratios and proportions. Afterward, they read story problems and solve them using ratios and proportions. This four-page worksheet contains six multi-step problems.
Curated OER
Multiplying and Dividing Fractions and Mixed Numbers
Help math learners discover how to multiply fractions and mixed numbers. They will explore visual examples of the operations. They also practice solving problems that their instructor models.
Curated OER
Order of Operations
In this order of operations worksheet, students solve problems that include all four operations, parenthesis, square roots, and more. Students complete 50 problems.
Curated OER
Using Proportions to Solve Problems
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...
Curated OER
Solving Linear Systems Using Matrices
Start with the definition of a determinant and how to evaluate a 2x2 determinant. Apply this skill to solve systems of two equations with two unknowns by using Cramer's rule. These four basic problems would be good for a quick review or...
Curated OER
Factors
Practice factoring numbers by using graph paper, manipulatives and computer applets.
Curated OER
Basic Subtraction Fact Worksheets to 20
Print this learning exercise and have your helper pass it out. The class can use it to practice subtracting single and double-digit numbers up to 20. Some borrowing is required.
Alabama Learning Exchange
Polygon Perimeters
What are polygons? Learners find the perimeter of various geometric figures that the teacher has drawn in chalk on the sidewalk. A worksheet to record their measurements is provided. Get your third graders outside and exploring the world...
Helping with Math
Multiplying by Multiples of 10
Elementary schoolers solve six problems, multiplying by multiples of 10. They line up the numbers as shown and then check their answers online.
Curated OER
Matrices at the Speed of Light!
Perform operations using matrices in this algebra lesson. Middle schoolers add, subtract, and multiply matrices. Additionally, they solve systems of equations using matrices.
Curated OER
Understanding 10: Backwards and Forwards
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
Curated OER
Building Sets of 13 and 14
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
Curated OER
Exploring the Hudson in 1609
While this instructional activity focuses on a study of the Hudson River, it could be used as a template for a discussion of map skills, converting measurements, and plotting a route. The instructional activity includes vocabulary and...
Illustrative Mathematics
Words to Expressions 1
Designed as a follow-up to the lesson plan titled Watch Out for Parenthesis 1, this activity asks young learners to write an equation for the calculation described with words rather than numbers and symbols. The treasure that 5th...
Curated OER
Properties of Equality
What assumptions are made in order to solve equations? An instructional slideshow provides an overview and guided examples of how properties of equality can be used to justify each step in solving equations.
Curated OER
ExplorA-Pond: 4th Grade Perimeter Estimation
Your geometers are used to finding the perimeter of a square or rectangle, so give them something different this time! With this lesson, small groups will receive a picture of a shoreline and calculate the perimeter. The website listed...
Curated OER
Greater Than, Less Than, or Equal To
Elementary schoolers explore using the symbols for greater than, less than, and equal to in various equations. They discuss the different signs used in equations and what each sign represents. Learners practice using the various signs.
Curated OER
Evaluating Transcripts
Ninth graders review their transcripts and calculate their individual grade point averages. They brainstorm on how they can keep track of their progress in school and what information will follow them throughout their lives. Each student...
Curated OER
Discovering Math: Computation
Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...
Curated OER
Expressions and Equations
Develop understanding of algebraic expressions and equations by having your class define examples of each. The class discusses how parentheses affect the order of operations and learn how to solve for x. A variety of examples are used.
Curated OER
Operations with Decimals
Help your learners get practice with operations involving decimals. They will follow prescribed steps that require them to use mixed operations to solve problems with decimals. Great for practice after pupils have had comprehensive...
Curated OER
Introducing the Concept: Percents
Students explore the math concept of percents. In this percents lesson, students examine visual examples of the relationships among fractions, decimals, and percents. Students also practice solving problems that their instructors model.