Curated OER
Commutative, Associative, and Distributive Properties
Students explore the concept of the associative, commutative, and distributive properties. In the associative, commutative, and distributive properties lesson, students discuss real world examples of each property. Students demonstrate...
Curated OER
Addition - Three 1-Digit Numbers
In this addition practice worksheet, learners practice their computation skills as they solve 30 problems that require them to add 1-digit numbers. Each problem has 3 addends.
Curated OER
Addition - Three 2-Digit Numbers
In this addition practice worksheet, students practice their computation skills as they solve 25 problems that require them to add 2-digit numbers. Each problem has 3 addends.
Curated OER
Addition: 2-Digit plus 2-Digit, No Regrouping
In this addition learning exercise, students complete 30 problems, adding two, 2-digit numbers-no remainders. Worksheet includes links to answers and additional worksheets.
Curated OER
Addition: 2-digit + 2-digit - Regrouping
For this addition worksheet, 3rd graders focus on the addition of double digit numbers. Students solve for 30 problems using regrouping where necessary.
Curated OER
Addition: Number Bonds to 40
For this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
Curated OER
Addition - Decimals
In this decimal addition activity, students solve 15 problems that require them to add decimal numbers with 1-5 digits.
Curated OER
Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...
Curated OER
The Sum of All Angles
Students add up the different angles using the angle addition postulate. For this geometry lesson, students differentiate between interior and exterior angles. They calculate the different angles for triangles and use proof to show their...
Curated OER
Adding and Subtracting Decimals
The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...
American Institute of Architects
Architecture: It's Elementary!—First Grade
Build an interest and appreciation for architecture in your young learners with this fun 10-lesson art unit. Engaging children in using their five senses, the class first observes the environment around them, paying...
Curated OER
Mental Math Methods
In this mental math learning exercise, students use mental math methods to solve problems. Students complete 1 addition, 1 multiplication, and 1 subtraction problem using these methods.
Curated OER
Distributive Property, Identity
Seventh graders review rational numbers. After listening to a story, 7th graders define the distributive and identity properties. They observe examples of each property and play a race game to practice identifying the properties. ...
Curated OER
Math Vocabulary
In this math vocabulary worksheet, 6th graders match twenty-three math vocabulary words from column A to the definitions in column B.
Curated OER
Three Little Kittens: Addition Booklet
Students explore math problem solving strategies while reading a nursery rhyme. In this addition lesson, students learn math skills such as solving simple equations, graphing data and extending patterns while reading The Three Little...
Curated OER
Commutative, Associative, and Distributive Properties
In this properties worksheet, learners solve 10 problems by completing each statement so that it is true. First, they identify each property and which one will be used in each computation that follows. Then, students solve each problem...
Curated OER
Arrays To See Multiplication
Fifth graders examine multiplication. They construct arrays to demonstrate specific multiplication facts. They identify examples and non-examples of arrays. Students use counters to model the commutative property of multiplication.
Curated OER
Adding Integers Using an Integer Line
In this integers worksheet, students use integer lines to add the positive and negative numbers. They can show the answers online.
Curated OER
Worksheet #2: Algebraic Expressions
In this algebraic expression worksheet, students evaluate algebraic expressions involving the addition, subtraction, division, and multiplication of negative and positive integers. Students identify mathematical properties and find the...
Curated OER
Vectors: Follow That Arrow
Vectors and their connection to motion. A video will be presented to provide information for the class to use methods of solving vectors with and without grids. Real-world physical concepts will be explored in reference to vectors.
Curated OER
Modeling Addition: Commutative Property and Zero Property
First graders practice modeling addition. In this hands-on addition lesson plan, 1st graders are introduced to the Commutative Property of Addition and the Zero Property of Addition through modeling and the use of manipulatives. This...
Curated OER
Area Applet
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...
Virginia Department of Education
Mathematics Vocabulary Cards – Grade 4
An excellent way to reinforce math vocabulary in your classroom! Seventy-eight posters focus on number and number sense, computation and estimation, measurement, geometry, probability and statistics, and patterns, functions, and algebra.
Mathematics Assessment Project
Identifying Similar Triangles
Math whizzes work with angle sums and exterior angles to figure out the measure of other angles. This particular publication provides comprehensive support in the form of an anticipatory activity, questions designed to prompt discussion,...