Worksheet
Curated OER

MT-A314 Introduction to Linear Algebra: Worksheet 4.4

For Students 10th - 11th
In this linear algebra learning exercise, students prove that a given matrix is orthogonal. In addition, they list the entries for the second column of a matrix and make comparisons. Students complete three problems.
Lesson Plan
For the Teachers

$1 Math

For Teachers 2nd - 7th Standards
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
Lesson Plan
Curated OER

Let's Trade

For Teachers 2nd
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Worksheet
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Four + One = Five

For Students 9th - 10th
In this algebra activity, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.
Worksheet
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Curated OER

Inverse Relationships (5)

For Students 2nd - 3rd
In this addition and subtraction fact family worksheet, students use the numbers given to fill in the missing numbers in each pair of fact families. Students solve 60 problems.
Worksheet
Curated OER

Algebra: subtraction and addition

For Students 4th - 6th
In this algebra worksheet, students find the value of the variables in the addition and subtraction problems. Students complete 6 problems.
Worksheet
Curated OER

Simple Algebra; Solve for the Variables

For Students 8th - 9th
In this math worksheet, learners solve ten two-step algebra equations for the variable. Each problem involves a multiplication or division problem as well as addition and subtraction.
Lesson Plan
Curated OER

Balancing Number Sentences to Introduce Missing Values

For Teachers 4th - 7th
Learners balance number sentences to learn about missing values. In this balanced equations lesson, students use the word problem to study missing values. Learners watch a video about the topic and play two games about balancing...
Worksheet
Curated OER

Simple Algebra, Assigned Values

For Students 8th - 9th
In this math activity, students solve equations for the missing number. Problems are mixed addition, subtraction, division, and multiplication. Students select one answer from the three choices offered.
Worksheet
Curated OER

Addition and Subtraction of Polynomials

For Students 9th
In this polynomials worksheet, 9th graders solve 10 different problems that include addition and subtraction of various polynomials. First, they remove the parentheses and group like terms together. Then, students add or subtract like...
Worksheet
Curated OER

Adding and Subtracting Polynomials

For Students 8th - 9th
In this algebra activity, students add and subtract 30 sets of polynomials. 12 problems involve addition, 17 are subtraction problems, and one involves both addition and subtraction of polynomials.
Lesson Plan
Curated OER

Adding And Subtracting Polynomials

For Teachers 6th - 9th
Students investigate the concept of adding and subtracting polynomials. They put terms in the correct order in order to solve them vertically. They simplify first with combining like terms and then conducting the calculations. The...
Lesson Plan
Curated OER

Integer

For Teachers 7th
Seventh graders examine the characteristics of an integer. As a class, they observe a number line and recognize opposite numbers. Algebra tiles, or counters, are used to explore the concept of adding integers. In groups, 7th graders play...
Lesson Plan
Curated OER

Order of Operations with Variable Expressions

For Teachers 6th - 8th
Middle schoolers explore grouping symbols to mathematical equations to discover the importance of the "order of operations." Learners compare the absence of commas in connected text to the absence of grouping symbols in mathematical...
Lesson Plan
EngageNY

Comparing Methods—Long Division, Again?

For Students 10th - 12th Standards
Remember long division from fifth grade? Use the same algorithm to divide polynomials. Learners develop a strategy for dividing polynomials using what they remember from dividing whole numbers.
Worksheet
Curated OER

Adding and Subtracting Positive and Negative Numbers

For Students 8th - 9th
In this math worksheet, students complete 32 addition and subtraction problems. The first 22 involve integers. There are 6 problems with positive and negative decimals. The last 4 problems are fractions.
Lesson Plan
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The Three Cold Kittens

For Teachers 1st - 2nd
Students solve a math word problem involving repeated addition. They identify the important information in the problem, brainstorm ways to solve the problem, and solve the problem and discuss the solution as a class.
Lesson Plan
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Commutative Property

For Teachers 1st
First graders use various models to learn the Commutative Property of Addition. In this Commutative Property lesson, 1st graders use other students, counters, balances, and dominoes to apply the addition property. Students solve addition...
Lesson Plan
Alabama Learning Exchange

"Like Terms", I Add Them

For Teachers 9th Standards
Ninth graders add and subtract polynomials.  In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan.  Both the horizontal and vertical methods of addition and...
Worksheet
Curated OER

Variables and Expressions

For Students 9th
In this variables and expressions worksheet, 9th graders solve and complete 19 different problems that include translating various expressions. First, they write a verbal expression for each algebraic expression. Then, students write an...
Worksheet
Curated OER

Algebra 2

For Students K - 6th
For this algebra worksheet, students solve for the variables in the addition and subtraction problems. Students complete 72 problems.
Lesson Plan
Curated OER

Who Won the Cross-Country Meet?

For Teachers 4th - 6th
Students write verbal expressions into algebraic expressions and solve the expressions. They determine who wins a race by determining the algebraic expression.
Worksheet
Curated OER

Expressions and Operations

For Students 9th
For this expressions and operations worksheet, 9th graders solve and complete 11 different problems that include solving a puzzle. First,, they solve each problem with the correct method. Then, students match that answer to the correct...
Worksheet
Curated OER

Algebra

For Students 6th
In this algebra instructional activity, 6th graders solve for y in the addition and subtraction problems. Students complete 50 problems total.