Lesson Plan
EngageNY

Matrix Addition Is Commutative

For Teachers 11th - 12th Standards
Explore properties of addition as they relate to matrices. Using graphical representations of vector matrices, scholars test the commutative and associative properties of addition. They determine if the properties are consistent for...
Lesson Plan
West Contra Costa Unified School District

Solving Rational Equations

For Teachers 8th - 10th
Scholars first learn to solve two-step equations with fractional coefficients and constants by traditional methods and by clearing the denominator. They continue by learning another approach to solve two-step equations that have decimal...
Worksheet
Common Core Sheets

Comparing Fraction Relative Size

For Students 4th - 5th Standards
Which is the larger amount? Two-fourths of 10 dollars, or one-fourth of 100 dollars? This type of question is the main focus of a worksheet that has learners comparing fractions by their relative size. Each problem contains...
eBook
Whitman College

Calculus - Early Transcendentals

For Teachers 9th - Higher Ed Standards
This textbook takes the learner from the basic definition of slope through derivatives, integrals, and vector multivariable calculus. Each section is composed primarily of examples, with theoretical introductions and explanations in...
Lesson Plan
Illustrative Mathematics

Chicken and Steak, Variation 2

For Teachers 7th - 9th Standards
Many organizations put on barbecues in order to make money. In a real-world math problem, the money allotted to purchase steak and chicken at this barbecue is only one hundred dollars. It is up to your potential chefs to figure out how...
Assessment
Mathed Up!

Addition and Subtraction

For Students 1st - 3rd Standards
After watching a brief video on addition and subtraction, young mathematicians are put to the test. Including 12 problems, individuals solve word problems to find the least number, total amount, and difference of numbers. 
Lesson Plan
Curated OER

Adding More Than Two Numbers

For Teachers 4th - 5th
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
Worksheet
Curated OER

More Addition

For Students 4th - 5th
Turn your mathematicians into addition superstars with these multiple-addend equations. They add up three, four, and five-digit numbers to find the sums, a few of which are six-digit numbers. The twelve vertically aligned equations...
Lesson Plan
Curated OER

Simplify Radicals

For Teachers 7th - 8th
Learners are introduced to the concept of radicals and how to use them in various situations. They review rational and irrational numbers while simplifying different number sentences. They also practice factoring perfect squares.
Lesson Plan
Curated OER

Easy Addition

For Teachers 4th - 8th
Learnes practice an alternate way of carrying when doing addition. In this addition lesson, everyone applies an alternate algorithm when they need to carry when adding. They work from left to right instead of starting in the ones place....
Worksheet
Curated OER

Simple Area of a Rectangle

For Students 3rd - 4th
What is the area? Because there is only one problem here (and it is followed by a detailed explanation) use this as an all-class warm up. Cover up the bottom half until scholars have shared their own answers. They examine a rectangle...
Lesson Plan
Curated OER

Multiplying and Dividing Integers

For Teachers 7th - 8th
In this multiplication worksheet, students multiply and divide positive and negative integers. This one-page worksheet contains 14 problems, with answers.
Worksheet
Curated OER

The Number Tool Box

For Students 3rd - 5th
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers. 
Worksheet
Curated OER

Addition: Number Bonds to Fifty

For Students 2nd - 4th Standards
In this identifying numbers that total fifty worksheet, students use an addend and the sum fifty to write the missing number. Students solve 41 problems.
Lesson Plan
Curated OER

Number Line Relay

For Teachers 7th - 10th
Young scholars investigate the placements of numbers on a number line. In this algebra lesson, students visualise addition and subtraction on a number line.
Worksheet
Curated OER

Adding and Subtracting Integers

For Students 4th
In this online interactive integers worksheet, 4th graders solve 8 addition and subtraction integer math problems and problem solve 6 integers problems involving numbers from -20 to 20. Students check their answers online when done with...
Lesson Plan
Curated OER

Problem Solving Process: One-To-One Correspondence

For Teachers 1st
First graders observe and demonstrate a variety of problem solving strategies to solve problems involving one-to-one correspondence and whole numbers to 100. They discuss the steps of the problem solving process, and solve a word...
Worksheet
Curated OER

The Cross Number Problem

For Students 9th - 11th
In this algebra learning exercise, students complete a cross word puzzle using numbers instead of words. Every number between 1 and 9 can only be used once. There is an answer key with this problem.
Worksheet
Curated OER

Adding and Subtracting Negative Numbers

For Students 6th - 7th
In this positive and negative numbers worksheet, students solve 50 problems in which positive and negative integers are added and subtracted. There is detailed instruction provided. This page was intended to be an online activity, but...
Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (4)

For Students 5th
In this mixed number fraction worksheet, 5th graders add and subtract the like mixed number fractions. Students solve 10 fraction equations.
Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (3)

For Students 5th
In this mixed number fractions worksheet, 5th graders add and subtract the like mixed number fractions. Students solve 10 fraction equations.
Lesson Plan
Curated OER

Adding and Subtracting Decimals

For Teachers 4th
Fourth graders develop the concept of adding and subtracting decimals. In this decimal lesson, they participate in a teacher directed demonstration of how to add and subtract decimals. They work in teams as each person performs one step...
Worksheet
Curated OER

Add Mixed Numbers With Like Denominators (A)

For Students 5th - 8th
In this adding mixed numbers with like denominators worksheet, students problem solve and calculate the answers to seven addition equations.
Worksheet
Curated OER

Adding Mixed Numbers (1)

For Students 5th - 9th
For this adding mixed numbers worksheet, students problem solve and calculate the answers to ten addition equations involving mixed numbers.