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Unit Plan
Curated OER

Multiplication & Division

For Teachers 4th - 5th Standards
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
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Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th - 6th Standards
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
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Lesson Plan
Curated OER

Addition and Subtraction

For Teachers 2nd - 3rd
Young scholars develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
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Worksheet
Curated OER

Adding & Subtracting Fractions and Mixed Numbers

For Students 7th - 9th
For this pre-algebra addition and subtraction of fractions and mixed numbers worksheet, students add or subtract fractions in the first 10 problems. They write the answers in simplest terms. They add or subtract mixed numbers in the last...
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Lesson Plan
Curated OER

Adding and Subtracting Decimals With Excel

For Teachers 5th
What a great way to have pupils apply classroom learning to real-world skills! They complete problems involving the addition and subtraction of decimals related to banking-type questions, and then use a spreadsheet to display their results.
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Worksheet
Curated OER

Picture Graphs

For Students K - 1st Standards
An innovative way to practice reading data, as well as the four operations! Three picture graphs prompt first graders to count marbles, books, and pets. They also solve addition and subtraction problems. Additionally, they work on...
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Worksheet
Fuel the Brain

Separate Result Unknown: Addition & Subtraction

For Students 2nd - 3rd
Have you done enough chores to earn the right amount of money for the things you want to buy? Have your youngsters use addition and subtraction to determine if Brady and Abigail have enough money to buy their preferred items!
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Worksheet
Curated OER

Positive & Negative Numbers

For Students 6th - 8th
Young mathematicians solve and complete 22 different problems that include using a number line to evaluate. First, they define each of the terms listed. Then, pupils graph each integer on the given number line. They also evaluate each...
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Worksheet
Math Doctor

Chapter 2: Integers & the Number Line

For Students 6th - 8th Standards
Here is an extensive set of teacher's notes to help you teach all about integers. Begin by introducing a number line and how it can be used to visualize positive and negative numbers. Talk about absolute value and the additive inverse...
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Lesson Plan
Curated OER

Addition & Multiplication of Matrices

For Teachers 9th - 12th
Learners add and multiply matrices. They explore the dimensions of products of a matrix. After observing problems on the overhead, students solve their own matrix problems. They list and define the properties of matrix multiplication.
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Worksheet
Curated OER

Tables & Data

For Students 4th
In this problem solving worksheet, 4th graders study the data found on a table involving the number of cans collected during a fund-raiser. Students utilize the concepts of addition and subtraction to solve 8 sentence word problems.
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Worksheet
Curated OER

Tables & Data

For Students 4th
In this problem solving worksheet, 4th graders analyze a table involving how many tickets were sold by 4 students. Students utilize the concepts of addition and subtraction to solve 8 sentence word problems.
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Lesson Plan
Curated OER

Summer Packet - Math & Reading

For Teachers 4th - 5th
In this math and reading comprehension worksheet packet, students solve 700 basic addition, subtraction, multiplication, and division facts. Next, they identify what a sentence looks like, the difference between there and their, and read...
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Lesson Plan
Curated OER

Adding & Subtracting Decimals

For Teachers 5th - 8th
Learners add and subtract decimal numbers. Using a specified website, students play an addition game. As they solve problems on the website, learners may check their answers. Students play the game on the internet, and then perform...
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Lesson Plan
Curated OER

Extra Practice 40: Addition, Subtraction & More Multiplication With Radicals

For Teachers 10th - 11th
In this radical worksheet, pupils collect like terms then add or subtract the radical terms. Students multiply given radicals. This two-pate worksheet contains 25 pages.
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Lesson Plan
Curated OER

Utah History & Geography

For Teachers 4th
Fourth graders practice large digit addition. Students become familiar with column addition. Students develop knowledge of counties and county seats.
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Worksheet
Scholastic

Sums & Differences

For Students 3rd - 6th Standards
Word problem solving and inter-galaxy football combine to offer a great worksheet for practicing adding and subtracting whole numbers! 
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Worksheet
Curated OER

Adding & Subtracting Polynomials #4

For Students 8th
In this adding and subtracting polynomials worksheet, 8th graders solve and simplify ten problems with variables, exponents, addition and subtraction.
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Lesson Plan
Curated OER

Multiplication & Division Word Problems, Bilingual (Middle, Mathematics)

For Teachers 6th - 8th
Middle schoolers use multiplication, division, addition, and subtraction to solve problems; Estudiantes utiliza la multiplicaci??n, la divisi??n, la suma, y la resta para hacer los siguientes
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Lesson Plan
Pennsylvania Department of Education

What Balances?

For Teachers Pre-K - 2nd
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
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Lesson Plan
Curated OER

Number: Negative Numbers

For Teachers 5th - 6th
Pupils solve numerical equations with negative numbers. They use the number line to compare the relationship of numbers greater than zero to those less than zero. They practice starting at various points on the number line and then...
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Lesson Plan
Foreign Policy Research Institute

Ancient History: The Importance of Logistics in Greek & Roman Armies

For Teachers 11th - 12th
Before one can understand the military tactics practiced throughout history, he needs to become familiarized with tactics practiced in the ancient past. Learners take a critical look at the military logistics used by Alexander the Great...
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Lesson Plan
Discovery Education

Sonar & Echolocation

For Teachers 9th - 12th Standards
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
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Worksheet
Curated OER

Section 2.1 & 2.2 Solving Equations

For Students 7th - 10th
This two page worksheet contains 32 problems to solve. There are examples given for each set of problems. The first set is to work on adding or subtracting a term to get the variable by itself. The second set is about dividing both sides...