Lesson Plan
Curated OER

Polynomials

For Teachers 6th - 8th
Students add and subtract polynomials. In this polynomials assessment, students calculate ten questions using addition and subtraction. Students use Lego manipulatives to create their own worksheet on polynomials.
Worksheet
Curated OER

Fraction Review

For Students 5th - 10th
In this fractions worksheet, learners put fractions into their simplest form, write as improper fractions, add and subtract, estimate amounts, and more. They complete 31 problems.
Worksheet
Curated OER

Standard written method for addition of 2-digits

For Students 3rd - 5th
In this addition activity, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
Worksheet
Curated OER

One-Digit Addition and Subtraction [I]

For Students 1st - 2nd
For this addition and subtraction worksheet, students complete a total of 49 problems, all using one digit numbers. Answers on page 2.
Interactive
Curated OER

Adding Integers II

For Students 5th - 6th
In this adding integers worksheet, students solve 10 problems, adding integers. Students may click on hint or check answer buttons. Page has links to additional resources.
Worksheet
Curated OER

Add and Subtract Equations With Equal Sign - Guided Lesson Explanation

For Students 1st
What sign is missing? Is this equation true? Rather than a worksheet, this resource is a one-page script for a guided lesson on addition and subtraction equations. While the pupil handout is missing, the teacher guide could be...
PPT
Curated OER

Positive and Negative Numbers

For Teachers 4th - 5th
Preview a presentation that goes over the definitions of postive numbers, negative numbers, and integers with your mathematicians. Many examples of how these numbers are used in daily life are presented, as well as examples of how these...
Lesson Plan
Curated OER

Counting Back and Counting On

For Teachers Pre-K - 2nd
Read aloud your choice of books about counting on and counting back (a list is provided, or tell stories of your own). Your learners will write horizontal equations to portray what happens in the story. They build a paper chain and...
Lesson Plan
Curated OER

Positive and Negative Numbers

For Teachers 6th - 9th
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson plan, learners use Algebra blocks to demonstrate multiplying polynomials.
Worksheet
Curated OER

Add and Subtract Decimal Thousandths (C)

For Students 5th - 6th
In this decimals worksheet, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.
Worksheet
Curated OER

Integer Addition and subtraction [B]

For Students 4th - 5th
In this integer addition and subtraction learning exercise, students solve a total of 33 addition and subtraction problems; answers are included on page 2.
Worksheet
Curated OER

Integer Addition and Subtraction [A]

For Students 4th - 6th
In this integer addition and subtraction learning exercise, students solve a total of 33 addition and subtraction problems; answers are included on page 2.
Worksheet
Curated OER

One-Digit Addition and Subtraction [C]

For Students 1st - 2nd
For this division with no remainder worksheet, students solve a total of 25 problems. All problems have 2 digit divisors and 4 digit dividends.
Activity
Illustrative Mathematics

Hitting the Target Number

For Students 2nd Standards
Make combinations to reach the target. Learners play a game to add and subtract numbers between 0 and 10 to reach a target number between 10 through 20. Teachers use the game to help pupils learn efficient ways to add and subtract within...
Worksheet
Raytheon

Signed Numbers/Integers Worksheets

For Students 6th - 8th
For this positive and negative numbers worksheet, students compute the values indicated using addition, subtraction, multiplication and division, with answer keys included.
Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Worksheet
Curated OER

Mat 0024 Section 1.4: Signed Numbers and Decimals

For Students 7th - 10th
This activity has a little of everything. Compare fractions, determine if numbers are less than, greater than, or equal to. Then practice lining up the decimals to add and subtract decimal numbers. Then multiply decimals remembering to...
Lesson Plan
Curated OER

Subtraction With Integers

For Teachers 6th - 8th
This thorough introduction to the concept of subtracting negative integers walk learners through the necessary steps using teacher modeling and guided practice. Number lines and various word problems are used to support understanding of...
Worksheet
Curated OER

Revision of the Four Rules (Decimals)

For Students 4th - 9th
Upper elementary and middle schoolers read through an explanation of how to divide, multiply, add and subtract numbers with decimals. They complete an exercise with 48 problems. Pupils can click on the "Check" box to determine whether or...
Lesson Plan
Curated OER

Addition and Subtraction of Integers 1.1

For Teachers 7th - 9th
In this integer worksheet, young scholars add and subtract positive and negative numbers. Equations contain two to three terms with a mixture of finding the sum and difference of terms. This worksheet contains 44 equations.
Worksheet
Curated OER

Counting More and Counting Less

For Students K - 1st
In this counting worksheet, students will count the items in each group and write the numbers on the lines. For the first 6 problems, students will circle the group that has more items. In the last 6, students will circle the group that...
Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Rational Numbers to Solve Problems

For Teachers 9th - 12th
Students explore the concept of probability.  In this probability lesson, students use area to determine probability.  Students use charts and spinners to help determine the probability of events such as flipping a coin or...
Worksheet
Curated OER

Mental Arithmetic Sets 3 and 4

For Students 3rd
In this mental arithmetic activity, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting. 
Worksheet
Curated OER

Adding Signed Numbers

For Students 8th - 10th
In this algebra worksheet, students add and subtract using negative integers that will make the equation a true statement. They graph their answers on a number line. There are 30 questions.