Curated OER
Addition and Subtraction of Polynomials
In this polynomials instructional activity, 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...
Curated OER
Decimal Addition and Subtraction for Grade 3
In this decimal addition and subtraction for grade 3 worksheet, 3rd graders answer 10 multiple choice questions, not interactively, with the answers available online.
Curated OER
Addition and Subtraction within 10
In this addition and subtraction instructional activity, 1st graders add and subtract in word problems up to the number 10. Students complete 20 problems total.
Illustrative Mathematics
Pick Two
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Curated OER
Moving Backward- Probability Enrichment Worksheet
In this addition and subtraction probability learning exercise, 2nd graders play a game with a partner. They use the given spinner, and move along a number line based on the positive or negative number that they spin.
Curated OER
Decimal addition and subtraction
In this decimals worksheet, students complete addition and subtraction problems with numbers containing decimals. Students complete 10 problems.
Curated OER
Add Like an Egyptian
Add and subtract 20 interesting problems, all written with ancient Egyptian numbers. A great challenge to increase interest in math and problem-solving skills, kids will work through each problem; answering by drawing the correct...
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Virginia Department of Education
Modeling Division of Fractions
Provide a meaningful context for learning about the division of fractions with this upper-elementary math lesson. Presented with a simple, real-world problem, young mathematicians work in small groups to develop visual models that help...
BBC
Starship English and Math - Online Lesson Plans
Two online lessons, one in math and one in language arts, are here for you. In them, learners play online games which reinforce important skills in literacy and numeracy. The thing I like about both of these lessons is that they get the...
EduGAINs
Making Savvy Consumer Choices
It's never too early to learn about grocery budgeting. Middle schoolers delve into the world of consumer math with a lesson that focuses on both healthy choices and real-world math applications. Groups work together to form a grocery...
CK-12 Foundation
Add and Subtract Decimals with Front-End Estimation: Wooden Beams
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Curated OER
Addition And Subtraction of Decimals
Learners participate in a lesson of adding and subtracting decimals. They should review place values with decimals before beginning the lesson. The lesson plan also includes sample problems for the teacher to use in direct instruction....
Curated OER
Addition and Subtraction of Rational Expressions
In this adding and subtracting rational numbers worksheet, learners add and subtract 20 sets of fractions with polynomial denominators. Students compute common denominators.
Curated OER
Adding and Subtracting Fractions and Mixed Numbers
Elementary schoolers participate with their teacher's instruction to learn to add and subtract fractions and mixed numbers. They use fraction strips to complete addition and subtraction problems. A step-by-step script is provided to help...
Curated OER
Related Addition and Subtraction
These fact families are missing a member! Learners examine a set of three equations from the same fact family and write in the one that is missing. There are two more similar questions here. There are no directions, so be sure your kids...
Curated OER
Length Addition and Subtraction Word Problems
These measurement word problems can be tricky! Scholars will need to keep track of numbers as they determine who has the shortest bed, the longer car key, and a bus longer than nine meters. For each, there is an image depicting the...
Curated OER
Number Lines and Bead Strings
Students solve addition and subtraction problems using strings of beads and number lines. They mentally perform addition and subtraction problems, and write and solve story problems involving whole numbers.
Curated OER
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Fun Math Worksheet
In this subtraction worksheet, students subtract three and four digit numbers from each other. Students complete 15 subtraction problems with and without regrouping.
Curated OER
Fun Math Worksheet
In this subtraction worksheet, students subtract three and four digit numbers from each other. Students complete 15 subtraction problems with and without regrouping.
Curated OER
Fun Math Worksheet
In this subtraction instructional activity, students subtract three and four digit numbers from each other. Students complete 15 subtraction problems with and without regrouping
Curated OER
A Frightening Mix of Math (D)
In this Halloween math worksheet, students solve 36 problems in which two or three digit numbers are added or subtracted. There will be borrowing and carrying on this Halloween themed page that has monster graphics.
Curated OER
Expressions With Addition and Subtraction
For this algebraic expressions worksheet, 4th graders study, analyze and evaluate 6 different expressions involving n-32, n=77 and the expression 575 + n for 2 values of n.