Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Curated OER
Decimal Fractions With a Calculator
In this decimal fractions worksheet, learners read about using the multiply or divide keys of a calculator to change decimal fractions, then use the add or subtract keys to complete a different set of problems.
Lorain County Community College
Solving Linear Equations
Put your mathematicians to the test and see if they can solve this worksheet full of multi-step equations with rational numbers. Add, subtract, multiply, and divide with fractions and decimals to solve for x. The top of the worksheet has...
EngageNY
Scientific Notation
Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using...
Curated OER
Addition and Subtraction of Polynomials
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...
Curated OER
Operations with Radical Expressions
In this radical expressions worksheet, 9th graders solve and complete 12 different problems that include using operations with radical expressions. First, they add or subtract each radical expression using the distributive or commutative...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Curated OER
Order of Operations
In this order of operations worksheet, students complete problems where they add and subtract in the same problem. Students complete 10 problems.
Curated OER
Two-Digit Addition and Subtraction (R)
In this addition and subtraction practice instructional activity, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
Curated OER
Number Line
In this basic mathematics worksheet, students fill in the missing numbers on each of the number lines shown. They add or subtract to find the missing numbers for each line.
Curated OER
Place Value Lessons
Students can learn about place value using interesting lessons, activities, and games.
Curated OER
Multiplying Matrices
Go over the basics of matrix multiplication, from checking the dimension of the factors, to applying the distributive property. This worksheet includes directions on when and how to multiply matrices, one example, and a few problems your...
Curated OER
Extra Practice 5: Addition, Subtraction, Multiplication and Division of Real Numbers
In this practice worksheet, students use integer rules to add, subtract, multiply and divide real numbers. This two-page worksheet contains 48 problems.
Curated OER
Addition and Subtraction: Basic Word Problems
In this work problem worksheet, students complete a set of 10 addition and subtraction problems. Answers are included on page. Problems are beginning level.
Curated OER
Complex Numbers
In this complex numbers worksheet, 9th graders solve 10 different problems that include addition and subtraction of these numbers. First, they add or subtract the coefficients of similar terms algebraically. Then, students remove the...
Curated OER
Adding With Whole Tens
In this addition worksheet, students use pictures of bars and numeric problems to add whole tens and complete addition problems. A website reference is given for additional activities.
Curated OER
Book Title: You Can’t Buy a Dinosaur with a Dime
Students explore the concepts of multiple digit addition and subtraction. In this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math...
Curated OER
Addition and Subtraction of Polynomials
In this polynomial worksheet, students add and subtract polynomials by identifying and collecting like terms. Twenty problems are provided on this two-page worksheet.
Curated OER
Problem-Solving Decision: Explain Your Answer - Reteach
In this problem solving activity, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
Curated OER
Decimals
In this decimals worksheet, 5th graders solve 20 different problems that include adding and subtracting various decimals. First, they add or subtract the decimals like they would whole numbers. Then, students line up the decimal points...
Curated OER
Extra Practice 3: Addition and Subtraction of Real Numbers
In this practice worksheet, students follow their integer rules to add and subtract real numbers. There are 80 problems on this two-page worksheet.
Curated OER
The Math Lesson 7
In this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Curated OER
Moving-Math Hopscotch
Young scholars engage in a hopscotch game where each square represents a number. In this mental math and movement lesson, students take turns playing traditional hopscotch, but add a mental math component where they add or subtract...
Curated OER
Numbers Through 1000
In this numbers through 1000 practice learning exercise, students sharpen their problem solving skills as they solve 6 story problems that require them to use number models to add and subtract.