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Curated OER
Algebra: Addition and Subtraction Equations 2
In this algebra practice worksheet, students use their math skills to solve 15 equations that require them to add and subtract decimals.
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills activity, students solve 10 multiple choice math problems that require them to add and subtract using whole numbers and decimals. Students may submit their answers to be scored.
Curated OER
Using Addends and Sum/Using Subtrahend, Minuend, and Difference
What is an addend? What is a sum? Review this math terminology on the top half of the activity before practicing basic addition.
Noyce Foundation
Apple Farm Field Trip
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, young scholars are taught how to first make a ten and then add on the rest. A similar method is also...
Curated OER
One Step Equations: Add, Subtract, Multiply, Divide
One step equations involving addition, subtraction, multiplication and subtraction. Step by step methods of how to solve these equations and has practice problems for each operation. Answers are provided. As a...
Curated OER
Addition and Subtraction up to 100
After reviewing double-digit addition and subtraction up to and from 100, learners are introduced to addition and subtraction up to and from 10,000. A grid is used along side number decomposition to help them solve a word problem...
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
Estimate and Compare Data
Seventh graders explore the values that are used in order to describe data that is collected or given. They compare data using the statistical analysis provided by finding the mean, median, and range.
Ohio Department of Education
Writing and Comparing Numbers in Scientific Notation-Grade Eight
Explore scientific notation in this mathematics lesson. Young mathematicians explore multiple representations of large number in scientific notation through the use of models, visual representation and expanded form. The lesson provided...
Curated OER
Add or Subtract
In this addition and subtraction worksheet, students add or subtract the single, two, and three digit problems. Students use the provided space to solve the problems. Students solve 28 problems.
Curated OER
Students' Strides
Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...
Curated OER
Study Buddies: Subtracting Three-Digit Numbers
In this math worksheet, students will work with a coach to solve a story problem in which they must subtract three-digit numbers. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Addition and Subtraction of Rational Expressions
In this rational expressions instructional activity, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in...
Math Mammoth
Finding the Area of Rectangles, Parallelograms, and Triangles
In this area of polygons activity, 9th graders solve two area of rectangles, one area of parallelogram, and ten area of triangles problems. The formulas for finding the area of these figures are provided.
Curated OER
Two-Digit Addition and Subtraction No Regrouping [O]
In this addition and subtraction worksheet, learners complete a total of 36 problems. All problems add or subtract 2-digit numbers and no regrouping is required.
Curated OER
Two-Digit Addition and Subtraction No Regrouping [N]
In this addition and subtraction worksheet, students complete a total of 36 problems. All problems add or subtract 2-digit numbers and no regrouping is required.
Curated OER
Twenty-Eight Addition and Subtraction of Radicals
In this radicals activity, students add or subtract radicals in twenty-eight problems. In most problems, students need to simplify radicals first, in-order to perform the indicated operation.
Curated OER
Relate Addition and Subtraction Facts
In this addition and subtraction facts worksheet, students use problem solving skills to solve 6 word problems that require them to add or subtract.
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive learning exercise is...
Curated OER
Study Buddies: Counting Back Tens and Ones
In this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Understand Subtraction and Its Relationship to Addition
Understanding the relationship between addition and subtraction is the focus of this math worksheet. Students answer "true" or "false" to 14 statements regarding addition and subtraction. Answers appear at the end.
Alabama Learning Exchange
The Mean, Median, and Mode Chain Gang
Students analyze a set of data. They work in cooperative groups and use chain links to identify the mean, median, and mode of the chain.