Education Development Center
Geography of the Number Line
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and...
Curated OER
Checking Subtraction With Addition
In this subtraction worksheet, 2nd graders use the opposite operation to check their work. Students complete 6 double digit subtraction problems using addition to self check.
Curated OER
The SummerSchoolMath Worksheet- Addition, Subtraction, Multiplication and Division Level 4
In this math operations activity, students review their addition, subtraction, multiplication, and division skills as they complete 400 problems.
Curated OER
Subtracting Two- and Three-Digit Numbers
In this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
EdHelper
Addition: Missing Number Fill In
For this addition worksheet, students fill in a missing addend to solve 23 problems. Worksheet is part of a subscription site with links and is labeled as a sample.
Curated OER
Adding and Subtracting Polynomials
In this polynomials worksheet, 9th graders solve and complete 12 different problems that include adding and subtracting. First, they identify and combine like terms. Then, students find each sum or difference using the appropriate...
Curated OER
Subtracting Two- and Three- Digit Numbers
In this subtraction with regrouping worksheet, students solve 15 problems in which 2 or 3 digit numbers are subtracted with borrowing. There are examples to help.
Curated OER
Subtraction Practice Series
In this mathematics worksheet, 2nd graders solve a number of problems by subtracting a two-digit number from another two-digit number and regrouping when necessary. There are 36 problems to solve on the sheet.
Curated OER
Regroup Ones and Tens
In this problem solving worksheet, students analyze the information on a data table about the sizes of bears. Students use the table to solve 4 problems in which addition with regrouping twice is used.
Curated OER
A Frightening Mix of Math
In this addition and subtraction instructional activity, students add or subtract two digit numbers with two digits numbers. The instructional activity is a combination of 36 multiplication and subtraction problems.
Curated OER
Subtraction Computation
In this subtraction worksheet, students solve 16 problems in which three digit numbers are subtracted, with and without regrouping.
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Solving System of Equations by Multiplication and then Addition or Subtraction
In this online math worksheet, high schoolers solve equations to determine the value of "x" and "y." This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
Curated OER
Subtraction Word Problems Three- Version 1
In this word problems worksheet, students read the word problems and use addition to solve them. Students solve 5 word problems.
Curated OER
Division as Repeated Subtraction
For this division worksheet, students solve long division problems where they learn that division is repeated subtraction. Students complete 4 problems.
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
Subtracting 6 and 5
In this mathematics instructional activity, 2nd graders solve a number of problems by finding the difference of each. There are 30 problems to solve on the sheet.
Curated OER
Add and Subtract Decimal Ten Thousandths (A)
For this mathematics worksheet, students solve a number of problems by adding and subtracting decimals to the ten thousandths place. There are 32 problems to solve on the sheet.
Curated OER
Adding and Subtracting Like Mixed Numbers (10)
In this adding and subtracting mixed numbers worksheet, learners use their math skills to solve 10 problems that require them to add and subtract mixed numbers with like denominators.
Curated OER
Adding and Subtracting Like Mixed Numbers (8)
In this adding and subtracting mixed numbers worksheet, students use their math skills to solve 7 problems that require them to add and subtract mixed numbers with like denominators
Curated OER
Balance Adding Integers
In this positive and negative numbers activity, students complete a balance sheet by writing positive and negative numbers in the space to match transactions. They find the balance of the account. This one-page activity...
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Adding and Subtracting Fractions/Mixed Numbers (9)
In this adding and subtracting fractions and mixed numbers learning exercise, students solve 10 problems that require them to add and subtract mixed numbers and fractions.
Curated OER
Adding and Subtracting Integers
For this integers worksheet, students find the sum or difference of 30 problems. Students evaluate 6 expressions and substitute values for variables in 3 problems.
Curated OER
Solving Positive and Negative Numbers
In this positive and negative numbers worksheet, students solve 60 problems in which integers are added or subtracted. There are no hints or examples.
Curated OER
Mental Maths
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
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