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Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
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Worksheet
Curated OER

Easy Subtraction

For Students K - 1st
In this easy subtraction worksheet, students solve 3 picture and numeric problems of 1-digit numbers. A website reference is given for additional resources. 
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Worksheet
Curated OER

Elimination Using Addition and Subtraction

For Students 10th - 12th
In this systems of equations learning exercise, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the learning exercise. This one-page learning exercise contains...
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Lesson Plan
Curated OER

Book Title: You Can’t Buy a Dinosaur with a Dime

For Teachers 3rd - 4th
Students explore the concepts of multiple digit addition and subtraction. In this addition and subtraction instructional activity, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a...
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Lesson Plan
Curated OER

The School Store

For Teachers 1st - 2nd
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
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Worksheet
Curated OER

Math – Writing Equations : Subtraction

For Students 2nd - 3rd
In this writing equations practice worksheet, students use their problem solving skills and the information provided to write 12 subtraction number sentences and solve them.
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Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this addition and subtraction worksheet, learners solve addition and subtraction problems containing one digit numbers. Students complete 52 problems.
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Worksheet
Curated OER

Ten Word Problems Solved Using Systems of Equations

For Students 8th - 10th
In this quadratic linear systems of equations learning exercise, students solve ten word problems using systems of equations.  The solutions are provided.
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Worksheet
Curated OER

Number Manipulation

For Students 8th - 9th
In this number manipulation activity, students solve 4 different types of problems that include number manipulation. First, they use division, multiplication, addition, or subtraction to make each set of numbers into equations which...
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Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this addition and subtraction worksheet, students complete addition and subtraction problems containing one digit numbers. Students complete 52 problems.
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Lesson Plan
Curated OER

Two Variables

For Teachers 8th - 9th
In this two variables worksheet, students solve and complete 13 different word problems. First, they determine two numbers with a given sum. Then, students find the number of coins a person has given the information. They also determine...
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Worksheet
Curated OER

The Math Lesson 7

For Students K - 2nd
In this addition and subtraction practice instructional activity, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
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Lesson Plan
Pennsylvania Department of Education

Using Multiplication to Solve Word Problems

For Teachers 4th
Fourth graders solve word problems using multiplication. In this multiplication lesson, 4th graders write and solve word problems using their prior knowledge of multiplication.
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Worksheet
Curated OER

Picture It

For Students 2nd - 3rd
In this story problem worksheet, students answer short answer question about a story problem. Students complete 6 questions about a story problems with 1 digit numbers.
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Worksheet
Curated OER

Answer Match

For Students 2nd - 3rd
In this addition and subtraction practice activity, students solve 26 problems that require them to add and subtract using 3-digit numbers. Students match the problems that have the same sums and differences.
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Worksheet
Curated OER

Subtract 13 and 14

For Students 1st - 2nd
In this subtraction practice learning exercise, students use problem solving skills in order to solve 6 math word problems that require them to subtract 1 digit numbers.
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Worksheet
Curated OER

Column Subtraction: Money with Four Digits

For Students 4th - 5th
In this column subtraction with money and four digits, students solve twenty subtraction problems about money with four digits, dollars and cents, with regrouping.
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Worksheet
Curated OER

The Math Lesson 8

For Students K - 2nd
In this subtraction practice worksheet, students use their problem solving skills to solve 240 problems that require them to subtract single digit numbers.
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Lesson Plan
Curated OER

Identifying Place Value

For Teachers 3rd
Third graders complete math problems.  In this place value lesson, 3rd graders solve problems that require them to write the place value of a number in expanded form and identify the place value and expanded form of three digit numbers.
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Worksheet
Curated OER

Addition: Number Bonds to 40

For Students 2nd - 3rd Standards
In this addition and subtraction worksheet, learners use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
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Lesson Plan
Curated OER

Finding Addition Patterns

For Teachers Pre-K - 2nd
Students practice finding the sums of two-one digit numbers. For this addition lesson plan, students also record facts onto an addition chart.
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Worksheet
Curated OER

Using Addition To Subtract

For Students 2nd
In this addition and subtraction activity, 2nd graders solve 9 subtraction problems and find the missing digit in 9 addition problems.
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Worksheet
Curated OER

Estimating Sums and Differences

For Students 7th
In this estimation of sums and differences worksheet, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences for...
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Worksheet
Curated OER

Subtract Across Zeroes: Practice 5.7

For Students 3rd - 4th
In this subtraction worksheet, students solve 27 problems in which three and four digit numbers are subtracted with regrouping across several places. There are no examples on the page.