Worksheet
Curated OER

Adding and Subtracting Integers

For Students 6th
For this integers worksheet, 6th graders solve and complete 42 different problems that include adding and subtracting integers. First, they find the sum or difference of each integer. Then, students evaluate each expression for the given...
Worksheet
Raytheon

Strategies for Solving Math Word Problems

For Students 4th - 6th
In this strategies for solving math word problems activity, learners read two pages of examples and explanations, then solve 42 addition, subtraction, multiplication and division problems, answer sheet included.
Worksheet
Raytheon

Adding and Subtracting Fractions

For Students 4th - 6th
In this adding and subtracting fractions learning exercise, students add and subtract fractions including mixed numbers and negatives. Students complete 62 problems.
Worksheet
Curated OER

Solving addition equations

For Students 5th - 8th
In this addition equations learning exercise, students solve equations with variables that have one and two digit numbers in them. Students complete 4 problems.
Worksheet
Curated OER

Gummy Bear Math

For Students 1st - 2nd
In this math worksheet, students are given a cup of multi-colored gummy bears to use when solving 14 word problems. Students count colors, add combinations of colors, making their own addition problems.
Lesson Plan
Curated OER

Adding and Subtracting Integers (Positive and Negative Numbers)

For Teachers 5th - 6th
In this math worksheet, students solve 15 problems in which positive and negative integers are added and subtracted. The answers are given in a separate column on the page.
Lesson Plan
Curated OER

How Many Under the Shell?

For Teachers Pre-K - 2nd
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your students to engage in.
Worksheet
1
1
Curated OER

Trigonometry Worksheet 9

For Students 9th - 12th Standards
Learners use addition and subtraction formulas and special reference triangles to solve a variety of trigonometric problems. Sine, cosine, and tangent problems in both radians and degrees are included.   
Worksheet
Curated OER

Math Cross Number Version 9

For Students 2nd - 4th
In this math cross number worksheet, students fill in the blanks in the math puzzle as they solve the 28 addition and subtraction problems.
Lesson Plan
Curated OER

Problem Solving with Multi-Step Number Stories

For Teachers 3rd - 5th
Pupils solve multi-step number stories. They create number models to solve number stories.  Everyone chooses the appropriate operation to use after reading the problem, and then work in small groups to...
Lesson Plan
Curated OER

Positive and Negative Numbers

For Teachers 6th - 9th
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson plan, learners use Algebra blocks to demonstrate multiplying polynomials.
Lesson Plan
Curated OER

Beginning Addition Word Problems

For Teachers K - 2nd
In this finding the sums of word problems worksheet, students add the one-digit word numbers and numerals and use the pictures to assist them. Students solve four problems.
Worksheet
Curated OER

Organizing and Understanding Data - Independent Practice

For Students 1st
Provide your first graders with an opportunity for independent practice organizing and understanding data. The ten story prompts on this three-page worksheet asks learners to solve problems involving concepts of the total number of...
Lesson Plan
Curated OER

Conditional Probability and Probability of Simultaneous Events

For Teachers 11th - Higher Ed
Pupils explore the concept of conditional probability and probability of simultaneous events. In this conditional probability and probability of simultaneous events lesson plan, students roll dice or use and applet to roll dice to...
Worksheet
Curated OER

Check Subtraction

For Students 2nd - 3rd
In this checking subtraction worksheet, learners learn to check a subtraction problem by using addition. Students solve and check 7 problems in which three digit numbers are subtracted with borrowing.
Worksheet
Curated OER

3-Digit Subtraction and Addition

For Students 2nd - 3rd
In this 3-digit subtraction and addition worksheet, students problem solve with regrouping. In this fill in the blank worksheet, students answer sixteen problems.
Worksheet
Curated OER

A Frightening Mix of Math (D)

For Students 2nd - 3rd
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.
Worksheet
Curated OER

Math Games

For Students 3rd - 6th
In this addition and subtraction worksheet, students solve addition and subtraction problems across and down a number puzzle. Students complete 6 problems for each of the 6 puzzles.
Worksheet
Curated OER

Mental Math Skills

For Students 2nd - 3rd
For this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
Lesson Plan
Curated OER

Practice Solving Equations

For Teachers 9th - 12th
Students practice solving equations. In this algebra lesson, students solve a variety of linear equations using addition, subtraction, multiplication, inverse and division. They solve equations with more than one step and equations with...
Worksheet
Curated OER

Write the Equations

For Students 1st - 2nd
In this writing equations to problem solve activity, students read the addition and subtraction problems, write the one-digit and two-digit equations, and solve without regrouping. Students solve 15 problems.
PPT
Curated OER

One Step Equations: Add, Subtract, Multiply, Divide

For Teachers 7th - 9th
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...
Worksheet
Curated OER

Combining Like Terms

For Students 8th - 9th
In this worksheet, algebra learners solve and complete 20 different equations that include combining like terms. First, they identify and define like terms and how they can be combined in solving an equation. Then, students combine like...
Lesson Plan
National Security Agency

Ordering, Adding and Subtracting Integers

For Teachers 5th - 7th Standards
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...