Worksheet
Curated OER

Addition and Subtraction 3 Numbers Combination

For Students 3rd - 5th
In this addition and subtraction worksheet, students solve 17 problems in which they add and subtract 3 number combinations. Click on the New Problem Set button at the bottom of the page to view a new worksheet of problems.
Worksheet
Curated OER

Adding, Subtraction, Multiplying, and Dividing Fractions and Mixed Numbers

For Students 5th - 8th
In this fractions activity, students first review addition, subtraction, multiplication, and division without fractions.  Next, students add and subtract fractions in fifth-three problems, followed by multiplying in forty-four...
Lesson Plan
Curated OER

"Zero-ing" In On Integers

For Teachers 6th - 8th
Students add and subtract integers.  In this integer lesson plan, students use models to demonstrte the addition and subtraction of integers.  They describe zero pairs and write steps to add and subtract integers. 
Worksheet
Curated OER

Understand Subtraction and Its Relationship to Addition

For Students 3rd - 4th
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.
Lesson Plan
Curated OER

A New Set of Numbers

For Teachers 6th
Sixth graders add and subtract positive and negative integers. In this integers math lesson, 6th graders review the number line as a class, with students representing the numbers and moving in a positive or negative direction to find...
Worksheet
Curated OER

Simplify the Fractions

For Students 4th - 5th
In this simplifying fractions with common denominators activity, students add and subtract each problem and find the simplest form. Students solve 12 problems. 
Lesson Plan
Curated OER

I'll Halve S'More, Please!

For Teachers 3rd - 5th
Students describe a fraction in terms of sharing parts of a whole. They understand the meaning of the parts of a fraction and add and subtract like fractions. They apply fractions to problem situations and recognize and use equivalent...
Lesson Plan
Alabama Learning Exchange

The Mean, Median, and Mode Chain Gang

For Teachers 3rd - 6th Standards
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.
Worksheet
Curated OER

Word Addition and Subtraction

For Students 1st - 2nd
In this adding and subtracting worksheet, students read addition equations and write answers in manuscript and subtract one-digit numbers from two-digit numbers. Students solve 8 problems.
Worksheet
Curated OER

Order of Operations

For Students 8th - 9th
For this order of operations worksheet, students solve and complete 7 different problems that include using the order of operations or PEMDAS. First, they simplify expressions inside grouping symbols and then any terms containing...
Lesson Plan
Curated OER

Native American Pebble and Pot Game

For Teachers Pre-K - 1st
Students participate in a game using 12 manipulatives.  In this addition and subtraction lesson students play a game originated by the Native Americans and  look at a number of items and calculate how many are hidden....
Lesson Plan
Curated OER

Math computation

For Teachers 1st - 2nd
The lesson says it is intended for 4th grade but it is suitable for grades 1-3 as well. The class discusses what it means to add, the commutative property of addition, and mathematical reasoning. This is an exercise in number sense,...
Lesson Plan
Curated OER

Math Review for Grade 2 (2.6)

For Teachers 2nd
In this math review for grade 2 (2.6) worksheet, 2nd graders answer 25 multiple choice questions in standardized test format about addition, subtraction and bar graphs.
Worksheet
Curated OER

Counting More and Counting Less

For Students K - 1st
For this counting worksheet, students will count the items in each group and write the numbers on the lines. For the first 6 problems, students will circle the group that has more items. In the last 6, students will circle the group that...
Worksheet
Curated OER

Addition and Subtraction 3 Numbers combination

For Students 5th - 6th
In this computation worksheet, students add and subtract three numbers. The seventeen problems all involve parenthesis. Students use order of operations to correctly solve each problem.
Worksheet
Curated OER

Adding and Subtraction of Integers (more than 2)

For Students 3rd - 6th
In this addition and subtraction activity, students add and subtract numbers in each problem where there are more than 2 numbers. Students complete 90 problems total.
Worksheet
Curated OER

1 Less or 1 More

For Students 1st - 2nd Standards
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
Worksheet
Maths Blog

Make 20

For Students 1st - 3rd Standards
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Lesson Plan
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Curated OER

Complex Numbers

For Teachers 9th - 12th Standards
The class practices, on paper and/or on a TI graphing calculator the concepts of how to add, multiply, divide and subtract complex numbers using the correct property.
Lesson Plan
Curated OER

Telling Time - Online Games

For Teachers 1st - 5th
A variety of resources are included here that will help your young learners tell time using either an analog or digital clock. The first resource listed, called "Teach Clock" is amazing! You can add or subtract time. Post it on your...
Lesson Plan
Alabama Learning Exchange

Ice Fishing is for the Birds

For Teachers K - 1st Standards
Approach addition with young mathematicians in an engaging way through this penguin-inspired activity. In small groups, scholars think about times they have used addition in their real lives (there are some suggestions given), then watch...
Worksheet
DK Publishing

Money Word Problems #2

For Students 2nd - 4th Standards
Are you experiencing money problems? Here are some more! Young mathematicians practice their addition and subtraction skills with money values in these word problems and number sentences. Some of the 25 questions prompt scholars to...
Lesson Plan
Curated OER

Solving Word Problems with Fish

For Teachers 4th - 6th
Send your class fishing...for the right answers! Small groups collaborate to create math word problems based on the fish in their classroom aquarium or on the aquarium itself. After all groups determine the answer for their ownproblem,...
Lesson Plan
Curated OER

Number Problems

For Teachers 9th - 11th
Students write equations for problems. In this number lesson, students add, subtract, multiply and divide numbers to solve for a variable. They rewrite word problems using algebraic symbols.