Buffalo State
Adding and Subtracting Positive and Negative Integers
A well-rounded unit on positive and negative integers is a great addition to your middle school math class. Learners work through five activities, each focused on a different skill, before playing a Game of Life to practice the...
University of Missouri
Money Math
Young mathematicians put their skills to the test in the real world during this four-lesson consumer math unit. Whether they are learning how compound interest can make them millionaires, calculating the cost of remodeling their bedroom,...
K20 LEARN
Use Your Noodle: Avoiding Comma Blunders
Young grammarians will go to town with a activity that doodles with macaroni! Scholars cook up sentences with the addition of commas, which makes all the difference in their meaning.
Virginia Department of Education
Modeling Division of Fractions
Provide a meaningful context for learning about the division of fractions with this upper-elementary math lesson. Presented with a simple, real-world problem, young mathematicians work in small groups to develop visual models that help...
Curated OER
Relate Addition and Subtraction
In this addition and subtraction worksheet, students use problem solving skills to write number sentences and solve 6 word problems that require them to add and subtract.
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.
Curated OER
Using Addition To Subtract
In this addition and subtraction activity, 2nd graders solve 9 subtraction problems and find the missing digit in 9 addition problems.
Curated OER
Checking Subtraction With Addition
In this subtraction activity, 2nd graders use the opposite operation to check their work. Students complete 6 double digit subtraction problems using addition to self check.
Alabama Learning Exchange
Battle to the Death: Adding Integers
Young scholars explore the concept of adding integers. For this adding integers lesson, students simulate the battle of the 300 spartans at Thermopylae. Young scholars use colored game pieces to represent positive and negative...
Curated OER
The Math Lesson 7
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.
Curated OER
Use Addition to Help You Subtract
In this early childhood addition and subtraction worksheet, students solve 6 math story problems that help them see the relationship between adding and subtracting.
Curated OER
Two-Digit Subtraction With Regrouping
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson, students use the regrouping method to solve the 2-digit subtraction equations.
Curated OER
Subtracting Two- and Three- Digit Numbers
For 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
Math Lesson Study Plan
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. In this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. For this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Adding Integers with Two Colour Counters
Students use the zero principle to add integers. In this algebra lesson, students add positive and negative integers verifying the zero principle. They use manipulatives to help them see how opposites can cancel each other out.
Curated OER
Initial Fraction Ideas Lesson 21: Overview
Students become familiar with the process of subtracting fractions. In this subtracting fractions lesson, students complete examples and then write a story problem. Students continue to practice while sharing their problems.
Math Worksheets Land
Add and Subtract Multi-Digit Whole Numbers
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...
Eisenhower Regioanl Consortium for Mathematics and Science Education
Lesson 10: Integer Addition and Subtraction (for the TI-73 only)
Using a number line on the floor made from masking tape and manipulatives, learners observe a demonstration of the addition and subtraction processes. After completing several worksheets, they solve three-term problems using calculators...
Curated OER
Same As
Explore the concept of the equals symbol. In this mathematical symbols lesson, learners discover the meaning of the equals sign (symbol). They also construct addition and subtraction sentences to understand the concept of equal parts.
Curated OER
Rooster's Off to See the World
Young learners listen to the book Rooster's Off to See the World, and complete simple math activities using the book. In this simple math lesson, students read and list the animals in the book. They arrange animal picture squares using...
Curated OER
Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
Curated OER
Playing Math Fever
Pupils complete activities to learn notation and uses for positive and negative numbers. For this number system lesson, learners play a game similar to Jeopardy to learn how to solve problems with positive and negative numbers.