Curated OER
The Nature of Mathematics
Students work in groups to describe plants using numbers. In this number lesson, students use numbers to define plants and then use numbers to write descriptions of themselves.
Curated OER
Centipede's 100 Shoes
Young scholars solve equations with the help of their teacher. In this simple equations lesson, students listen to the story Centipede's 100 Shoes by Tony Ross and use the scenarios given in the book as addition and subtraction problems....
Curated OER
Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference lesson, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference on their data...
Curated OER
Number and Number Relations: Lesson 4
Fourth graders investigate the use of addition and subtraction facts in different situations. They examine the relationship between addition and multiplication and determine which operation is needed to solve various problematic situations.
Curated OER
Basketball: Number Sense
Third graders explore their addition and subtraction skills. For this number sense lesson, 3rd graders analyze different scoring possibilities for a basketball game. This lesson incorporates the use a video titled "Blossom and...
Alabama Learning Exchange
"Like Terms", I Add Them
Ninth graders add and subtract polynomials. In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan. Both the horizontal and vertical methods of addition and...
Curated OER
Solving Equations- Addition And Subtraction
Seventh graders engage in the study of solving equations using the operations of addition and subtraction. They practice solving a variety of different problems. The lesson plan includes steps that can be used by the teacher for direct...
Curated OER
Equal Shmequal by Virginia Kroll
Students read a book and complete exercises to explore the meaning of 'equals.' In this equal numbers lesson, students brainstorm the meaning of equals and read a story about the topic. Students use manipulatives to study balance and...
Curated OER
Fact Families
In this fact families worksheet, students solve the six word problems by using the fact family rules for addition and subtraction. Students solve six problems.
Curated OER
Popsicle Stick Regrouping Fun
Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
Curated OER
Nutty Numbers
For this fact families worksheet, 1st graders solve 6 problems in which the missing numbers in addition and subtraction fact families are written in the nut shapes.
Curated OER
Moving Backward- Probability Enrichment Worksheet
In this addition and subtraction probability worksheet, 2nd graders play a game with a partner. They use the given spinner, and move along a number line based on the positive or negative number that they spin.
Curated OER
Hidden Patterns
In this number pattern worksheet, students use addition and subtraction to determine the next number in the pattern of numbers. There are 8 questions on this worksheet and the numbers are primarily 3 digits.
Curated OER
Choose the Operation
In this mathematical operations worksheet, students solve the six math word problems by determining which operation to use, addition or subtraction, to solve the problem.
Curated OER
Balancing Discoveries
Students use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Blueberries for Sal
Students read the book "Blueberries for Sal" and complete various computation math activities with blueberries. In this computation lesson plan, students complete number sentences, play guessing games, and solve story problems using...
Pennsylvania Department of Education
Associative Properties
Students investigate the associative property of addition. In this associative property of addition lesson, students work in pairs and build addition problems with six blocks. They sit on either side of a desk so that they can "read" the...
Curated OER
Number Sense
Eighth graders participate in a lesson that is concerned with reviewing basic math concepts using the four operations. The activity is composed of a math game that is played by them.
Curated OER
Doubles Plus One
In this early childhood addition and subtraction worksheet, students solve 6 math story problems that require them to add doubles plus 1.
Curated OER
Student G Individual Lesson
Third graders identify appropriate symbols to complete number sentences. In this number sense lesson, 3rd graders are given a number sentence with a blank operation slot. Students fill in the correct operation to make the number sentence...
Curated OER
Subtracting Monomials and Polynomials
Learners subtract monomials and polynomials by combining like terms. In this advanced subtraction lesson, students define the rules and properties for subtraction of polynomials. They apply the rules for addition to help with the rules...
Curated OER
Math Cubes
Learners practice addition and subtraction while making and then playing a game. In this addition and subtraction lesson, students will make dice using a cube tracer and number and number sign tracers to make the numbers and number...
Curated OER
Basic Subtracting
First graders solve math problems. For this subtraction lesson, 1st graders use Smarties to compare addition and subtraction. Students complete math problems where they solve basic subtraction questions.