Curated OER
Learning to Add and Subtract
Young learners practice addition and subtraction to solve problems. They use a webquest application to model how to solve math problems using pictures, words and numbers, and also practice using multiplication and division.
Curated OER
Basic Mathematical Operations Using Math Tiles
Practice addition, subtraction, multiplication, and division using tiles as manipulatives. In this math operations lesson, young learners choose the appropriate sized tiles, arrange them according to directions given by the teacher, and...
Curated OER
Math In Everyday Life
Second and third graders solve word problems involving both time and money. First the class works together to solve basic addition, subtraction, multiplication, and simple fraction problems (these examples are provided). After solving...
Curated OER
Math Facts Game
Students practice math skills while playing a flash cards game. When the teacher displays a flash card with a multiplication fact on it, students try to be the first to call out the correct answer.
Curated OER
Math Game Using A Tic-Tac-Toe Board
Elementary schoolers play a math game using a Tic-Tac-Toe Board. This simple idea can be used with virtually any grade level. A team of learners are the "O's," and the other is the team of "X's." Each time a team gets a problem correct,...
Curated OER
Subtraction of Integers Worksheet
In this math worksheet, students solve the problems that involve the operation of subtraction with integers. They change the subtraction to addition of the opposite.
Curated OER
Subtraction and Unknown Addends
A brief addition word problem has learners searching for the missing addend. They read about Mr. George, who already has five gallons of fuel in his car. Knowing the car can hold eleven gallons, they compute how many gallons he needs....
Curated OER
Math Review for Grade 2 (2.6)
For 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.
Curated OER
Addition and Subtraction Vocabulary Cards
In this math vocabulary worksheet, students learn 20 words or phrases that pertain to addition or subtraction. The words are in large font on vocabulary cards; there are no definitions here.
Curated OER
TAKS 5th Grade Daily Upkeep 7- Addition
In this word problem worksheet, 5th graders solve 3 addition and subtraction problems to determine the answer to multiple choices questions.
Curated OER
Native American Pebble and Pot Game
Students participate in a game using 12 manipulatives. In this addition and subtraction instructional activity students play a game originated by the Native Americans and look at a number of items and calculate how many...
Curated OER
Addition and Subtraction of Rational Expressions
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
Curated OER
Addition and Subtraction of Rational Expressions
In this rational expression worksheet, students add and subtract fractional expressions. They completely factor the numerator and denominator. Explanations and examples are provided at the beginning of the document. This two-page...
Curated OER
2-Digit Subtraction With Borrowing
In this 2-digit subtractions with borrowing worksheet, learners problem solve. In this fill in the blank worksheet, students find sixteen differences.
Curated OER
Adding or Subtraction Algebraic Fractions
In this Algebra I/Algebra II activity, students add and subtract algebraic fractions and reduce the answer to lowest terms. The two page activity contains a combination of eleven multiple choice and free response questions. ...
EngageNY
Adding and Subtracting Rational Expressions
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.
Math Mammoth
Add & Subtract Integers Fact Sheet
Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to...
Alabama Learning Exchange
Ice Fishing is for the Birds
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...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 2
Test scholars mathematic skills with an assessment addressing addition, subtraction, multiplication, place value, measurement, geometric shapes, expanded notation; and their ability to compare numbers, write number...
Math in English
Number Patterns
Build the pattern recognition skills of young mathematicians with this simple skills practice worksheet. Given nine different sequences of two-digit numbers, children must identify the pattern and determine the next three numbers in...
Curated OER
Math B Regents Questions by Performance Indicator: Rational Numbers
In this rational number learning exercise, students add and subtract quantities containing radical expressions. They identify equivalent expressions. This three-page learning exercise contains 15 multiple-choice...
Curated OER
Adding and Subtracting Polynomials
For use with a TI-nspire calculator, this lesson focuses on adding and subtracting polynomials. Learners use calculator to add and subtract polynomials using both the vertical method horizontal methods. A class discussion follows the...
EngageNY
Complex Numbers as Vectors
Show your math class how to use vectors in adding complex numbers. Vectors represent complex numbers as opposed to points in the coordinate plane. The class uses the geometric representation to add and subtract complex numbers and...
Curated OER
Call it "Macaroni"
Who knew there were so many fun educational opportunities featuring pasta? Scholars read a brief informational text about the history of pasta (note that "macaroni" is spelled two different ways, so address this if kids are reading...