Better Lesson
Better Lesson: Adding and Subtracting Integers With Counters
What are opposites and what happens when you add them together? Students work with counters to model adding and subtracting integers.
Better Lesson
Better Lesson: Adding and Subtracting Integers on a Number Line
Sixth graders work with a number line and football to model adding and subtracting integers.
Better Lesson
Better Lesson: Adding and Subtracting Decimals
Sixth graders use estimates and work on strategies for adding and subtracting decimals.
Better Lesson
Better Lesson: Applying the Basics!
Using base-ten materials and place-value skills, 2nd graders gain a better understanding of how to add and subtract numbers.
Better Lesson
Better Lesson: Put It Together and Take It Apart
Second graders increase their understanding of place value by manipulating larger numbers.
Better Lesson
Better Lesson: Put Together or Take Away?
First graders learn the basics of 1.OA.1 by mixing addition and subtraction word problems from day 1. The focus question is: Put together or take away?
National Council of Teachers of Mathematics
Nctm: Illuminations: Grouping and Grazing
Help the alien spaceship move cows into corrals by counting, adding, and subtracting. This activity helps children learn grouping, tally marks, and place value.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Addition, Subtraction Within 1000 With Word Problems to 100
A guide to support parents as they work with their students in addition and subtraction within 1000 with word problems to 100.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Sums and Differences to 20
A guide to support parents as they work with their students in sums and differences to 20.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Number Pairs, Addition and Subtraction to 10
A guide to support parents as they work with their students in number pairs, addition and subtraction to 10.
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Rational Expressions
Learn how to add and subtract rational expressions.
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Rational Expressions
This lesson covers adding and subtracting rational expressions when the denominators are the same.
E-learning for Kids
E Learning for Kids: Math: Pizza (Italian) Restaurant: Subtraction
In this interactive site students get to practice with various math skills in a real life scenario. Those skills include basic subtraction facts using materials, matching number sentences to pictorial representations, and writing number...
E-learning for Kids
E Learning for Kids: Math: Llama Farm: Subtraction
On this interactive site students learn to use subtraction to solve problems in real-life situations.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtraction Facts: Subtract Up to 6
Learners subtract numbers up to six. If the correct answer is chosen, the face smiles.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtraction Facts: Subtract Up to 7
Learners subtract numbers up to seven. If the correct answer is chosen, the face smiles.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtraction Facts: Subtract Up to 8
Learners subtract numbers up to eight. If the correct answer is chosen, the face smiles.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtraction Facts: Subtract Up to 9
Students practice subtracting numbers up to nine. If the correct answer is chosen, the face smiles.
Mr. Martini's Classroom
Mr. Martini's Classroom: Subtraction Quiz (10 to 99)
Students subtract numbers from 10 to 99 with this interactive graded quiz.
Varsity Tutors
Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets
Create customized decimal subtraction worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can...
Quia
Quia: Subtracting to Win a Million
Students will love playing this "Who Wants to be a Millionaire," style game as they work through the subtraction problems. Some of the numbers are large, but there is no regrouping necessary.
Varsity Tutors
Varsity Tutors: Aplus Math: Flashcard Creator
Create and print your own flashcards to practice your basic math facts. Choose either addition, subtraction, multiplication, or division, as well as which sets of numbers you would like to practice. The flashcards come in sets of twelve,...
Varsity Tutors
Varsity Tutors: Aplus Math: Flashcard Creator
Create and print your own flashcards to practice your basic math facts. Choose either addition, subtraction, multiplication, or division, as well as which sets of numbers you would like to practice. The flashcards come in sets of twelve,...
ClassFlow
Class Flow: Puzzles & Starters 1234 Puzzle
[Free Registration/Login Required] Using the numbers 1, 2, 3, and 4, students use appropriate order of operations to find as many equations from 1-100 as possible.