Website
Primary Resources

Primary Resources: Follow Me "Loop" Math Games

For Teachers Pre-K - 1st
An extensive collection of premade cards for "loop" games in math. These "I have, Who has?" cards are available for counting on and back, capacity, place value, addition, subtraction, multiplication, division, fractions, decimals, money...
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Kids' Subtract Up to 9

For Students Pre-K - 1st Standards
Practice subtraction facts up to nine with this interactive exercise.
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Varsity Tutors

Varsity Tutors: Aplus Math: Timed Flashcards

For Students Pre-K - 1st
Practice your basic facts in addition, subtraction, multiplication, and division using these timed flashcards. Answers must be completed within a ten second time frame. Choose to play a set of twenty-five or fifty flashcards per session.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Two Math (Page 3)

For Students Pre-K - 1st Standards
Review basic addition and subtraction facts using this interactive worksheet. Problems are presented in horizontal format and offer immediate feedback. With only ten problems, this worksheet could also be used for a quick review or short...
Activity
Teaching Treasures Publications

Teaching Treasures: Year One Math (Page 2)

For Students Pre-K - 1st Standards
Review basic addition and subtraction facts with this interactive worksheet that offers immediate feedback. Use this tool for a quick review or assessment of these skills.
Activity
Teaching Treasures Publications

Teaching Treasures Picture Math Grades K 1 (Page 3)

For Students Pre-K - 1st Standards
Use this colorful, interactive picture worksheet to practice basic addition and subtraction facts. An easy to grasp activity that allows learners to check their answer immediately.
Interactive
Fun Brain

Fun Brain: Math Car Racing Game

For Students Pre-K - 1st Standards
Players must choose the mathematical expression with the highest value to win. Tests understanding of basic arithmetic skills involving the addition, subtraction, multiplication, and division of whole numbers.
Interactive
Toy Theater

Toy Theater: Math Bingo

For Students Pre-K - 1st
Play bingo by solving addition, subtraction, multiplication or division problems. The game can be played at several speeds.
Interactive
University of Cambridge

University of Cambridge: Nrich: Game Pass the Peas, Please

For Students Pre-K - 1st Standards
Use this game to improve your subtraction or addition skills. Gain skills in two areas at the same time! There is a "Get Printable Page," link at the top to print out materials you need. This game can also be altered to practice...
Interactive
University of Cambridge

University of Cambridge: Nrich: Game Criss Cross Quiz

For Students 1st - 5th Standards
Use this online game to improve your subtraction or addition skills while you play on a coordinate plane gameboard. Gain skills in two areas at the same time! This game can also be altered to practice multiplication facts. There is a...
Activity
Teaching Treasures Publications

Teaching Treasures: Year One Timed Mental Math (Page 3)

For Students Pre-K - 1st Standards
Try to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given. A suitable tool for use as a quick assessment.
Lesson Plan
Other

Sumdog Teacher Portal: One More, One Less

For Teachers Pre-K - 1st
This engaging lesson plan introduces students to basic addition and subtraction by adding or subtracting one. Teachers can create a free Sumdog account and usernames for their students to practice the skills through online learning games.
Activity
Can Teach

Can Teach: Who Has More or Less?

For Teachers 2nd - 4th
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Lengths in Two Steps

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This resource is a video that demonstrates using two different steps with addition or subtraction to solve a word problem. Practice word problems follow using two...
Website
Learning Wave Communications

Learning Wave: Decimals

For Students 5th - 8th Standards
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Field Day Scarcity

For Teachers 1st - 2nd
Students will learn about managing money and scarcity while practicing addition and subtraction. They will be given a certain amount of money to spend at a fictitious store. Included are discussion questions about how students decided to...
Lesson Plan
Better Lesson

Better Lesson: Cheerful Shoppers

For Teachers 2nd Standards
Second graders love to shop! Students will use their own shopping list to compose a word problem using addition and subtraction with and without regrouping, in order to help them better understand how to problem solve.
Activity
Texas Instruments

Texas Instruments: Math by Hand App

For Teachers 6th - 8th Standards
This App allows students to review how to perform algorithms for the four basic operations. The three modes - the step-by-step mode, fast mode, and the Missing Pieces game allows students to learn, review, and understand the concepts for...
Interactive
Mangahigh

Mangahigh: Number: Add and Subtract Tens and Hundreds

For Students 4th - 6th Standards
Determine the sum and difference when adding and subtracting tens and hundreds.
Activity
Math Slice

Basic Math: Counting

For Students Pre-K - 1st Standards
This resource covers counting, addition, and subtraction where students can choose a range of numbers to ten. After selecting parameters students complete ten problems with instant feedback and an opportunity to practice again.
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Khan Academy

Khan Academy: Take Apart

For Students Pre-K - 1st
In this exercise, students practice subtraction by using visuals to take numbers apart. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding, Subtracting, and Multiplying Missing Number

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A learning module where students must apply the order of operations to find the missing numbers in equations involving addition, subtraction, and multiplication. A...
Activity
Other

Kid's Page Archive: Free Printable Math Worksheets

For Teachers Pre-K - 1st
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
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Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving One Step Equations

For Students 9th - 10th Standards
Twenty-five problems present a variety of practice solving one-step equations with addition and subtraction. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...