Unit Plan
Khan Academy

Khan Academy: Addition Word Problems Within 10

For Students Pre-K - 1st Standards
Practice solving word problems by adding small numbers (numbers 10 or less). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add Using Groups of 10 and 100

For Students 1st - 3rd Standards
Practice making groups of 10 and 100 while adding 3-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Alabama Learning Exchange

Alex: It's Automatic! More or Less With Ten

For Teachers 1st - 2nd Standards
In this lesson, students will observe patterns with the use of a Hundreds Chart, web-based practice (IXL Hundreds Chart Practice), and by playing a game (10 More or 10 Less). The patterns noticed through the various activities will help...
Unit Plan
Mangahigh

Mangahigh: Algebra: Add and Subtract Algebraic Fractions Using Factoring

For Students 9th - 10th Standards
Students learn about the concept of adding algebraic fractions by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Unit Plan
Khan Academy

Khan Academy: Addition and Subtraction Word Problems 1

For Students K - 1st Standards
Practice adding and subtracting to solve word problems. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add Within 10

For Students Pre-K - 1st Standards
Practice adding by "putting together" (with numbers less than 10). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Study Pad

Splash Learn: Decimal Arithmetic

For Students 5th Standards
[Free Registration/Login Required] This game provides practice in decimal arithmetic including addition, subtraction, multiplication, and division of decimals.
Whiteboard
ClassFlow

Class Flow: Addition Subtraction

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] The pages of this flipchart demonstrate methods for adding and subtracting near multiples of ten and give the children opportunities to practice these methods. You may consider using a 100 square for...
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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.
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Khan Academy

Khan Academy: Put Together

For Students Pre-K - 1st
In this exercise, students practice adding within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
Khan Academy

Khan Academy: Making 5

For Students Pre-K - 1st
Practice adding numbers to make 5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Hitting the Target Number

For Teachers 2nd - 3rd
The purpose of this task is to help learners develop flexible strategies for adding and subtracting within 20. Students will pick 5 number cards from pre-made cards labeled 1-10. Then, another student will pick a "target number" between...
Unknown Type
Math Is Fun

Math Is Fun: Mathopolis: Fractions

For Students 5th - 7th Standards
Ten interactive questions on adding and subtracting fractions. Each question is supported by a detailed explanation of the solution.
Interactive
CK-12 Foundation

Ck 12: Math Grade 4

For Students 4th
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Whiteboard
ClassFlow

Class Flow: Mental Addition and Subtraction

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] The pages of this flipchart demonstrate methods for adding and subtracting near multiples of ten, and give the children opportunities to practice these methods. You may consider using a 100 square for...
Activity
Math Slice

Math Slice: Counting

For Students Pre-K - 1st Standards
Customizable learning exercises allow students to practice counting, adding, and subtracting up to 10 with pictures.
Interactive
Quia

Quia: Math Journey

For Students 1st - 8th Standards
In this online game London is your starting place! This game lets you practice addition, subtraction, multiplication, division and rounding as you "Travel," around the world. You can also choose the level of difficulty