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Khan Academy

Khan Academy: Adding and Subtracting on the Number Line Word Problems

For Students Pre-K - 1st Standards
In this exercise, students practice adding and subtracting on the number line in word problems. Students receive immediate feedback and have the opportunity to watch a video tutorial, get hints, and try questions repeatedly.
Unit Plan
Department of Defense

Do Dea: Algebra 1: Semester 1: Equations

For Students 9th - 10th
A learning module through which students learn about equations including the following: Translating words into equations and equations into words, The Properties of Equality to help solving equations, Techniques for solving simple...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Numbers Up to 20 Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems where they have to add or subtract 3 or more numbers.
Activity
Texas Instruments

Texas Instruments: Amazing Appetites

For Teachers Pre-K - 1st Standards
In this activity, students learn to count and solve original word problems. They learn to add by combining sets and subtract when removing the set. They use manipulatives to reflect the reasoning used in problem solving.
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...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Rational Numbers in Applications

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve real-world problems involving the addition and subtraction of fractions and evaluate change.
Interactive
University of Waterloo (Canada)

University of Waterloo: Math Frog: Solving Equations 2

For Students 6th - 8th
Race against the clock to see how many simple equations you can solve correctly in three and a half minutes.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Halloween: Shopping

For Students 2nd - 3rd Standards
On this interactive website students practice various math skills using a real life scenario doing Halloween shopping. Those skills include solving money problems with addition and subtraction and understanding the value of money and coins.
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Illustrative Mathematics

Illustrative Mathematics: 4.nbt What's My Number?

For Teachers 3rd - 5th Standards
The purpose of this task is for students to reason about base-ten numbers on the number line in a way that will require them to use what they know about place value. Students first represent addition and subtraction on the number line in...
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Fact Family House [Pdf]

For Students 1st - 3rd
Roll dice and place the numbers rolled in the fact family house, then solve the addition or subtraction problem.
Interactive
Quia

Quia: Story Problems With Mixed Practice

For Students 3rd - 8th
Your problem-solving skills are put to the test in this interactive word problem game on this site. Employ a variety of mathematical skills and strategies including logical reasoning and computation. Multiple choice problems created for...
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...
Interactive
Arcademics

Arcademics: Skateboard Pups

For Students 2nd - 5th
Multiplayer math game where puppy teams on skateboards race by solving two-step math problems.
Activity
Annenberg Foundation

Annenberg Learner: Patterns in Mathematics: Mystery Operations

For Students 3rd - 8th Standards
This interactive activity allows you to change an equation's numbers in an attempt to figure out what operations are being used to control the answers.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Linear Equations in One Variable

For Students 9th - 10th Standards
After completing this tutorial, you'll know what a linear equation is and how to solve one using various arithmetic properties. Contains several definitions, problems with step-by-step solutions, and practice exercises. Includes links to...
Unit Plan
Khan Academy

Khan Academy: 2 Step Word Problems

For Students 2nd - 4th Standards
Solve two-step word problems with addition, subtraction, multiplication, and division. Some questions include estimation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Lesson Plan
PBS

Pbs Kids Afterschool Adventure!: Operation: Rainbow Math Activity Plan

For Teachers Pre-K - K
Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...
Activity
Varsity Tutors

Varsity Tutors: Aplusmath: Algebra Flashcards

For Students 9th - 10th Standards
With this interactive, students use algebra equations flashcards to practice solving equations using addition, subtraction, and multiplication.
Website
Other

Mathpower: Math Fundamental Assignments

For Students 9th - 10th Standards
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
Unit Plan
Khan Academy

Khan Academy: Multi Step Estimation Word Problems

For Students 3rd - 5th Standards
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Represent Multi Step Word Problems Using Equations

For Students 3rd - 5th Standards
Represent multi-step word problems using equations with a letter standing for the unknown quantity. Equations include addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to...
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Khan Academy

Khan Academy: 2 Step Estimation Word Problems

For Students 3rd
Use estimation to solve two-step word problems involving addition, subtraction, multiplication, and division.
Interactive
ABCya

Ab Cya: Math Man + X /

For Students 4th - 6th Standards
Math Man is an elementary activity to practice addition, subtraction, multiplication and division math facts. Solve math problems and avoid the ghosts! Fun for children of all ages!
Interactive
ABCya

Ab Cya: Gobble Squabble

For Students 1st - 5th
Gobble Squabble is a Thanksgiving activity to practice addition, subtraction, multiplication and division math facts! Solve math problems and avoid the hungry chefs. Gobble gobble!