Unit Plan
Oswego City School District

Regents Exam Prep Center: Signed Numbers

For Students 9th - 10th
This tutorial on signed numbers features lesson plans, practice pages, examples, application problems, and interactive work. Teacher resources include overhead manipulatives, card games, a Bingo game, and graphing calculator downloads.
Unknown Type
Khan Academy

Khan Academy: Add Fractions With Unlike Denominators

For Students 4th - 6th Standards
Practice adding fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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
Larson Texts

Larson Precalculus: Operations of Complex Numbers in the Complex Plane [Pdf]

For Students 9th - 10th Standards
A 3-page handout with examples and exercises in adding, subtracting, and multiplying complex numbers in the complex plane, as well as finding complex conjugates.
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Shifts of Square Root Functions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Determine how the graph of a square root function shifts as values are added and subtracted from the function and multiplied by it.
Activity
Utah State University

Teacher Link Printable Teacher Aids

For Teachers Pre-K - 1st Standards
A huge collection of worksheets for addition, subtraction, multiplication, division, and handwriting practice all on PDF files ready for you to download and print for your students.
Activity
National Council of Teachers of Mathematics

The Math Forum: Beat the Calculator!

For Students 3rd - 8th
Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist

For Students K - 1st Standards
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Decimals From the Thousandths Place to the Tens Place

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...
Unknown Type
Khan Academy

Khan Academy: Combining Like Terms With Negative Coefficients & Distribution

For Students 9th - 10th
Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers.
Unit Plan
Math Is Fun

Math Is Fun: Number Line

For Students Pre-K - 1st Standards
What is a number line? How can you use one to compare large and small numbers? Find the answers to these questions, play with an interactive number line, and follow links to information on adding, subtracting, and understanding absolute...
Interactive
Shodor Education Foundation

Shodor Interactivate: Arithmetic Four

For Students K - 1st Standards
You can challenge a friend to play this game to practice your arithmetic skills. Be ready because any kind of problem can pop up. You can adjust the problems to make them harder and also to give you less time.
Activity
Other

Elementary Math Worksheets

For Students 3rd - 5th Standards
Print out different math practice sheets on the same topic as needed. A variety of practice sheets in the areas of addition, subtraction, multiplication and division are available.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Add, Subtract, and Multiply With Parentheses Missing Number

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] This is a video and practice problems demonstrate finding missing numbers using order of operations and working backwards. Operations include addition, subtraction,...
Unknown Type
Khan Academy

Khan Academy: Add on a Number Line

For Students 3rd
Practice adding numbers like 554 and 237 using a number line. All numbers are less than 1000.
Activity
Math Fact Cafe

Math Fact Cafe

For Students Pre-K - 1st
This site provides math fact sheets and flashcards for parents and teachers. Access hundreds of pre-generated math sheets, or create custom sheets to meet your own special needs.
Lesson Plan
PBS

Pbs Learning Media: Move That Math: Lesson Plan

For Teachers 2nd - 5th
Combine addition of numbers identified from playing cards with physical activity to engage students and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require two decks of...
Unit Plan
Khan Academy

Khan Academy: Add Within 100

For Students 1st - 3rd Standards
Practice adding two-digit numbers. All numbers in these problems are 100 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 1000

For Students 2nd - 4th
Practice adding three-digit numbers. All sums are 1000 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, and ask for hints.
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Cuckoo Caper

For Students 3rd - 8th
The famous Clockenheimer Cuckoo is missing from Clockenheimer Clocks on Main Street! Help Math Maven get it back by solving a math riddle.
Unknown Type
Shodor Education Foundation

Shodor Interactivate: Fraction Quiz

For Students 9th - 10th
This activity allows the student to practice simplifying, converting, and multiplying decimals, percentages, and fractions. There are 3 levels of difficulty and the time limit may be set from no limit to 60 seconds. Additional...
Graphic
Math Is Fun

Math Is Fun: Definition of Abacus

For Students 3rd - 8th
You can use an abacus to count, add, subtract, multiply and more. Try this interactive abacus and see if you can make the numbers. Choose "here's more" for some clues. Good luck!