University of Cambridge
University of Cambridge: Nrich: Make 37
Sharpen your logic and addition skills while working on this challenge. Solution.
University of Cambridge
University of Cambridge: Nrich: Adding Plus
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
Purple Math
Purplemath: Adding Polynomials
Demonstrates how to add polynomials using both the horizontal and vertical formats.
Purple Math
Purplemath: Operations on Functions
Demonstrates how to add, subtract, multiply, and divide functions. Includes an example of evaluation. Demystifies the notation.
Other
First Signs: Other Developmental Disorders
Although developmental and behavioral disorders are increasingly widespread, they are still poorly understood by most of society. The lack of knowledge is further compounded by the stigma that often accompanies a diagnosis of a...
University of Waterloo (Canada)
Math Frog: Arithmagic
Practice operations of mental math while the program timer runs.
Khan Academy
Khan Academy: Addition and Subtraction Word Problems 2
Practice solving more challenging word problems with addition and subtraction. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ICT Games
Ict Games: 100 Hunt Plus 9
You will need to add 9 to the target number given. Find the sum and click it in the hundreds chart. See if you can keep your time score as low as possible.
Math Slice
Math Slice: Connect 4
This resource contains practice problems where students connect four numbers that create the given sum. Students are able to select the range of numbers they will be adding together.
Math Slice
Math Slice: Math Jeopardy
This resource is a jeopardy game where students select questions where they have to determine the two numbers that create the given sum. The sum is a range of 2, 3, 4, and 5 digit numbers. The answers are multiple choice, and students...
SMART Technologies
Smart: Addition Strategies Fact Families
Smart Exchange is an online community that teachers can share resources. This SMART Notebook file is a great introduction to what fact families are and how 3 numbers can be related to one another. This fact house offers activities to...
AAA Math
Aaa Math: Two Digit Addition Equations
Learn how to solve two-digit addition problems, and then practice the skill with interactive problems.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.