Unit Plan
E-learning for Kids

E Learning for Kids: Math: Bbq Party: Counting Forwards & Backwards

For Students 2nd - 3rd Standards
Explore counting and number patterns with Lily as she throws a BBQ party.
Activity
Math Cats

Math Cat: Fact Family Card

For Students Pre-K - 1st
Everything you need to know about fact families can be found here. Discover what fact families are and learn different strategies for using them. Links included to print your own fact family cards, create a fact family house, and play a...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Fisher Boat: Subtraction and Groups

For Students Pre-K - 1st Standards
Frankie is fishing in Antarctica. Can you help him count how many fish he has caught?
Interactive
Math Playground

Math Playground: Thinking Blocks

For Students Pre-K - 1st Standards
This lesson teaches students how to use colored blocks to model word problems. There are several sets of problems each for addition / subtraction, multiplication / division, and ratio word problems.
Lesson Plan
Other

Nearpod: Addition & Subtraction Strategies

For Teachers 1st - 2nd
In this lesson, students will relate counting to addition and subtraction and will learn several strategies for solving addition and subtraction problems.
Interactive
University of Cambridge

University of Cambridge: Nrich: Game Subtraction Squares

For Students Pre-K - 1st
Use this game to improve your subtraction skills. You will not only need to know your subtraction facts you will also need to figure out a strategy to win! There is a "Get Printable Page," link at the top if you want to print it out to...
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...
Activity
Other

Welcome to mr.r's World of Math!!!

For Students 3rd - 5th Standards
At this site, math word problems are presented in an exciting and creative format. Students attempt to find solutions to hilarious situations using their mathematical skills. To do this they must solve various math problems in a certain...
Activity
Education Place

Houghton Mifflin: Eduplace: Kids' Place Mathematics

For Students Pre-K - 1st
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Activity
Education Place

Houghton Mifflin: Eduplace: Kids' Place Mathematics

For Students Pre-K - 1st
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Activity
NumberNut

Number Nut: Subtracting Through Twenty

For Students Pre-K - 1st Standards
Review or learn the basics of single-digit subtraction in this concise lesson that has related vocabulary and strategies for solving subtraction problems. This lesson includes lots of examples and links for two interactive subtraction...
Activity
Homeschool Math

Homeschool Math: Subtracting Mixed Numbers With Like Fractional Parts

For Students 5th Standards
A lesson about subtracting mixed numbers with like fractional parts using the strategies for the subtraction of regrouping and subtracting in parts (piece by piece).
Interactive
Other

The Math Learning Center: Number Rack

For Students K - 1st
Number rack facilitates the natural development of children's number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction...
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
University of Cambridge

University of Cambridge: Nrich: Writing Digits

For Students 3rd - 5th Standards
At this one page website you must know the difference between digits and numbers to solve the challenge. When you have a solution you can check it with the solution right there on the website.
Interactive
Organization for Community Networks

Lesson Plan: I've Got Your Number (Number Sense)

For Students 3rd - 7th
An engaging lesson used to review math concepts and facts. Students are certain to "Stay alert," in this card game where each solution is related to the next solution. Sample questions provided. Great problem solving and skill building...
Unit Plan
Khan Academy

Khan Academy: Addition Using Groups of 10 and 100

For Students 3rd - 5th Standards
In this exercise, students practice addition using groups of 10 and 100. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2...
Unit Plan
Khan Academy

Khan Academy: Estimate to Add and Subtract Multi Digit Whole Numbers

For Students 1st - 3rd Standards
Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Lesson Plan
PBS

Pbs Kids Afterschool Adventure!: Operation: Adding Up, Taking Away Activity Plan

For Teachers 1st - 3rd
In this week's Afterschool Adventure, children will practice and explore strategies for solving addition and subtraction problems, such as using counters and rulers, performing mental math, and drawing pictures. As children encounter...
Activity
University of Cambridge

University of Cambridge: Nrich: Routes 1 and 5

For Students 3rd - 8th Standards
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.
Activity
NumberNut

Number Nut: Subtracting More Than Two Values

For Students 3rd - 5th Standards
Get the facts on how to subtract more than two values in this short subtraction lesson. This lesson offers step-by-step examples, suggested strategies and shortcuts, and links to related interactive games. Both games are fast-paced and...
Whiteboard
SMART Technologies

Smart: Subtraction Strategies Using Base 10 Blocks

For Teachers 2nd
Everyday Math Lesson 6.5 using base-10 blocks.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Comparison of Problem Solving Models

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Use the strategies of making a table and looking for a pattern to solve problems.
Activity
University of Cambridge

University of Cambridge: Nrich: Make 100

For Students 3rd - 5th Standards
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.