Online games for addition and subtraction
This is an annotated and hand-picked list of online games, tools, worksheets, and activities related to addition and subtraction facts or multi-digit addition/subtraction. I have tried to gather a variety of resources, and have personally hand-picked each website, to make sure it is truly useful for my site visitors!
Bus Sums Activity
Bus Sums is a fun addition & subtraction activity for kindergarten and first grade where you add people to a bus and also remove them at different bus stops. Children can practice simple addition and subtraction problems while seeing them in action in a real-life application.
Practice counting, simple addition and subtraction. This game uses both numbers and number words. Perfect for kindergarten.
Add - KidsCalculate
Multiple-choice addition practice with interactive visual models — if the child cannot answer the problem, the child can drag sticks in the workarea to find the answer. Several levels available (within 0 to 5, 0 to 10, 0 to 15, 0 to 20, or 0 to 50, add to 5).
Drag dies from stack to stack until the sums of each stack equal the sums given.
An addition/subtraction card game
This card game is an easy, cheap and fun alternative to drill.
Fun math card game
This is not an online game, but explains a simple and fun card game for addition/subtraction.
Number Bond Machines
Practice which two numbers add up to a given number.
A game where you eat the addition (or subtraction) problems if the sum (difference) is a given number. The games start out really easy and with small numbers. You can choose from many options Practices number bonds (sums of 4, 5, 6, etc.).
How to Teach Addition
This article explains how to teach addition based on building all the possible number combinations with rods (in the article you see Mortenson Math manipulatives being used).
Sticker Math Fun (Usborne)
A bright sticker activity book with hundreds of stickers. My kindergartner has really liked this book! It has different mathematically-sound activities for addition, subtraction, beginning multiplication, fractions and clock mostly on about 1st grade level. The activities are not just simple addition and subtraction, but include missing addends or subtrahends, number patterns, finding numbers that add up to a certain number, and so on.
Kids' Compare Numbers from Mr. Martini's Classroom
Compare two numbers. Press the number below to choose the biggest number that will appear.
Number Line Arithmetic
Use this virtual manipulative to illustrate addition on number line
Toy Theater - Number Pattern Bridge
Fill in the missing number in the pattern (really an arithmetic number sequence). Some of the patterns go by ones, others by other numbers (such as 1, 4, 7, 10, ____, 16).
Kids Addition Quiz
A set of five interactive addition problems that you answer online.
Arrange the bottom numbers of the pyramid in order to achieve the highest/lowest possible number on the top.
Face off! and other card and board games
Students place markers on the numbers 2-12, toss two dice, find the sum and remove a marker from that number. The page has other addition games also.
Teaching and learning math through stories. Numberline Lane is a series of ten math story books with colorful full-page illustrations. Written by a math teacher for children aged from 4 to 7 (preschool). Price: $5.90/book
An addition and subtraction facts program with 50 games and worksheets. Includes 33 different board games, playing cards, dominoes, and various kinds of dice for the games. $39.99 + sh.
Subtract - KidsCalculate
Multiple-choice subtraction practice with interactive visual models — if the child cannot answer the problem, the child can drag sticks in the workarea to find the answer. Several levels available (within 0 to 5, 0 to 10, 0 to 15, 0 to 20, or 0 to 50, subtract from 5, from 10, and missing number questions such as 9 = 6 + ?).
Kids' Subtraction Quiz from Mr. Martini's Classroom
Five problems to solve online. You can choose the highest number used from the list of numbers below the quiz.
Addition and Subtraction Game from The Little Animals Activity Centre
Solve simple addition and subtraction problems by clicking on the ladybug with the right answer.
When the ball hits numbers, it defines a problem. Next you choose the correct answer.
Help the duck fly faster by clicking on the cloud with the correct answer.
Save the Apples!
Click on the correct basket to get the monkey carry the apple basket. A crocodile is waiting!
Mental Maths Practice
Online practice of sets of 10 addition and subtraction questions; timed
Number Line Bounce
Arrange the given bounce arrows on a number line using addition and subtraction until you reach the target number. Since it uses several operations, it is challenging for first graders, but give it a try.
Base Blocks Addition
A virtual manipulative that shows regrouping in addition. You can either solve addition problems that are provided, or creater your own. "Lasso" with a mouse ten units, ten tens, or ten hundreds to regroup them. Choose "Columns = 2" to restrict the work to two-digit numbers.
Base Blocks Subtraction
A virtual manipulative that helps teach borrowing in subtraction. Choose "Create Problem", then click on the red and blue blocks to create a problem. The number to be subtracted (the subtrahend) is illustrated by the RED blocks whereas the minuend is by the BLUE blocks. Click BEGIN problem to start solving. Drag a red block on top of a blue to "subtract" - they cancel each other. Drag bigger place values to the column on their right to "break them up" - in other words regroup or borrow.
Number Blocks from WuzzlesAndPuzzles.com.
The numbers in each row add up to the totals to the right. The numbers in each column add up to the totals along the bottom. Great to practice addition in grades 2-4 and logical thinking. See also their Math Challenges - these require the usage of all four operations and can be hard.
Addition of Three-Digit Numbers e-Lab
Type two three-digit numbers to add, and the applet shows them with base ten blocks. Then press "Regroup" IF it is needed, and the applet shows regrouping with the blocks.
Subtraction of Three-Digit Numbers e-Lab
Type two three-digit numbers to subtract, and the applet shows them with base ten blocks. Then press "Regroup" IF it is needed, and the applet shows regrouping with the blocks.
Sample addition lessons for 2nd grade from Dreambox
Interactive lessons on mental addition of 2 and 3-digit numbers: Building equal expressions using snapblocks; turning hard additions into "friendlier" problems by making one of the addends a multiple of 10; function machines, and jumps of ten on the number line.
Regrouping in vertical addition
Shows hundreds, tens, ones as pictures, and asks you to regroup if needed.
Move the ball along the number line to smash the flies.
Click on the neighboring die-faces/numbers/coins so that the points add up to the given target sum.
Bridging Through Ten means the same as adding to ten first, then the rest. Get a "flight plan," then first add to ten by typing the number needed in the oval, and press the red button. Then type the rest that the shuttle needs to go in the other oval, and press the red button.
Add Like Mad
Click on numbers that add to the target sum. The more numbers you use, the higher your score will be.
Power Lines Puzzle
Arrange the numbers into the pattern so that the numbers on the "lines" add up to the given sum.
Speed Grid Addition
Find numbers on the grid that add up to the given number.
Callum's Addition Pyramid
Add the pairs of numbers to get a number on the next level and finally the top number.
Three difficulty levels.
Mr. Martini's Classroom: Long Addition
Practice adding two-digit numbers in columns online.
Mathionare Addition Quiz
Answer increasingly more difficult addition questions (one and two-digit numbers), and win a million!
Button Beach Challenge
Figure out what number the various colored buttons represent.
Teaching Treasures - Year 2 Maths Worksheets
Simple online addition and subtraction worksheets where the student types in the answer and can check it.
Random Stop 1000
Place digits strategically into the addition problem so that the sum is as close as 1000 as possible.