Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify...

A Thanksgiving-themed interactive boosts addition, subtraction, multiplication, and division facts. Using the keyboard's arrows, players navigate a turkey through a maze, gobbling up as many berries as possible without getting tagged by...

Mental Maths Train is a multiple-choice math game that focuses on the essential vocabulary of addition, subtraction, multiplication, and division.

An online addition game which offers practice in mental math and times practice. When you submit the wrong answer, it provides the correct one. Students and teachers can choose how many places to add. In Spanish, with links to English...

In this activity you can practice mental math by answering each question with the help of the given pictures. You can choose from three different levels.

In this activity you can practice mental math by finding the value of each of the objects with the help of the given pictures.

Practice operations of mental math while the program timer runs.

Students can practice their addition facts playing Addition MATHO, a combination of math and bingo! This is a great timed mental math activity.

An online game where students can make monsters appear by knowing their addition facts.

Practice your addition facts for numbers 1-20 in this tug boat game.

Practice your mental math by finding the weight of each of the fruits. You can add or subtract different weights.

A game which helps students identify and work with two-digit numbers. There are four game modes: Find a Number, Find the Number Between Count On, and Count Back. The counting on and back games reinforce the vocabulary of addition and...

In Spanish. Practice mental addition and subtraction with this math game.

This game helps you practice adding tens. You will get to see a percent score of the answers you have correct, as well as running totals of the answers you have correct and incorrect.

For this game, students must click on four numbers that add to a given sum.

Fantastic for improving your mental maths. Similar to dominoes, complete the loop against the clock while practicing addition, subtraction, multiplication, and division.

Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...

Find the weight of each of the fruits. This is a good introduction to the relationship between greater, less or equal.