This video and accompanying interactive assessment practice was designed to teach overview of addition sums to first graders.

This site is a series of video lectures and interactive exercises for teaching basic mathematics skills to first graders. It has separate addition and subtraction skills reviews numbers up to 10, 20, and 100; a section on telling time and reading clocks as well as course material on measurement and geometry.

The Cafeteria Manager at your school has decided to offer a Salad Bar. The Salad Bar will be open for all students and staff at the school. You love all sorts of yummy things on your salad. You get a bowl that holds 568 pieces in it. You want to put as much as you can on your salad without going over the 568 pieces. However, the toppings come in sets and you have to use the whole set. The Cafeteria Manage is allowing you to try out the Salad Bar before it is open to all students. After you determine what toppings you can put on your salad, the Cafeteria Manager wants to hear from you. What are the pros and cons of the Salad Bar? Be sure to offer any suggestions. You feedback is greatly appreciated.

This video and accompanying interactive assessment practice was designed to teach completing the subtraction sequence to first graders.

In this interactive, students must determine how many bubbles are left under Okta's shell after some have been added or taken away.

In this game, students pick from four operations: Addition, Subtraction, Multiplication or Division and difficulty level. Get 5 math problems correct in a row to take foul shots with the basketball.

Math Quiz is a quick online quiz to check your math skills! You pick from four quizzes: Addition, Subtraction, Multiplication or Division and difficulty level. Score reports are displayed after a quiz is completed.

This lesson uses shapes/symbols to represent a missing value in a mathematical equation.

This is a teacher resource that shows activities for students to decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

Students count on and add 10 to the number and press the "fire" button. Students compete against another student to see who can be the first to destroy the opponent's battleship.

This video and accompanying interactive assessment practice was designed to teach Two-step Subtraction (Numbers to 100) - Word Problems to first graders.