Addition involves finding the total of two or more numbers or amounts. There are different things you can use to help you add. You can use number lines, place value charts and place value counters.

Addition is finding the total of two or more numbers. You use the addition sign (+) when you want to add one number to another. Addition calculations also use the equals sign (=). The left side and ...

Want to help your first-grader master math? Here are some of the skills your child will be learning in the classroom. Understand place value in one- and two-digit numbers. Understand that in two-digit ...

Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. After our 3 frequently asked questions about math puzzles episode ...