In math, seventh graders are tested on their ability to add, subtract, multiply and divide rational numbers ... subtract and expand linear expressions involving integers; represent triangles ...

Dividing is the opposite of multiplying. When you divide a decimal number by 10, 100 and 1000, the place value of the digits in the number decrease. Place value is the position of a digit in a number.

When multiplying a 2-digit number by a 1-digit number you can use both mental and written methods. Let's take a look at an example of solving a multiplication problem in your head. Before you ...

Connections is one of the best puzzle games from the New York Times. The game tasks you with categorizing a pool of 16 words into four secret (for now) groups by figuring out how the words relate ...