Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...

Find the area of squares and rectangles and discuss square inches and square centimeters with your young geometers. Follow the example provided, and then let learners try it for themselves! They will find the area of seven rectangles. 

One of the more complete lists of proofreader's marks. Includes meanings and examples of their use. Divides marks into seven categories: style of type, position, spacing, insertion and deletion, paragraphing, punctuation, and...

A grammar activity/assessment for the high school student on using commas correctly. With ten multiple choice questions that can be submitted to be scored and an essay question.