Students learn about finding a common denominator in fraction addition and subtraction.

[Free Registration/Login may be required to access all resource tools.] Add and subtract rational expressions with the same denominator and different denominators.

Sharpen your computation skills with this interactive worksheet. The focus is adding and subtracting fractions with like and unlike denominators and reducing to lowest terms. Problems are set up horizontally and answers can be checked...

[Free Registration/Login may be required to access all resource tools.] In this lesson students find the difference of mixed numbers by using borrowing and renaming. Students examine guided notes, review guided practice, watch...

Rock out to a musical demonstration of math involved in constructing rhythms from groups of beats in this video from KQED. In the accompanying classroom activity, students consider how the note durations comprising a measure in 3/4 time...

College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.

[Free Registration/Login may be required to access all resource tools.] Evaluate and compare powers.