Review/learn unit rates and dimensional analysis: video, practice problems. Answers

Review/learn drawing perpendiculars to show height of a triangle, and drawing parallels to make a parallelogram. Video. Practice. Answers

Review/learn finding the area of a circular shape and finding areas of composed shapes. Video. practice problems. Answers

Review/learn simplifying numbers (numerical expressions) with square roots and pi. Video (a little longer-sorry), practice problems. Answers

Ratio practice problems. Answers

Triangle areas on a grid practice problems with solutions

More practice with perimeters practice problems with answers

A set of mixed problems selected from the above practice problems. Answers to mixed problems