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Confidence Intervals, Skewedness, Standard Error, Critical Value of z, Residuals, Percentiles, etc. If you teach AP Statistics this document will help your kids review for a higher score.

A fun group tic-tak-toe activity that allows the teacher to differentiate the difficulty given to the students. The answer key is provided and each problem is labeled easy, medium, or hard on the key. Students will use knowledge of tax, markups, markdowns, gratuities, and commissions, to solve problems including percent increase or decrease and percent error.

A fun group tic-tak-toe activity that allows the teacher to differentiate the difficulty given to the students. The answer key is provided and each problem is in row order of easy, medium, or hard. Students will use knowledge of the absolute value of the distance between numbers, the commutative property, and the additive inverse property to simplify expressions involving integers.