This document appears to be notes from a math class covering decimals. It includes notes on adding and subtracting decimals, as well as sample problems and homework assignments. Key points: - The class will have a quiz on decimals this Friday and students must fill out a form and get parent signature. - Topics covered include place value, rounding, adding and subtracting decimals by lining up places values and adding/subtracting zeros. - Students are given homework problems estimating sums and products of decimals.