Math.U.See ZetaMath. U. See Zeta Decimals, percents and other topics Zeta extends the students concept of place value to the right of the decimal point. Students learn to complete core operations with decimals. The connection between fractions and decimals is presented. Major Concepts and Skills Include: Expanding understanding of place value from positive powers of ten to include decimals Fluently adding, subtracting, multiplying, and dividing multiple digit