Children participating in the Winnetka Plan might be working in several grades at once.
The highly valued nephrite, classed in several grades of beauty, was employed not only for clubs and hooks but also for a variety of pendants.
The fiercely-fought contests encourage professionalism and virtuosity; about 550 bands still compete in several grades, which players compare to football leagues.
The Dalton Plan a secondary-education technique based on individual learning and the Winnetka Plan an educational system that allowed children to work in several grades at once were other examples of reforms associated with progressive education.
In their legal papers, Connecticut officials said the deputy secretary of education, Ray Simon, suggested that the state, in addition to saving money by switching to multiple-choice reading and math tests in several grades and dropping its writing assessments, could also "use multiple choice for the N.C.L.B. science tests in grades 5, 8 and 10".
Excipients are manufactured in large quantities often through continuous processing in dedicated plants and are available in several grades.
On the other hand, both polyvinyl alcohol (PVA) and hydroxypropyl methylcellulose (HPMC K4M) have been widely explored as a film former because of availability in several grades, high tensile strength, good flexibility, and acceptable transparency (Kathpalia and Gupte 2013; Russo et al. 2016).
In many countries, cream is sold in several grades, depending on the total fat content (heavy cream, light cream and extra-light cream), the viscosity (thickened and fluid) and the heat treatment applied (i.e. pasteurization and UHT) that governs the duration and temperature of storage of the cream.
- Multi-grade teaching, in which one teacher teaches several grade levels in the same classroom, was frequently effective in raising student achievement.
