Pressnall 
Telling Time, Grades K – 2 [PDF ebook] 
Activities and Games for Teaching Time on the Hour, Half-Hour, and Five-Minute Increments

Make math matter to students in grades K-2 using Telling Time! This 64-page book helps students identify time at hour and half-hour intervals, understand specific time vocabulary, comprehend digital-analog time relationships, determine five-minute and quarter-hour segments on analog clocks, and figure out elapsed time. This book includes reproducible pages, teaching suggestions, a pretest and posttest, fun activities, games, and a reproducible parent letter. It is great for whole-group lessons, independent work, learning centers, and at-home enrichment. The book supports NCTM standards.