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Calendars, Cycles of Time, and Duration

1st Grade · Math · Open Global Math

9 lessons

Goal

Learners will read and locate dates on calendars, sequence days, months, and seasons, and compare event durations in standard units of time.

9 lessons
0 of 9 done
  1. Sequencing Yesterday, Today, and Tomorrow in OrderUp next
  2. Reading the Days of the Week and Months of the YearNot started yet
  3. Exploring the Four Seasons and Yearly CyclesNot started yet
  4. Reading Calendars: Days, Weeks and MonthsNot started yet
  5. Locating and Writing Dates on a CalendarNot started yet
  6. Finding the Number of Days Between EventsNot started yet
  7. Days, Weeks, Months, and YearsYou are here
  8. Estimating and Comparing Duration of EventsNot started yet
  9. Comparing Durations in Hours, Days, and WeeksNot started yet
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Learning standards covered

GlobalOGM.2.MD.5Open Global Math Standards 2026™ · 1st Grade

Understand calendar structures and cycles of time (days of the week, months of the year, seasons); read, write, and locate dates on calendars; describe and compare duration between events using standard and non-standard units (hours, days, weeks, months, years).