Virginia SOL 1.MG.3.i
The Standard
Determine the day/date before and after a given day/date (e.g., Today is the 8 th , so yesterday was the ?), and a date that is a specific number of days/weeks in the past or future (e.g., Tim’s birthday is in 10 days, what will be the date of his birthday?).
Virginia Standards of Learning for Mathematics · The student will demonstrate an understanding of the concept of passage of time (to the nearest hour and half-hour) and the calendar.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students use a calendar to find dates before or after a given date. They count forward or backward by a set number of days or weeks. They track changes in weekdays, dates, and months.
What Mastery Looks Like
- Students correctly name the weekday and date immediately before or after a marked date. They count forward or backward by days and weeks, including across month boundaries. They can explain where they started and how they counted.
Common Misconceptions
- Students may count the starting date as day one instead of beginning with the next date. They may confuse a weekday name with a date number or forget to change months. They may also count two weeks as two days instead of 14 days.
How to Assess It
- Give students a June and July calendar. Ask: “Circle June 28, then write the day and date one day before, three days after, and two weeks after.”
Lesson moves
Ways to Teach It
Place a counter on a large floor calendar, then have students move it forward or backward using day and week direction cards.
Ask, “Sam’s party is 10 days after March 12. What is the date, and how did you count?”
Play Calendar Race by drawing cards labeled plus or minus days and weeks, then moving a marker to the correct date.
Mark a class event on the calendar and have students update a daily countdown, naming yesterday’s, today’s, and tomorrow’s dates.
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Related Standards
- K.MG.3.e
Distinguish between days of the week and months of the year.
- 1.MG.3.h
Use ordinal numbers first through tenth to describe the relative position of specific days/dates (e.g., What is the first Monday in October? What day of the wee...
- 1.MG.3.g
Identify specific days/dates on a calendar (e.g., What date is Saturday? How many Fridays are in October?).
- K.MG.3.c
Determine the day before and after a given day (e.g., yesterday, today, tomorrow).
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