LESSON 5.4 Name Elapsed Time on a Calendar You can use a calendar to find elapsed time. How many days will the Harvest Festival last? • Look at the October calendar. Find 9. • Count each day of the festival. So, the festival will last 10 days. Wilson Farm began advertising the Harvest Festival 5 weeks before the first day of the festival. On what date did Wilson Farm begin advertising? • Begin at October 9. It is a Thursday. • Use the calendars to count back 5 weeks, or 5 Thursdays. So, Wilson Farm began advertising September 4. For Problems 1–4, use the calendars. 1. On how many Saturdays will the September Harvest Festival be held? Sun Mon Tue Wed Thu Fri Sat 2 Saturdays 123456 7 8 9 10 11 12 13 2. Tom bought a pumpkin on the first 14 15 16 17 18 19 20 Friday of the festival. How many weeks will it be from then until 21 22 23 24 25 26 27 October 31? 3 weeks 28 29 30 3. How many days is it from September 28 October to the last day of the Harvest Festival? Sun Mon Tue Wed Thu Fri Sat 20 days 1234 567891011 © Harcourt 4. Wilson Farm began harvesting 12 13 14 15 16 17 18 pumpkins 4 weeks before the 19 20 21 22 23 24 25 beginning of the festival. On what 26 27 28 29 30 31 date did the farm begin harvesting pumpkins? September 11 Reteach RW25 LESSON 5.4 Name Elapsed Time on a Calendar You can use a calendar to find elapsed time. How many days will the Harvest Festival last? • Look at the October calendar. Find 9. • Count each day of the festival. So, the festival will last 10 days. Wilson Farm began advertising the Harvest Festival 5 weeks before the first day of the festival. On what date did Wilson Farm begin advertising? • Begin at October 9. It is a Thursday. • Use the calendars to count back 5 weeks, or 5 Thursdays. So, Wilson Farm began advertising September 4. For Problems 1–4, use the calendars. 1. On how many Saturdays will the September Harvest Festival be held? Sun Mon Tue Wed Thu Fri Sat 2 Saturdays 123456 7 8 9 10 11 12 13 2. Tom bought a pumpkin on the first 14 15 16 17 18 19 20 Friday of the festival. How many weeks will it be from then until 21 22 23 24 25 26 27 October 31? 3 weeks 28 29 30 3. How many days is it from September 28 October to the last day of the Harvest Festival? Sun Mon Tue Wed Thu Fri Sat 20 days 1234 567891011 © Harcourt 4. Wilson Farm began harvesting 12 13 14 15 16 17 18 pumpkins 4 weeks before the 19 20 21 22 23 24 25 beginning of the festival. On what 26 27 28 29 30 31 date did the farm begin harvesting pumpkins? September 11 Reteach RW25.