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Elapsed Time

Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

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Page 1: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Elapsed Time

Page 2: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Objective

Students will be able to determine elapsed time: across months using a

calendar, by hours and half hours using a clock.

Page 3: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Elapsed Time

The difference between two times.

Time includes hours, minutes, months, weeks, and days

Page 4: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Key Points to Remember

You need to understand the difference between

AM and PM.There are only 60

minutes in an hour. So addition won’t always

work- you have to think it through.

Page 5: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Midnight starts a new day

12:00 AM midnight is the beginning of a new

day.12:00 PM is noon.

Afternoon is Past Morning.

Page 6: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Clocks

Page 7: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

1. Start with hours

2. Then move on to minutes

Page 8: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Types of Question

s1. What time will it be in ____?2. How minutes between ____ and ____?3. How hours between ____ and ____?4. How much time passes between ____ and ____?

Page 9: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Simple

Page 10: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

3:17 PM

11:53 PM

7:43 PM

2:51 PM

What time will it be in 1 hour?

4:17 PM

12:53 AM

8:43 PM

3:51 PM

Page 11: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be 15 minutes later?

If we add 15 minutes to

the two minutes we have, the

time will be

9:17

Page 12: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be 15 minutes later?

If we add 15 minutes to

the 55 minutes we have, the

time will be

8:70

Page 13: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be 15 minutes later?

In 5 minutes it will be 9:00.

We still have 10 more minutes

In 10 more minutes, it will be 9:10 or “ten

minutes after 9”

Page 14: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

3:17 PM

11:53 PM

7:43 PM

2:51 PM

What time will it be in 15 minutes later?

3:32 PM

12:08 AM

8:02 PM

3:06 PM

Page 15: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be?

What time will it be in

2 hours & 7 min.?

Page 16: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be in 2 hrs. & 7 min.?

9:02AM

10:02

AM

11:02AM

11:09

AM

1 Hou

r

1 Hou

r

7 min

.

Page 17: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

9:02

????

9:02 2 hr. 11:02

11:02 11:097 mins.

End Time: 11:09

Page 18: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be in 2 hrs. & 7 min.?

10:51 AM

Page 19: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be in 2 hrs. & 7 min.?

10:51AM

11:51AM

12:51PM

12: 58 PM

1 Hou

r

1 Hou

r

7 min

.

Page 20: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

10:51 A.M.12:58 P.M. 2 hr. 17 min.

10:51 A.M. 1 hr.

1 hr.

5 min.

2 min.

11:51 A.M. 1 hr.

11:51 A.M. 12:51 P.M. 2 hr.

12:51 P.M. 12:56 P.M. 2 hr. 5 min.

2 hr. 7 min.12:56 P.M. 12:58 P.M.

Page 21: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be in 2 hrs. & 7 min.?

7:43 AM

Page 22: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

7:43 A.M.9:50 A.M. 2 hr. 7 min.

7:43 A.M. 1 hr.

1 hr.

5 min.

2 min.

8:43 A.M. 1 hr.

8:43 A.M. 9:43 A.M. 2 hr.

9:43 A.M. 9:48 A.M. 2 hr. 5 min.

2 hr. 7 min.9:48 A.M. 9:50 A.M.

Page 23: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

What time will it be in 2 hrs. & 7 min.?

7: 43 AM

8: 43 AM

9: 43 AM

9: 50 AM

1 Hou

r

1 Hou

r

7 min

.

Page 24: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 25: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Complex

Page 26: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

Natalie and Maria left the school at 3:05 pm. They walked for 14 minutes before arriving at Maria’s house. What time did they arrive at Maria’s house?

Page 27: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

What operation can you use?

What strategy can you use?

Page 28: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

The Garza’s will visit their cousin, who lives 3 hours and 10 minutes away. They want to get there at 11:30 am. What time should they leave?

Page 29: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

What operation can you use?

What strategy can you use?

Page 30: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

The sun set at 7:00 pm. It rose the next morning at 5:15 am. How much time passed from sunset to sunrise?

Page 31: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

What operation can you use?

What strategy can you use?

Page 32: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

Mario scored a touchdown at 7:48 pm. Julio intercepted a pass and scored a touchdown 11 minutes later. What time did Julio score the second touchdown?

Page 33: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

What operation can you use?

What strategy can you use?

Page 34: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

Melissa’s dance partner arrives at 3:30 pm and leaves at 7:45 pm. How long did they practice together?

Page 35: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Clocks

What operation can you use?

What strategy can you use?

Page 36: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 37: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 38: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 39: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 40: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 41: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 42: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Calendars

Page 43: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Calendars

1. Start with weeks

2. Then move on to days

Page 44: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Days of the Week

Page 45: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Types of Question

s1. How many days between ____ and ____?2. How many days is it from ____ to ____?3. How many days since _____?

Page 46: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

12/1 12/2 1 day

12/2 12/3 2 days12/3 12/4 3 days

12/4 12/5 4 days

12/5 12/6

12/6 12/7

12/7 12/8

12/8 12/9

12/9 12/10 9 days

8 days

7 days

6 days

5 days

Page 47: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 48: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 49: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 50: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Months of the Year

Page 51: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Types of Question

s1. How many months between ____ and ____?

2. How many months is it from ____ to ____?3. How many months since _____?

Page 52: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

December 6 January 6 = 1 month

Page 53: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

March 29 April 29 = 1 month

April 29 May 29 = 1 month

Page 54: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 55: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 56: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock
Page 57: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Years

Page 58: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Using Calendars

1. Subtract the current year from the year given

2. That will give you the total number of years.

Page 59: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Mr. Johnson was born in 1955. The year is 2012. How old is Mr. Johnson?

2012-1955

1211

10101

75

9

Mr. Johnson is 57 years

old!

Page 60: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Mrs. McNulty was born in 1963. The year is 2012. How old is Mrs. McNulty?

A. 57 years oldB. 65 years oldC. 49 years oldD. 18 years old

Page 61: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Mrs. Anderson was born in 1988. The year is 2012. How old is Mrs. Anderson?A. 24 years oldB. 25 years oldC. 29 years oldD. 18 years old

Page 62: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock

Mr. James was born in 1990. The year is 2012. How old is Mr. James?

A. 24 years oldB. 22 years oldC. 23 years oldD. 19 years old

Page 63: Elapsed Time. Objectiv e Students will be able to determine elapsed time: across months using a calendar, by hours and half hours using a clock