Time Travelers Slides
Time Travelers
Learning Elapsed Time
What is Elapsed Time?
How much time has passed?
Elapsed time is the amount of time between a start time and an end time.
Today's Focus:
- Whole Hours (1 hour, 2 hours...)
- Half Hours (30 minutes)
Strategy 1: The Number Line
1:00 to 2:30
1:00
2:00
2:30
+ 1 Hour
+ 30 Min
Total Elapsed Time: 1 Hour 30 Minutes
Strategy 2: Clock Jumps
Hour Jump: Move Minute Hand all the way around.
Half-Hour Jump: Move it halfway around (30 min).
12 3 6 9 1 2 4 5
Half = 30 Minutes
Practice #1 & #2
1:00 to 3:00
Answer: ________
4:30 to 6:30
Answer: ________
Practice #3 & #4
2:00 to 2:30
Answer: ________
8:30 to 9:00
Answer: ________
Practice #5 & #6
1:00 to 2:30
Answer: ________
5:30 to 7:00
Answer: ________
Practice #7 & #8
10:00 to 12:30
Answer: ________
3:30 to 5:00
Answer: ________
Practice #9 & #10
9:00 to 11:00
Answer: ________
12:30 to 2:30
Answer: ________
Time Travelers Anchor Chart
Time Travelers
Visual Strategies for Elapsed Time
Strategy 1: The Number Line
1:00 to 2:30
🏔️ 1 HOUR
⛰️ 30 MIN
1:00
2:00
2:30
Strategy 2: Clock Jumps
1
JUMP THE HOUR
Move Minute Hand full circle.
2
JUMP THE HALF
Move Halfway Around (30 min).
12 1 2 3 6 9
Half = 30 Minutes
Add your jumps for the total time!
1 Hr + 30 Min = 1:30
Practice Answer Key
Answer Key: Time Travelers
Practice Worksheet Step-by-Step Solutions
1 1:00 to 3:00
2 Hours
Steps: 1:00 → 2:00 (1hr) → 3:00 (1hr)
2 4:30 to 6:30
2 Hours
Steps: 4:30 → 5:30 (1hr) → 6:30 (1hr)
3 2:00 to 2:30
30 Minutes
Steps: 2:00 → 2:30 (30 min)
4 8:30 to 9:00
30 Minutes
Steps: 8:30 → 9:00 (30 min)
5 1:00 to 2:30
1 Hr 30 Min
Steps: 1:00 → 2:00 (1hr) → 2:30 (30min)
6 5:30 to 7:00
1 Hr 30 Min
Steps: 5:30 → 6:30 (1hr) → 7:00 (30min)
7 10:00 to 12:30
2 Hr 30 Min
Steps: 10:00 → 11:00 (1hr) → 12:00 (1hr) → 12:30 (30min)
8 3:30 to 5:00
1 Hr 30 Min
Steps: 3:30 → 4:30 (1hr) → 5:00 (30min)
9 9:00 to 11:00
2 Hours
Steps: 9:00 → 10:00 (1hr) → 11:00 (1hr)
10 12:30 to 2:30
2 Hours
Steps: 12:30 → 1:30 (1hr) → 2:30 (1hr)