A B
Time: ____________
CARD 28 L3
A B
Time: ____________
CARD 29 L3
A B
Time: ____________
CARD 30 L3
A B
Time: ____________
CARD 31 L3
A B
Time: ____________
CARD 32 L3
A B
Time: ____________
CARD 33 L3
A B
Time: ____________
CARD 34 L3
A B
Time: ____________
CARD 35 L3
A B
Time: ____________
CARD 36 L3
A B
Time: ____________
CARD 37 L4
A B
Time: ____________
CARD 38 L4
A B
Time: ____________
CARD 39 L4
A B
Time: ____________
CARD 40 L4
A B
Time: ____________
CARD 41 L4
A B
Time: ____________
CARD 42 L4
A B
Time: ____________
CARD 43 L4
A B
Time: ____________
CARD 44 L4
A B
Time: ____________
CARD 45 L4
A B
Time: ____________
CARD 46 L4
A B
Time: ____________
CARD 47 L4
A B
Time: ____________
CARD 48 L4
A B
Time: ____________
Detective Self-Rating
How confident do you feel as a Time Detective?
CHIEF INSPECTOR SCORE
Clues correctly solved
______ / 48
C06: B (12:00 PM)
C07: B (11:00 AM)
C08: A (5:00 AM)
C09: B (12:00 AM)
C10: A (9:00 PM)
C11: A (10:00 AM)
C12: A (7:00 PM)
L2: Half-Hour
C13: B (1:30 PM)
C14: B (12:30 PM)
C15: A (8:30 AM)
C16: A (6:30 PM)
C17: A (12:30 AM)
C18: B (4:30 PM)
C19: B (10:30 AM)
C20: A (1:30 AM)
C21: A (7:30 PM)
C22: B (11:30 AM)
C23: A (11:30 PM)
C24: A (10:30 PM)
L3: Intervals
C25: A (4:15 PM)
C26: A (9:15 AM)
C27: A (11:45 AM)
C28: B (7:45 AM)
C29: A (8:10 AM)
C30: A (12:50 PM)
C31: B (6:20 PM)
C32: B (1:10 PM)
C33: A (3:25 PM)
C34: B (11:55 AM)
C35: B (12:05 AM)
C36: A (5:55 PM)
L4: Minutes
C37: B (6:08 AM)
C38: B (12:02 PM)
C39: A (12:05 AM)
C40: A (4:32 PM)
C41: A (8:24 PM)
C42: B (1:40 AM)
C43: A (10:51 AM)
C44: A (3:19 PM)
C45: B (11:59 AM)
C46: A (9:44 PM)
C47: B (7:06 AM)
C48: B (2:18 AM)
TIME DETECTIVES - Grading Key Companion Page 2 of 2
A 11:00 AM
B 11:00 PM
Clip A
Clip B
Hour Shifts CARD 11
Shift Clue 11
11:00 AM?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Hour Shifts CARD 12
Shift Clue 12
12:00 AM (Midnight)?
A 11:00 PM
B 11:00 AM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 3 of 12
Level 2
Cards 13 - 16
Half-Hour Shifts CARD 13
Shift Clue 13
4:30 PM?
A 5:00 PM
B 4:00 PM
Clip A
Clip B
Half-Hour Shifts CARD 14
Shift Clue 14
9:00 AM?
A 8:30 AM
B 9:30 AM
Clip A
Clip B
Half-Hour Shifts CARD 15
Shift Clue 15
11:30 AM?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Half-Hour Shifts CARD 16
Shift Clue 16
12:30 AM?
A 12:00 MIDNIGHT
B 12:00 NOON
Clip A
Clip B
TIME SHIFTS Math Box Series Page 4 of 12
Level 2
Cards 17 - 20
Half-Hour Shifts CARD 17
Shift Clue 17
10:30 AM?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Half-Hour Shifts CARD 18
Shift Clue 18
1:00 PM?
A 12:30 PM
B 12:30 AM
Clip A
Clip B
Half-Hour Shifts CARD 19
Shift Clue 19
11:30 PM?
A 12:00 MIDNIGHT
B 12:00 NOON
Clip A
Clip B
Half-Hour Shifts CARD 20
Shift Clue 20
12:00 PM (Noon)?
A 11:30 AM
B 11:30 PM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 5 of 12
Level 2
Cards 21 - 24
Half-Hour Shifts CARD 21
Shift Clue 21
2:00 PM?
A 12:30 PM
B 12:30 AM
Clip A
Clip B
Half-Hour Shifts CARD 22
Shift Clue 22
12:30 PM?
A 1:00 PM
B 1:00 AM
Clip A
Clip B
Half-Hour Shifts CARD 23
Shift Clue 23
8:30 PM?
A 8:00 PM
B 9:00 PM
Clip A
Clip B
Half-Hour Shifts CARD 24
Shift Clue 24
11:30 PM?
A 2:00 AM
B 2:00 PM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 6 of 12
Level 3
Cards 25 - 28
Quarter-Hour Shifts CARD 25
Shift Clue 25
4:15 PM?
A 4:30 PM
B 4:00 PM
Clip A
Clip B
Quarter-Hour Shifts CARD 26
Shift Clue 26
8:00 AM?
A 7:45 AM
B 8:15 AM
Clip A
Clip B
Quarter-Hour Shifts CARD 27
Shift Clue 27
11:15 AM?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Quarter-Hour Shifts CARD 28
Shift Clue 28
12:10 PM?
A 11:55 AM
B 11:55 PM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 7 of 12
Level 3
Cards 29 - 32
Quarter-Hour Shifts CARD 29
Shift Clue 29
11:45 PM?
A 12:15 AM
B 12:15 PM
Clip A
Clip B
Quarter-Hour Shifts CARD 30
Shift Clue 30
1:00 AM?
A 12:45 AM
B 12:45 PM
Clip A
Clip B
Quarter-Hour Shifts CARD 31
Shift Clue 31
12:30 PM?
A 11:45 AM
B 11:45 PM
Clip A
Clip B
Quarter-Hour Shifts CARD 32
Shift Clue 32
11:45 AM?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
TIME SHIFTS Math Box Series Page 8 of 12
Level 3
Cards 33 - 36
Quarter-Hour Shifts CARD 33
Shift Clue 33
11:45 PM?
A 12:30 AM
B 12:30 PM
Clip A
Clip B
Quarter-Hour Shifts CARD 34
Shift Clue 34
12:00 AM (Midnight)?
A 11:45 PM
B 11:45 AM
Clip A
Clip B
Quarter-Hour Shifts CARD 35
Shift Clue 35
12:45 AM?
A 1:00 AM
B 1:00 PM
Clip A
Clip B
Quarter-Hour Shifts CARD 36
Shift Clue 36
12:15 PM?
A 11:45 AM
B 11:45 PM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 9 of 12
Level 4
Cards 37 - 40
Precise Minutes CARD 37
Shift Clue 37
6:00 AM?
A 5:55 AM
B 6:05 AM
Clip A
Clip B
Precise Minutes CARD 38
Shift Clue 38
11:55 AM?
A 12:05 PM
B 12:05 AM
Clip A
Clip B
Precise Minutes CARD 39
Shift Clue 39
11:58 PM?
A 12:03 MIDNIGHT
B 12:03 NOON
Clip A
Clip B
Precise Minutes CARD 40
Shift Clue 40
4:05 PM?
A 3:57 PM
B 3:57 AM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 10 of 12
Level 4
Cards 41 - 44
Precise Minutes CARD 41
Shift Clue 41
8:50 PM?
A 9:10 PM
B 9:10 AM
Clip A
Clip B
Precise Minutes CARD 42
Shift Clue 42
12:02 AM (Midnight)?
A 11:57 PM
B 11:57 AM
Clip A
Clip B
Precise Minutes CARD 43
Shift Clue 43
1:55 AM?
A 2:07 AM
B 2:07 PM
Clip A
Clip B
Precise Minutes CARD 44
Shift Clue 44
12:10 PM?
A 11:45 AM
B 11:45 PM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 11 of 12
Level 4
Cards 45 - 48
Precise Minutes CARD 45
Shift Clue 45
11:59 AM?
A 12:03 PM
B 12:03 AM
Clip A
Clip B
Precise Minutes CARD 46
Shift Clue 46
3:05 PM?
A 2:50 PM
B 2:50 AM
Clip A
Clip B
Precise Minutes CARD 47
Shift Clue 47
12:56 AM?
A 1:02 AM
B 1:02 PM
Clip A
Clip B
Precise Minutes CARD 48
Shift Clue 48
12:05 PM?
A 11:52 AM
B 11:52 PM
Clip A
Clip B
TIME SHIFTS Math Box Series Page 12 of 12
A B
Shifted Time: ____________
CARD 26 L3
A B
Shifted Time: ____________
CARD 27 L3
A B
Shifted Time: ____________
CARD 28 L3
A B
Shifted Time: ____________
CARD 29 L3
A B
Shifted Time: ____________
CARD 30 L3
A B
Shifted Time: ____________
CARD 31 L3
A B
Shifted Time: ____________
CARD 32 L3
A B
Shifted Time: ____________
CARD 33 L3
A B
Shifted Time: ____________
CARD 34 L3
A B
Shifted Time: ____________
CARD 35 L3
A B
Shifted Time: ____________
CARD 36 L3
A B
Shifted Time: ____________
CARD 37 L4
A B
Shifted Time: ____________
CARD 38 L4
A B
Shifted Time: ____________
CARD 39 L4
A B
Shifted Time: ____________
CARD 40 L4
A B
Shifted Time: ____________
CARD 41 L4
A B
Shifted Time: ____________
CARD 42 L4
A B
Shifted Time: ____________
CARD 43 L4
A B
Shifted Time: ____________
CARD 44 L4
A B
Shifted Time: ____________
CARD 45 L4
A B
Shifted Time: ____________
CARD 46 L4
A B
Shifted Time: ____________
CARD 47 L4
A B
Shifted Time: ____________
CARD 48 L4
A B
Shifted Time: ____________
Detective Self-Rating
How confident do you feel as a Time Shift Detective?
CHIEF INSPECTOR SCORE
Shifts correctly calculated
______ / 48
C05: A (1:00 AM)
C06: A (11:00 PM)
C07: A (1:00 AM)
C08: A (11:00 AM)
C09: A (1:00 AM)
C10: A (11:00 AM)
C11: A (12:00 PM)
C12: A (11:00 PM)
L2: Half-Hour
C13: A (5:00 PM)
C14: A (8:30 AM)
C15: A (12:00 PM)
C16: A (12:00 AM)
C17: A (12:00 PM)
C18: A (12:30 PM)
C19: A (12:00 AM)
C20: A (11:30 AM)
C21: A (12:30 PM)
C22: A (1:00 PM)
C23: A (8:00 PM)
C24: A (2:00 AM)
L3: Quarter-Hr
C25: A (4:30 PM)
C26: A (7:45 AM)
C27: A (12:00 PM)
C28: A (11:55 AM)
C29: A (12:15 AM)
C30: A (12:45 AM)
C31: A (11:45 AM)
C32: A (12:00 PM)
C33: A (12:30 AM)
C34: A (11:45 PM)
C35: A (1:00 AM)
C36: A (11:45 AM)
L4: Precise Min
C37: A (5:55 AM)
C38: A (12:05 PM)
C39: A (12:03 AM)
C40: A (3:57 PM)
C41: A (9:10 PM)
C42: A (11:57 PM)
C43: A (2:07 AM)
C44: A (11:45 AM)
C45: A (12:03 PM)
C46: A (2:50 PM)
C47: A (1:02 AM)
C48: A (11:52 AM)
TIME SHIFTS - Grading Key Companion Page 2 of 2
School Scenario
A third-grade elementary class had independent silent reading time from 9:15 AM to 9:45 AM. How long did they read?
A 30 Minutes
B 45 Minutes
Clip A
Clip B
TIME DETECTIVES Math Box Series Page 2 of 6
Level 2
Cards 09 - 12
Half & Quarter CARD 09
Work Scenario
An executive assistant formatted and edited a company-wide quarterly sales report from 11:15 AM to 12:30 PM. How long did it take?
A 1 hr 15 min
B 1 hr 30 min
Clip A
Clip B
Half & Quarter CARD 10
School Scenario
The school's afternoon professional development briefing for high school teachers was held from 1:45 PM to 3:15 PM. How long was it?
A 1 hr 30 min
B 2 hr 15 min
Clip A
Clip B
Half & Quarter CARD 11
Work Scenario
The overnight security officer patrolled the high school campus grounds from 11:45 PM to 12:15 AM. How long was the patrol?
A 30 Minutes
B 1 hr 15 min
Clip A
Clip B
Half & Quarter CARD 12
Work Scenario
A corporate marketing manager researched social media advertising trends from 7:30 AM to 9:15 AM. How long did they work?
A 1 hr 45 min
B 1 hr 15 min
Clip A
Clip B
TIME DETECTIVES Math Box Series Page 3 of 6
Level 3
Cards 13 - 16
Interval Cases CARD 13
School Scenario
An unscheduled mid-morning elementary school fire drill ran from 8:05 AM to 8:35 AM. How long did it take?
A 30 Minutes
B 25 Minutes
Clip A
Clip B
Interval Cases CARD 14
School Scenario
A college academic advisor held drop-in office hour advising for a student from 12:50 PM to 1:15 PM. How long did they meet?
A 25 Minutes
B 35 Minutes
Clip A
Clip B
Interval Cases CARD 15
Work Scenario
An evening hotel receptionist took her scheduled breaks away from the front desk from 10:45 PM to 11:05 PM. How long was she away?
A 20 Minutes
B 15 Minutes
Clip A
Clip B
Interval Cases CARD 16
School Scenario
The high school student council decorated the gym lobby for the homecoming dance from 4:25 PM to 5:10 PM. How long did they work?
A 45 Minutes
B 35 Minutes
Clip A
Clip B
TIME DETECTIVES Math Box Series Page 4 of 6
Level 3
Cards 17 - 20
Interval Cases CARD 17
Work Scenario
An engineering project manager had a quick phone progress check-in with the team from 11:55 AM to 12:10 PM. How long was the call?
A 15 Minutes
B 20 Minutes
Clip A
Clip B
Interval Cases CARD 18
Work Scenario
An IT specialist scheduled automated database server backup scripts to run from 1:35 AM to 3:05 AM. How long did they run?
A 1 hr 30 min
B 2 hr 10 min
Clip A
Clip B
Precise Mysteries CARD 19
School Scenario
The kindergarteners lined up for afternoon outdoor recess at 2:08 PM and returned to class at 2:23 PM. How long was recess?
A 15 Minutes
B 11 Minutes
Clip A
Clip B
Precise Mysteries CARD 20
Work Scenario
A corporate web developer debugged a critical database connection error from 11:54 AM to 12:12 PM. How long did it take?
A 18 Minutes
B 22 Minutes
Clip A
Clip B
TIME DETECTIVES Math Box Series Page 5 of 6
Level 4
Cards 21 - 24
Precise Mysteries CARD 21
Work Scenario
An HR representative conducted an extensive department exit interview with an employee from 4:47 PM to 5:23 PM. How long did it last?
A 36 Minutes
B 42 Minutes
Clip A
Clip B
Precise Mysteries CARD 22
School Scenario
The high school marching band rehearsed their halftime field formations under the lights from 11:57 PM to 12:18 AM. How long did they rehearse?
A 21 Minutes
B 17 Minutes
Clip A
Clip B
Precise Mysteries CARD 23
School Scenario
A fifth-grade student spent uninterrupted time writing a creative adventure story in her notebook from 9:42 AM to 11:15 AM. How long did she write?
A 1 hr 33 min
B 1 hr 13 min
Clip A
Clip B
Precise Mysteries CARD 24
Work Scenario
An overnight shift nurse updated electronic patient charts at her computer station from 12:58 AM to 2:14 AM. How long did she chart?
A 1 hr 16 min
B 1 hr 24 min
Clip A
Clip B
TIME DETECTIVES Math Box Series Page 6 of 6
End
A B
Duration: _________
CARD 15 L3
Timeline Workspace
Start
End
A B
Duration: _________
CARD 16 L3
Timeline Workspace
Start
End
A B
Duration: _________
CARD 17 L3
Timeline Workspace
Start
End
A B
Duration: _________
CARD 18 L3
Timeline Workspace
Start
End
A B
Duration: _________
CARD 19 L4
Timeline Workspace
Start
End
A B
Duration: _________
CARD 20 L4
Timeline Workspace
Start
End
A B
Duration: _________
CARD 21 L4
Timeline Workspace
Start
End
A B
Duration: _________
CARD 22 L4
Timeline Workspace
Start
End
A B
Duration: _________
CARD 23 L4
Timeline Workspace
Start
End
A B
Duration: _________
CARD 24 L4
Timeline Workspace
Start
End
A B
Duration: _________
Detective Self-Rating
How confident do you feel as a Timeline Detective?
CHIEF INSPECTOR SCORE
Timelines correctly solved
______ / 24
CARD 03: A (5 Hours) 1:00 PM ➔ 6:00 PM
CARD 04: A (4 Hours) 8:00 AM ➔ 12:00 PM
CARD 05: A (4 Hours) 10:00 PM ➔ 2:00 AM
CARD 06: A (7 Hours) 11:00 PM ➔ 6:00 AM
Whole Hours
L2: Half & Qtr
CARD 07: A (1 Hour) 3:30 PM ➔ 4:30 PM
CARD 08: A (30 Mins) 9:15 AM ➔ 9:45 AM
CARD 09: A (1h 15m) 11:15 AM ➔ 12:30 PM
CARD 10: A (1h 30m) 1:45 PM ➔ 3:15 PM
CARD 11: A (30 Mins) 11:45 PM ➔ 12:15 AM
CARD 12: A (1h 45m) 7:30 AM ➔ 9:15 AM
Fractions of Hr
L3: Intervals
CARD 13: A (30 Mins) 8:05 AM ➔ 8:35 AM
CARD 14: A (25 Mins) 12:50 PM ➔ 1:15 PM
CARD 15: A (20 Mins) 10:45 PM ➔ 11:05 PM
CARD 16: A (45 Mins) 4:25 PM ➔ 5:10 PM
CARD 17: A (15 Mins) 11:55 AM ➔ 12:10 PM
CARD 18: A (1h 30m) 1:35 AM ➔ 3:05 AM
5 & 10 Min Steps
L4: Precise
CARD 19: A (15 Mins) 2:08 PM ➔ 2:23 PM
CARD 20: A (18 Mins) 11:54 AM ➔ 12:12 PM
CARD 21: A (36 Mins) 4:47 PM ➔ 5:23 PM
CARD 22: A (21 Mins) 11:57 PM ➔ 12:18 AM
CARD 23: A (1h 33m) 9:42 AM ➔ 11:15 AM
CARD 24: A (1h 16m) 12:58 AM ➔ 2:14 AM
Precise Minutes
TIME DETECTIVES - Grading Key Companion Page 2 of 2
You start sweeping the school hallway floors at 8:00 PM. You sweep for 3 hours. What time do you finish?
A 11:00 PM
B 11:00 AM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 2 of 10
Level 1
Cards 09 - 12
Hour Arrivals CARD 09
Office Job
You start shredding old papers in the office at 11:00 AM. You shred papers for 1 hour. What time do you finish?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Hour Arrivals CARD 10
Warehouse Job
You start sorting storage boxes in the back room at 10:00 PM. You sort boxes for 8 hours. What time do you finish?
A 6:00 AM
B 6:00 PM
Clip A
Clip B
Half-Hour Arrivals CARD 11
Kitchen Job
You start helping in the school cafeteria at 1:30 PM. It takes you 30 minutes to clean up. What time do you finish?
A 2:00 PM
B 2:00 AM
Clip A
Clip B
Half-Hour Arrivals CARD 12
Dining Job
You start wiping off tables in the school dining room at 10:30 AM. You wipe tables for 30 minutes. What time are you done?
A 11:00 AM
B 11:00 PM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 3 of 10
Level 2
Cards 13 - 16
Half-Hour Arrivals CARD 13
Greenhouse Job
You start your job watering school greenhouse plants at 3:30 PM. It takes you 1 hour and 30 minutes. What time do you finish?
A 5:00 PM
B 5:30 PM
Clip A
Clip B
Half-Hour Arrivals CARD 14
Kitchen Job
You start washing big metal dishes in the cafeteria at 11:30 AM. You wash dishes for 1 hour and 30 minutes. What time are you done?
A 1:00 PM
B 1:00 AM
Clip A
Clip B
Half-Hour Arrivals CARD 15
Cleaning Job
You start taking out the heavy school trash bins at 5:30 PM. You work for 2 hours and 30 minutes. What time do you finish?
A 8:00 PM
B 8:30 PM
Clip A
Clip B
Half-Hour Arrivals CARD 16
Laundry Job
You start loading the school laundry washing machines at 11:30 PM. You wash clothes for 1 hour and 30 minutes. What time do you finish?
A 1:00 AM
B 1:00 PM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 4 of 10
Level 2
Cards 17 - 20
Half-Hour Arrivals CARD 17
Sorting Job
You start your job at the school recycling station at 4:30 PM. You sort paper for 30 minutes. What time do you finish?
A 5:00 PM
B 5:00 AM
Clip A
Clip B
Half-Hour Arrivals CARD 18
Cleaning Job
You start sweeping and mopping the school hallways at 8:30 AM. You mop for 3 hours and 30 minutes. What time are you done?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Half-Hour Arrivals CARD 19
Office Job
You start putting stamps on mailing letters at 9:30 AM. It takes you 2 hours and 30 minutes to finish. What time will it be?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Half-Hour Arrivals CARD 20
Cleaning Job
You start your job cleaning the office desks at 11:30 PM. You clean for 4 hours and 30 minutes. What time is your shift done?
A 4:00 AM
B 4:00 PM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 5 of 10
Level 3
Cards 21 - 24
Quarter-Hour Arrivals CARD 21
Break Time
You start your work break in the staff room at 10:15 AM. Your break lasts for 15 minutes. What time must you go back to work?
A 10:30 AM
B 10:45 AM
Clip A
Clip B
Quarter-Hour Arrivals CARD 22
Kitchen Job
You start your kitchen prep job in the school cafeteria at 2:45 PM. It takes you 45 minutes to finish. What time will you be done?
A 3:30 PM
B 3:15 PM
Clip A
Clip B
Quarter-Hour Arrivals CARD 23
School Job
You start putting away sports balls in the gymnasium closet at 11:45 AM. It takes you 15 minutes. What time will you finish?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Quarter-Hour Arrivals CARD 24
Cleaning Job
You start cleaning the glass windows in the school lobby at 12:45 AM. You clean for 45 minutes. What time do you finish?
A 1:30 AM
B 1:30 PM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 6 of 10
Level 3
Cards 25 - 28
Quarter-Hour Arrivals CARD 25
Break Time
You start your morning scheduled work break at 10:15 AM. Your break lasts for 15 minutes. What time must you return to work?
A 10:30 AM
B 10:45 AM
Clip A
Clip B
Quarter-Hour Arrivals CARD 26
Office Job
You start shredding old papers in the school main office at 3:45 PM. You shred papers for 1 hour and 15 minutes. What time do you finish?
A 5:00 PM
B 5:15 PM
Clip A
Clip B
Quarter-Hour Arrivals CARD 27
School Job
You start wiping down the classroom whiteboards at 11:15 AM. You wipe boards for 45 minutes. What time do you finish?
A 12:00 NOON
B 12:00 MIDNIGHT
Clip A
Clip B
Quarter-Hour Arrivals CARD 28
Laundry Job
You start folding towels and sports jerseys at the school gym at 6:45 PM. You fold laundry for 2 hours and 15 minutes. What time are you done?
A 9:00 PM
B 9:15 PM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 7 of 10
Level 3
Cards 29 - 32
Quarter-Hour Arrivals CARD 29
Delivery Job
You start loading the bakery delivery van at 11:45 PM. It takes you 45 minutes to load. What time will the van be ready to leave?
A 12:30 AM
B 12:30 PM
Clip A
Clip B
Quarter-Hour Arrivals CARD 30
School Job
You start washing windows at the school administrative office at 7:45 AM. You wash windows for 45 minutes. What time do you finish?
A 8:30 AM
B 8:45 AM
Clip A
Clip B
Precise Arrivals CARD 31
School Job
You start emptying the office paper recycle bins at 8:05 AM. It takes you exactly 10 minutes. What time will you finish?
A 8:15 AM
B 8:10 AM
Clip A
Clip B
Precise Arrivals CARD 32
School Job
You start sweeping the school entryway at 1:55 PM. You sweep for exactly 10 minutes. What time will you finish?
A 2:05 PM
B 2:05 AM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 8 of 10
Level 4
Cards 33 - 36
Precise Arrivals CARD 33
Kitchen Job
You start wiping down plastic cafeteria trays at 11:55 AM. You wipe trays for exactly 20 minutes. What time do you finish?
A 12:15 PM
B 12:15 AM
Clip A
Clip B
Precise Arrivals CARD 34
School Job
You start locking up the school hallway doors for the night at 11:55 PM. It takes you 15 minutes. What time will you be done?
A 12:10 AM
B 12:10 PM
Clip A
Clip B
Precise Arrivals CARD 35
Office Job
You start sorting incoming paper mail into staff mailboxes at 2:25 PM. You sort mail for exactly 20 minutes. What time are you done?
A 2:45 PM
B 2:45 AM
Clip A
Clip B
Precise Arrivals CARD 36
School Job
You start wiping down school library computer keyboards at 3:03 PM. It takes you 12 minutes. What time will you be done?
A 3:15 PM
B 3:15 AM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 9 of 10
Level 4
Cards 37 - 40
Precise Arrivals CARD 37
School Job
You start shredding old papers in the school main office at 11:56 AM. It takes you exactly 8 minutes. What time are you finished?
A 12:04 PM
B 12:04 AM
Clip A
Clip B
Precise Arrivals CARD 38
Kitchen Job
You start folding fabric aprons in the kitchen at 11:57 PM. It takes you 16 minutes to fold them all. What time will you finish?
A 12:13 AM
B 12:13 PM
Clip A
Clip B
Precise Arrivals CARD 39
Cleaning Job
You start sweeping the kitchen floor at 7:58 AM. It takes you exactly 6 minutes to sweep. What time will you be done?
A 8:04 AM
B 8:04 PM
Clip A
Clip B
Precise Arrivals CARD 40
School Job
You start packing library books into shipping boxes at 1:54 PM. It takes you 18 minutes. What time will you finish?
A 2:12 PM
B 2:12 AM
Clip A
Clip B
ARRIVAL TIME Math Box Series Page 10 of 10
Arrival: ____________
CARD 27 L3
A B
Arrival: ____________
CARD 28 L3
A B
Arrival: ____________
CARD 29 L3
A B
Arrival: ____________
CARD 30 L3
A B
Arrival: ____________
CARD 31 L4
A B
Arrival: ____________
CARD 32 L4
A B
Arrival: ____________
CARD 33 L4
A B
Arrival: ____________
CARD 34 L4
A B
Arrival: ____________
CARD 35 L4
A B
Arrival: ____________
CARD 36 L4
A B
Arrival: ____________
CARD 37 L4
A B
Arrival: ____________
CARD 38 L4
A B
Arrival: ____________
CARD 39 L4
A B
Arrival: ____________
CARD 40 L4
A B
Arrival: ____________
Detective Self-Rating
How confident do you feel as an Arrival Detective?
CHIEF INSPECTOR SCORE
Arrivals correctly calculated
______ / 40
C06: A (6:00 AM)
C07: A (3:00 PM)
C08: A (11:00 PM)
C09: A (12:00 PM)
C10: A (6:00 AM)
L2: Half-Hour
C11: A (2:00 PM)
C12: A (11:00 AM)
C13: A (5:00 PM)
C14: A (1:00 PM)
C15: A (8:00 PM)
C16: A (1:00 AM)
C17: A (5:00 PM)
C18: A (12:00 PM)
C19: A (12:00 PM)
C20: A (4:00 AM)
L3: Quarter-Hr
C21: A (10:30 AM)
C22: A (3:30 PM)
C23: A (12:00 PM)
C24: A (1:30 AM)
C25: A (10:30 AM)
C26: A (5:00 PM)
C27: A (12:00 PM)
C28: A (9:00 PM)
C29: A (12:30 AM)
C30: A (8:30 AM)
L4: Precise Min
C31: A (8:15 AM)
C32: A (2:05 PM)
C33: A (12:15 PM)
C34: A (12:10 AM)
C35: A (2:45 PM)
C36: A (3:15 PM)
C37: A (12:04 PM)
C38: A (12:13 AM)
C39: A (8:04 AM)
C40: A (2:12 PM)
ARRIVAL TIME - Grading Key Companion Page 2 of 2
