# Math Unit 11

Study Guide

Unit 11: Time

Chapter 1- Examples of test questions:

• Know time to the one-minute interval.  Remember a.m./p.m. in the answers!
• Clock face shown.  What time is it?
• 40 minutes after midnight is _____?
• What time is 56 min after 9:45 p.m.?
• 5 hours after 7:17 p.m. is ____.
• Solve problems involving time intervals without as well as with a clock face.
• Two clock faces shown.  How long is it from clock A to clock B? ___h ___ min
• How many minutes are there from 8:15 a.m. to 10:03 a.m.?
• What time is 50 min before 1:04 a.m.?
• How long is it from 3:53 a.m. to 4:21 a.m.? ______
• How many hours are there from 7:50 p.m to 9:50 a.m.? _______
• Write in minutes:
• 9 h = ____ min
• 4 h 18 min = ____ min
• Write in hours and minutes:
• 72 min = _____ h ____ min
• 652 min = _____ h ____ min
• Add and subtract time in compound units.
• 3 h 21 min + 8 h 18 min = _____ h ____ min
• 8 h 18 min – 7 h 41 min = _____ h ____ min
• Evan went to the bus stop at 7:45 a.m.  He boarded the bus at 8:13 a.m.  How long did he wait at the bus stop?  _____ h ____ min
• School started at 8:40 a.m. and students went to lunch 2 h 45 min later.  At what time did the students go to lunch?
• Elliot took 3 h 5 min to ride her bike.  She finished biking at 2:10 p.m.  At what time did she start biking?
• Natalia started cooking dinner at 4:35 p.m.  She finished dinner at 5:08 p.m.  How long did she take to cook dinner?  _____ h ____ min
• Mark took 57 minutes to cook the same meal.  How much longer did he take to cook the meal?
• Lensa reads a book to her brother in 43 minutes.
• She takes 1 h 45 min more to read her literature book.  How long does she take to read her literature book?

Chapter 2- Examples of test questions:

• Minutes to seconds
• Write 7 minutes in seconds
• Write 8 mim 54 sec in seconds
• Write 843 s in minutes and seconds
• Years to months
• Write 7 years in months
• Write 81 months in years and months. ____ years _____ months
• Write 4 years 8 months in months.  _____ months
• Weeks to days
• 8 weeks 6 days = ____days
• 631 days = ___ weeks _____ days
• Add or subtract time in minutes and seconds.  The process is the same as for adding or subtracting time in hours and minutes.
• Maura studies for 18 days.  Clara studies for 2 weeks 6 days.  Who studied longer?
• Nebyu was in Nova’s Elementary School for 3 years 6 months.  He was in Nova’s Upper School for 6 years 9 months.  How long was he at Nova?  ____ years _____ months
• Nova’s contractor took 12 months to build the ground level of their new building.  It took 11 months to complete the second level.  It took 7 months to complete the third level.
• How much longer did it take to complete the second level than the third level?
• How long did it take to complete the building?  _____ years _____ months
• The secretary completed the project after 4 weeks 13 days.  He was given 28 days to complete the project.  How many more days did he take to complete the project?
• The table shows how long it took the student to run the track.  How long did the student take to run all the races?  ____ min ______ sec
 Race Time Race 1 41 sec Race 2 8 sec Race 3 56 sec Race 4 13 sec

Unit 11 Cumulative Test:

• Review all of Units 1 - 11