Slide 1 / 87 Slide 2 / 87 3rd Grade Time, Volume & Mass 2015-10-22 www.njctl.org Slide 3 / 87 Table of Contents click on the topic to go to that section · Hour and Half Hour · Quarter Hour, 5 Minute and 1 Minute · Elapsed Time · AM & PM · Measure and Estimate Liquid Volumes · Volume Word Problems · Measure and Estimate Mass · Mass Word Problems
Slide 4 / 87 Hour and Half Hour Return to Table of Contents Slide 5 / 87 Telling Time What do you know about telling time? Slide 6 / 87 Telling Time What do you know about telling time? What does the hour hand (little) tell you? What does the minute hand (big) tell you? How much time goes by each time you get to the next number?
Slide 7 / 87 Telling Time Put the numbers in the appropriate place. 6 2 9 1 3 4 12 8 5 11 10 7 Slide 8 / 87 Telling Time 12 12 11 1 11 1 2 10 2 10 3 9 9 3 4 8 4 8 7 5 7 5 6 6 What time is it? Write your answers in the box. Then pull down the shade to see if you are correct. : : : : 7 30 8 00 Slide 9 / 87 Telling Time Pull down the shade to find a time. Move the hands on the clocks to the match the time in each box. 9:30 7:00
Slide 10 / 87 Telling Time Draw the hour and minute hands on the clocks to match the time. 12 12 11 1 11 1 2 10 2 10 9 3 9 3 8 4 8 4 5 7 7 5 6 6 12:00 2:30 12 12 11 1 11 1 2 10 2 10 9 3 9 3 8 4 4 8 7 5 7 5 6 6 5:00 8:30 Slide 11 / 87 1 The clock shows 10:00. True False Slide 11 (Answer) / 87 1 The clock shows 10:00. True False Answer False [This object is a pull tab]
Slide 12 / 87 2 Can the minute hand can go all the way up to 100? Yes No Slide 12 (Answer) / 87 2 Can the minute hand can go all the way up to 100? Yes No Answer No [This object is a pull tab] Slide 13 / 87
Slide 13 (Answer) / 87 Slide 14 / 87 4 How many minutes does the 6 represent on the clock? Slide 14 (Answer) / 87 4 How many minutes does the 6 represent on the clock? Answer 30 [This object is a pull tab]
Slide 15 / 87 5 Where should you put the hour hand when showing the time 7:30? A on the number 7 B between the numbers 6 and 7 C on the number 6 D between the numbers 7 and 8 Slide 15 (Answer) / 87 5 Where should you put the hour hand when showing the time 7:30? A on the number 7 B between the numbers 6 and 7 C on the number 6 Answer D between the numbers 7 and 8 D [This object is a pull tab] Slide 16 / 87 Quarter Hour, 5 Minutes and 1 Minute Return to Table of Contents
Slide 17 / 87 5 Minutes When the minute hand moves from one number to the next, 5 minutes pass. Slide 18 / 87 Quarter Hour When the minute hand moves from across 3 numbers, 15 minutes pass. Slide 19 / 87 One Minute When the minute hand moves from one mark to the next, 1 minute passes.
Slide 20 / 87 Quarter Hour, 5 Minutes and One Minute Click on the button to play a telling time game. Slide 21 / 87 6 What time does this clock show? A 2:10 B 1:10 C 1:50 D 2:50 Slide 21 (Answer) / 87 What time does this clock show? 6 A 2:10 B 1:10 C 1:50 D 2:50 Answer D [This object is a pull tab]
Slide 22 / 87 7 What time is shown on the clock? A 6:57 B 11:06 C 6:00 D 11:30 Slide 22 (Answer) / 87 7 What time is shown on the clock? A 6:57 B 11:06 C 6:00 D 11:30 Answer D [This object is a pull tab] Slide 23 / 87 What time is shown on the clock? 8 A 10:60 B 11:53 C 12:13 D 12:53
Slide 23 (Answer) / 87 8 What time is shown on the clock? A 10:60 B 11:53 C 12:13 D 12:53 Answer B [This object is a pull tab] Slide 24 / 87 9 Does the clock show 12:45? Yes No Slide 24 (Answer) / 87 9 Does the clock show 12:45? Yes No Answer Yes [This object is a pull tab]
Slide 25 / 87 10 Does this clock show 10:10? Yes No Slide 25 (Answer) / 87 10 Does this clock show 10:10? Yes No Answer NO [This object is a pull tab] Slide 26 / 87 Elapsed Time Return to Table of Contents
Slide 27 / 87 Elapsed Time The time it takes for an activity to start to the time the activity ends is called elapsed time. Slide 28 / 87 Elapsed Time An example of elapsed time is given below. Amy needs an hour and 15 minutes to drive from her house to her grandmother's house. If she leaves at 1:00, what time will she reach her grandmother's house? Read the next page for a suggestion on how to solve this problem. Slide 29 / 87 Elapsed Time Use a clock Set the first clock for 1:00. Use it again to add an hour and 15 minutes. Check yourself by using the digital clock. Set the second clock to 1:00 by using the arrows under the clock. Then see what time you have after adding an hour and 15 minutes.
Slide 30 / 87 Elapsed Time Not all elapsed time problems have you add time. Some might need you to subtract time. As in this example: The paper says your favorite movie ends at 4:45. You know that the movie is 2 hours and 15 minutes long. What time will the movie start? Read the next page for a suggestion on how to solve this problem. Slide 31 / 87 Elapsed Time Use a number line (or a ruler) Find 4:45 on the number line. 1 hour 1 hour 15 minutes 4:45 ? Use the ruler to subtract 2 hours and 15 minutes. What time is it? Slide 32 / 87 Elapsed Time Hour Die 1. Tap this die to give you your starting time. 2. Press the start and stop to flip the coin. Heads means to add the hour and minutes Minute Die on the dice to the right. Tails means to subtract.
Slide 33 / 87 Elapsed Time Click the clock to play an elapsed time game. Slide 34 / 87 11 3:00 is three hours later than noon. True False Slide 34 (Answer) / 87 11 3:00 is three hours later than noon. True False Answer True [This object is a pull tab]
Slide 35 / 87 12 JoAnn has to be home by 5:00. Her friend that lives next door wants her to watch a video that is 30 minutes long. If it is 4:15 now, does JoAnn have enough time? Yes No Slide 35 (Answer) / 87 12 JoAnn has to be home by 5:00. Her friend that lives next door wants her to watch a video that is 30 minutes long. If it is 4:15 now, does JoAnn have enough time? Yes No Answer Yes [This object is a pull tab] Slide 36 / 87 13 Lynda read her book for 20 minutes. If she started reading at 4:52. What time did she finish reading? A 4:72 B 4:12 C 4:32 D 5:12
Slide 36 (Answer) / 87 13 Lynda read her book for 20 minutes. If she started reading at 4:52. What time did she finish reading? A 4:72 B 4:12 C 4:32 Answer D D 5:12 [This object is a pull tab] Slide 37 / 87 14 How many minutes pass from 1:10 to 2:00? Slide 37 (Answer) / 87 14 How many minutes pass from 1:10 to 2:00? Answer 50 [This object is a pull tab]
Slide 38 / 87 15 If Nick needs 25 minutes to do his homework and his mom will check it at 6:00, what time should he start? A 5:30 B 5:35 C 6:25 D 6:35 Slide 38 (Answer) / 87 15 If Nick needs 25 minutes to do his homework and his mom will check it at 6:00, what time should he start? A 5:30 B 5:35 C 6:25 Answer D 6:35 B [This object is a pull tab] Slide 39 / 87 16 Ana starts eating lunch at 12:15 p.m. She finishes eating lunch 40 minutes later. Which clock shows the time that Ana finishes eating lunch? Select the correct answer. C A B D From PARCC EOY sample test non-calculator #5
Slide 39 (Answer) / 87 16 Ana starts eating lunch at 12:15 p.m. She finishes eating lunch 40 minutes later. Which clock shows the time that Ana finishes eating lunch? Select the correct answer. Answer C A B [This object is a pull tab] B D From PARCC EOY sample test non-calculator #5 Slide 40 / 87 AM and PM Return to Table of Contents Slide 41 / 87 AM and PM There are 24 hours in a day. The 12 hours following midnight need an AM following the time and the other 12 hours that follow noon need a PM. What time is midnight? ...noon? Here are some examples... Elizabeth is going for a hike in the morning at 7:00. How should she write the time? Keith's soccer game is after school at 3:00. How should he write the time?
Slide 42 / 87 AM and PM Sometimes an event starts in the AM and ends in the PM. As in this example... We leave for lunch at 11:22 and return to the classroom at 12:49. How would we write both of these times? Can you give an example of the opposite? Meaning an event that starts in the PM and ends in the AM. Slide 43 / 87 AM and PM Tap on the clock to play a AM/PM game. Slide 44 / 87 17 Midnight and noon are the same thing. True False
Slide 44 (Answer) / 87 17 Midnight and noon are the same thing. True False Answer False [This object is a pull tab] Slide 45 / 87 18 What time is dance class after school? A 11:00 AM B 1:00 PM C 5:30 PM D 10:15 PM Slide 45 (Answer) / 87 18 What time is dance class after school? A 11:00 AM B 1:00 PM C 5:30 PM D 10:15 PM Answer C [This object is a pull tab]
Slide 46 / 87 19 What time did the thunderstorm wake you up at in the middle of the night? A 3:10 pm B 7:25 pm C 10:00 am D 1:30 am Slide 46 (Answer) / 87 19 What time did the thunderstorm wake you up at in the middle of the night? A 3:10 pm B 7:25 pm C 10:00 am Answer D 1:30 am D [This object is a pull tab] Slide 47 / 87 20 Is midnight 12:00 pm? Yes No
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