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