MATHS WEEK 4 LESSON 1 Duration of time







- Slides: 7
MATHS WEEK 4 LESSON 1 Duration of time
My favourite TV show starts at 9. 15 am and ends at 9. 30 am. How long is it on for? This question is asking us about duration of time. How long something lasts for. We can use a timeline to help us. The TV show lasts 15 minutes How many minutes from 15 to 30? +15 minutes Start 9. 15 am Put both your start and end times on the timeline End 9. 30 am Both times are within the same hour. We don’t cross over into another hour so we just need to count the minutes
I go on a run at 10. 12 am. I get back at 10. 45 am. For how long did I run for? My run lasted for 33 minutes How many minutes from 12 to 45? +33 minutes Start 10. 12 am Put both your start and end times on the timeline End 10. 45 am Both times are within the same hour. We don’t cross over into another hour so we just need to count the minutes
Tom goes to play football at 14: 20 and finishes at 14: 55. How long did football last? Football lasted 35 minutes How many minutes from 20 to 55? +35 minutes Start 14: 20 Put both your start and end times on the timeline End 14: 55 Both times are within the same hour. We don’t cross over into another hour so we just need to count the minutes
Reading starts at 9. 45 and ends at 10. 20. For how long does reading last? We’ve made a jump of 15 minutes and a jump of 20 minutes. 15 + 20 = 35 Reading lasts 35 minutes + 20 minutes + 15 minutes Start 9. 45 10. 00 Put both your start and end times on the timeline End 10. 20 This time our start and end times cross over the hour mark so I am going to make 2 jumps. I to the next hour and one to get to the end.
Yoga starts at 15: 35 and ends at 16: 25. For how long does it last for? We’ve made a jump of 25 minutes and a jump of 10 minutes. 25 + 25 = 50 Yoga lasts 50 minutes + 25 minutes Start 15: 35 16: 00 Put both your start and end times on the timeline End 16: 25 This time our start and end times cross over the hour mark so I am going to make 2 jumps. I to the next hour and one to get to the end.
The TV programme started at 19: 30 and ended at 20: 45. For how long was it on for? We’ve made a jump of 30 minutes and a jump of 45 minutes. 30 + 45 = 75 minutes The TV programme lasted 75 minutes + 45 minutes + 30 minutes Start 19: 30 20: 00 Put both your start and end times on the timeline End 20: 45 This time our start and end times cross over the hour mark so I am going to make 2 jumps. I to the next hour and one to get to the end.