Page 14 - Time

27. 28. 29. 30.
START: END: START: END:

27. 28. 29. 30.
END:
START: 27. 27. START: 28. 28. END: 29. 29. 30. 30.
3. How many activities can you think of that will take about one START: END:
END:
START:
END:
END:
START:
START:
second to complete? Make a list.
Here are three examples to get you going: switching on a light;
32.
31. snapping your fingers once; sneezing. 33. 34. 35.
34.
33.
31. 4. As a class, think of three activities that will take less than a 35.
32.
minute to complete. Estimate how many seconds it will take a
classmate to do each of the three activities. Let a classmate do 33. 33. 34. 34. 35. 35.
31.
32.
31.
32.
each activity while the teacher times him or her with a watch
or stopwatch. How close were your estimates?
37.
36.
37.
36. Many 12-hour and 24-hour clocks 38. 38. 39. 39.
show seconds too.
These clocks both show 40 seconds 37. 37. 38. 38. 39. 39.
36.
36.
past 7 o’clock in the evening.
40. 41. 42. 43. 44.
5. Match the times on the 24-hour clocks with the times given 43. 44.
42.
40.
41.
in words below:
45. A B C
45. 40. 40. 41. 41. 42. 42. 43. 43. 44. 44.

(a) 12 minutes and 5 seconds after midnight
45.
45.
(b) 12 minutes and 5 seconds after midday
(c) 20 minutes and 30 seconds before 6 p.m.

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