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025_G3U16_G4U4_˙—» ¿º 2011.3.22 9:14 PM ˘ ` 150 PDF_In 2540DPI 150LPI T

Activity 2 Elapsed time

1 . Find how much time has passed. 1 hour = 60 minutes
half hour = 30 minutes
1 minute = 60 seconds

Start Finish 5 When the minute hand points to 1,

11 12 1 it shows that 5 minutes have passed.
10 2 11 12 1 10 When the minute hand points to 2,
93 10 2
9 3 15 it shows that 10 minutes have passed.

84 84 When the minute hand goes around
765 once, it shows that 1 hour has passed.
765 20 When the minute hand goes around
twice, it shows that 2 hours have passed.
20 minutes

a. Start Finish Count by fives.

11 12 1 11 12 1 5
10 2 10 2 10
93 93
84 84

765 765

2 15 P.M. 2 50 P.M.

b. Start Finish

11 12 1 11 12 1
10 2
93 5 10 2
84 9 3

765 84
765
10 45 A.M.
11 15 A.M.

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