# Khan/khan-exercises

used <code> tags for hour and minute numbers in hints

1 parent 073da29 commit 7ef3280620dead8bd9f78d4896d6e8420ec69e35 stephjang committed Jan 1, 2012
Showing with 7 additions and 7 deletions.
1. +7 −7 exercises/telling_time_interactive.html
 @@ -1,5 +1,5 @@ - + Setting time @@ -231,28 +231,28 @@
-

The number before the \Large{:} symbol represents the number of minutes past the hour. So TIME represents MINUTE minutes past hour HOUR.

+

The number after the \Large{:} symbol represents the number of minutes past the hour. So TIME represents MINUTE minutes past hour HOUR.

First, let's set the minute hand.

-

Each long tick mark is also an increment of 5 minutes, because 60 minutes / 12 tick marks = 5 minutes per tick mark.

-

Since we are MINUTE minutes past the hour, and there are 5 minutes per tick mark, the minute hand should be at the mark numbered fraction(MINUTE, 5) = MINUTE/5. +

Each long tick mark is an increment of 5 minutes, because 60 minutes / 12 tick marks = 5 minutes per tick mark.

+

Since we are MINUTE minutes past the hour, and there are 5 minutes per tick mark, the minute hand should be at the mark numbered fraction(MINUTE, 5) = MINUTE/5.

Next, let's set the hour hand.

The 12 long tick marks correspond to the hours in the day (assuming AM/PM time).

-

If it is zero minutes, the hour hand belongs directly on the corresponding hour mark. However, for any other number of minutes, the hour hand should be proportionally past the hour mark.

+

If it is 0 minutes, the hour hand belongs directly on the corresponding hour mark. However, for any other number of minutes, the hour hand should be proportionally past the hour mark.

- Since it's HOUR hourplural(HOUR) and 0 minutes, the hour hand should be right on the HOUR hour mark. + Since it's HOUR hourplural(HOUR) and 0 minutes, the hour hand should be right on the HOUR hour mark.

- Since it's HOUR hourplural(HOUR) and MINUTE minutes, the hour hand should be fraction(MINUTE, 60) = fraction(MINUTE, 60, false, true) of the way past the HOUR hour mark. + Since it's HOUR hourplural(HOUR) and MINUTE minutes, the hour hand should be fraction(MINUTE, 60) = fraction(MINUTE, 60, false, true) of the way past the HOUR hour mark.