After 60 minutes, the clock advances one hour and the minutes start again. Can you tell what the base is?Ĭlocks rely on a base 60 system. But with clocks there is a different number system at work. When we count from 1 to 10, we are using the base 10 system. Why are minutes and hours different? Why are minutes counted from 1 to 60? Why are hours counted from 1 to 12? We are so accustomed to counting objects from 1-10 and in multiples of 10. Why Are Hours Measured From 1-12 Not 1-10? Here are some sample times using the minute hand. The minute hand varies in value from 0 to 60. The minute hand is the longer of the two clock hands. Here are some sample times using the hour hand. The hour hand varies in value from 1 to 12. It is the shorter of the two clock hands and looks like this. There are additional tic marks between the main numbers.Look at the arrangement of numbers on the clock face. When you look at a clock, you can read the hour and the minutes. This pattern repeats for every hour and minute. The hour hand points to 1 and the minute hand points to 12.
The hour hand is closer to 1 and the minute hand points to 9. The hour hand is between 12 and 1, and the minute hand points to 6. The hour hand is a bit past 12 and the minute hand points to 3.
Both the hour and minute hands point to 12. Telling time involves reading both the hour and minute hand.
Here is a tour of times around the clock in 5-minute increments. Here is a tour of times around the clock using the hour hand.
0 kommentar(er)
