PPT-Roman Numerals and the 24 Hour Clock

Arabic to Roman Numerals 1 21 2 38 3 550 4 6 5 219 6 66 Roman Numerals to Arabic 7 XXVIII 8 CCCXLII 9 XXXIX . Y 5 Number and Place Value Roman Numerals Equipment Paper, pencil, ruler MathSphere The long hand is the minute hand.. The short hand is the hour hand.. Meet the Hands of the Clock. “Minute” is a . long. word. So, the minute hand is a long hand.. minute. “Hour” is a . short. Triads. Kostka. /Payne – Chapter 4. Introduction. Most chords in tonal music are made up only of notes from the scale on which the passage is based. That is, if a passage is in G major, most of the chords contain only notes found in the G major scale.. By Marissa Segreto, Sara Popow,. Merilee Robinson. Find the measure of the smaller angle between the hands of a clock at 8:16 am. (Note: in degrees not radians). Take a . minute . to think about it.... ROMAN NUMERALS. What are Roman Numerals?. Basically, Roman numerals are letters that stand for numbers. Each letter used in Roman Numerals has a specific number value.. What are the letters’ values?. Lesson 3. What are Roman numerals?. There are 7 Roman numerals.. I = 1. V = . 5. X = 10. L = 50. C = 100. D = 500. M = 1,000. How do Roman numerals work?. To add, place one or more numerals of equal or lesser value after a numeral.. A Brief History of Roman Numerals. . Roman numerals originated in ancient Rome. This ancient counting system is believed to have started with the ancient Etruscans. . The symbol for . one. in the roman numeral system probably represented a single tally mark which people would notch into wood or dirt to keep track of items or events they were counting. It would also be easy to write on a wax tablet.. 16. th. . March 2016. By the end of today’s lesson…. You will be able to:. Read the Roman numerals for numbers 1-12.. Write a numbers 1-12 using Roman numerals.. Tell the time from an analogue Roman numeral clock.. Egyptian Numerals. The system of ancient Egyptian numerals was used in Ancient Egypt in around 3000 BC. It was a system of numeration based on the scale of ten, written in hieroglyphs. To write a number, Egyptians wrote their symbols in order from largest to smallest, either in one long line or grouped together. Key symbols: I, V, X, L, C, D, . M. Arabic. 1. 2. 3. 4. 5. 6. 7. 8. 9. Roman. I. II. III. IV. V. VI. VII. VIII. IX. Arabic. 10. 20. 30. 40. 50. 100. 500. 1000. Roman. X. XX. XXX. XL. L. C. D. M. Any number can be formed. 00. On a 24 hour clock, once we get past 1pm we add 12 hours on to the time shown on the clock face.. 24 Hour Digital Clocks. 1. 2. 1. 5. 24 hour digital clocks also have an hour and minute display, separated by a colon.. First, a quick practice of writing times…. Write down four events and their times using 12-hour format: one in the morning, one in the afternoon, one in the evening and one at night.. Then convert each time to 24-hour format, e.g. teatime is quarter past 4pm so it is 16:15.. times does the digit 5 appear?. STARTER:. Investigate on a 12 hour digital clock, over 12 hours, how many. times does the digit 5 appear?. 144 times.. During the hour of 5am or 5pm there are 67 in total.. . BBC Super movers. Sing and dance along to Telling the Time. https://www.bbc.co.uk/teach/supermovers/ks1-maths-telling-the-time/zk4t8xs. A clock face is a circle. . Half Past Times. In one hour, the minute hand travels all the way around the circle. .