Today we will review “Money, Time, Temperature” CONFIDENTIAL
Let’s Warm up 1) 1feet = 12 in 2) 1 kg = 1,000 g 3) 100 cm = 1 m 4) 1 quart = 2 pints CONFIDENTIAL
Count Money Penny Nickel 1 penny, 1 cent, or 1¢ Count by one to count pennies. 1 cent, 2 cents, 3 cents, 4 cents and so on. Nickel 1 nickel, 5 cents, or 5¢ Count by fives to count nickels. 5 cents, 10 cents, 15 cents, 20 cents and so on. 5 pennies = 1 nickel 1 cent + 1 cent + 1 cent + 1 cent + 1 cent = 5 cents or 1 nickel. CONFIDENTIAL
Count Money Dime 1 dime, 10 cents, or 10¢ Count by tens to count dimes. 10 cents, 20 cents, 30 cents, 40 cents and so on. 10 pennies = 1 dime 1 cent + 1 cent + 1 cent + 1 cent + 1 cent + 1 cent + 1 cent + 1 cent + 1 cent + 1 cent = 10 cents or 1 dime. 2 nickels = 1 dime. 5 cents + 5 cents = 10 cents or one dime. CONFIDENTIAL
Count Money Quarter 1 quarter, 25 cents, or 25¢ Count by 25 to count quarters. 25 cents, 50 cents, 75 cents, $1.00 and so on. 25 pennies = 1 quarter 5 nickels = 1 quarter 2 dimes and 1 nickel = 1 quarter CONFIDENTIAL
Count Money Dollar Bill 1 Dollar 100 cents, or 100¢ Count by 100 to count dollars. $1.00, $2.00, $3.00 and so on. 4 quarters = 1 Dollar 20 nickels = 1 Dollar 10 dimes = 1 Dollar CONFIDENTIAL
Try This! Write the amount of money shown $1.56 CONFIDENTIAL
Make Change Count up to find the exact change Example: Price $7.67; Amount given $10.00 Start at $7.67. Count up to $10.00 $7.68 $7.69 $7.70 $7.75 $8.00 $9.00 $10.00 To check the change count the bills and coins from the greatest to least value $1.00 $2.00 $2.25 $2.30 $2.31 $2.32 $2.33 So you should receive $2.33 as change CONFIDENTIAL
Try This! Find the amount of change. Price: $0.56 Amount given: $1.00 $0.44 CONFIDENTIAL
Compare and Order Money Amounts You can use a place value chart to compare money amounts. Start at left. Look for the first place where the digits are different. Example: Compare $306.97 and $319.23 The amount $319.23 has more ten dollars than $306.97 So, $319.23 > $306.97 Hundred Dollars Ten Dollars One Dollar Cents 3 6 97 1 9 23 Same different CONFIDENTIAL
Try This! Use place value chart to compare the amounts. Write >, <, or =. Compare $542.75 and $547.25 < CONFIDENTIAL
Compare and Order Money Amounts You can also compare and order the same way you do for whole numbers Step 1: Line up the decimal points. Compare the three amounts. Step 2: Compare the remaining two amounts. Step 3: Write the money amounts in order from least to greatest. Example: Compare and order from least to greatest: $7.13, $6.95, $6.89 Step 1: $7.13 $6.95 $6.89 7>6, so $7.13 is the greatest number. Step 2: 8<9, so $6.89 is less than $6.95 Step 3: CONFIDENTIAL
Try This! Order from greatest to least: $0.98, $0.86, $0.99 $0.99, $0.98, $0.86 CONFIDENTIAL
Round Money You round money the same way you do with whole numbers Step 1: Find the digit in the dollars place. Step 2: Look at the place to the right of the dollars place. Step 3: If the digit is less than 5, round down. If the digit is 5 or greater, round up. Example: Round $7.13, $6.89, $6.95 Step 1: $7.13 $6.89 $6.95 Step 2: Step 3: $7.13 $7.00 $6.89 $7.00 $6.95 $7.00 CONFIDENTIAL
Try This! Round $674 to the nearest ten $670 CONFIDENTIAL
Tell Time A.M. A name for time between 12:00 midnight and 12:00 noon. On school days you might wake up at 7:00 A.M. P.M. A name for time between 12:00 noon and 12:00 midnight. Many people eat dinner at 6:00 P.M. CONFIDENTIAL
Tell Time 9:15 A.M. Nine-fifteen in the morning, or Quarter after nine, or Fifteen minutes after nine 4:25 P.M. Four twenty-five in the afternoon, or 25 minutes after 4 CONFIDENTIAL
Tell Time 15 minutes (min) = ¼ hour (1/4 h) or 1 quarter hour 2 quarter hours 45 minutes (min) = ¾ hour (3/4 h) or 3 quarter hours 60 minutes (min) = 1 hour (1 h) or 4 quarter hours Time Facts 60 seconds = 1 minute 90 minutes = 1 ½ hours 180 minutes = 3 hours CONFIDENTIAL
Try This! 1 and 1 half hours = 90 minutes CONFIDENTIAL
Elapsed Time Elapsed Time: The amount of time that passes from the start to the end of an activity. Example: How much time has elapsed between 8:20 A.M. and 11:35 A.M.? Step 1: First count the number of hours From 8:20 to 11:20 is 3 hours CONFIDENTIAL
Elapsed Time Step 2: Then count the number of minutes From 11:20 to 11:35 is 15 minutes So, 3 hours 15 minutes has passed CONFIDENTIAL
Try This! How much time has passed? Begin: 6:15 A.M. End: 10:00 A.M. 3 h 45 min CONFIDENTIAL
Calendar Ordinal Number: A number used to tell order or position They are used to say a date Such as 1st, 7th, and 19th, of first, seventh, and nineteenth June 26 can also be called the 26th of June, or the twenty-sixth You can use a calendar to find the elapsed time Suppose today is May 8. How many days is it until Mother’s Day? Count on from May 8 to May 14. It is six days from May 8 to May 14. May 2000 S M T W F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Mother’s day 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 CONFIDENTIAL
Try This! Gene’s family leaves for vacation on June 26! They go home 12 days later. What day does his family return? The vacation will end on July 7. CONFIDENTIAL
Years Counting with Years A year has 12 months (January, February, March, April, May, June, July, August, September, October, November, December) A year is 365 days. A decade is 10 years. A century is 100 years. A millennium is 1,000 years. CONFIDENTIAL
Temperature, Changes and Negative Numbers Temperature: A measurement that tells how hot or cold something is. When the temperature rises, I wear lighter clothing Two scales for measuring temperature: Degrees Celsius: A unit for measuring temperature. The temperature in the snow is 00 Celsius Degrees Fahrenheit: A unit for measuring temperature. The temperature in the swimming pool is 780 Fahrenheit CONFIDENTIAL
Temperature, Changes and Negative Numbers Celsius Thermometer Fahrenheit Thermometer 1000C 2100F 100 100 Water Boils 210 80 80 190 60 60 370C 98.40F 170 40 Normal Body temperature 40 110 20 20 70 10 10 50 00C 320F Water Freezes 30 -10 -10 -20 CONFIDENTIAL
Temperature, Changes and Negative Numbers Temperatures can be below 00F or 00C. These are negative temperatures. You read 20 degrees below zero as - 200F. What is the temperature change from 150F to -50F? Step 1:Find the change in temperature from 150F to 00F . The change is 150. Step 2: Find the change in temperature from 00F to -50F. The change is 50. Step 3: Add the 2 changes. 150 + 50=200. CONFIDENTIAL
Try This! The temperature is 640F during the daytime. It drops 120 degrees during the night. What is the temperature then? 520 F CONFIDENTIAL
Let us take a break! CONFIDENTIAL
Let us see how fast you are on this one! Game Let us see how fast you are on this one! Click me CONFIDENTIAL
Assessment Tell which coins and bills make the amount $0.49 answers may vary Find the amount of change. Price: $0.79 Amount given:$1.00 $0.21 Order from least to greatest: $123.78; $96.21; $131.09 $96.21, $123.78, $131.09 Round $0.86 to the nearest ten cents. $0.80 Tell how much time: 240 minutes = __ hours 4 CONFIDENTIAL
Assessment How much time has passed? 4 h 31 min Begin: 10:25 A.M. End:2:56 P.M. How much time has passed? July 31 Start date: July 9 Elapsed time: 22 days End date: ___ Choose the best estimate. To make a snowman 300F or 300C 300F To swim in the ocean 270F or 270C 270C CONFIDENTIAL
Good Job! You have learned a lot today!!! CONFIDENTIAL