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Time. Distance. Equivalencies. Conversions. Equivalencies. Conversions. Songs. + Mixed Units. Songs. + Mixed Units. - Mixed Units. - Mixed Units. Capacity. Weight. Equivalencies. Conversions. Equivalencies. Conversions. Songs. + Mixed Units. Songs. + Mixed Units.
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Time Distance Equivalencies Conversions Equivalencies Conversions Songs + Mixed Units Songs + Mixed Units - Mixed Units - Mixed Units Capacity Weight Equivalencies Conversions Equivalencies Conversions Songs + Mixed Units Songs + Mixed Units - Mixed Units - Mixed Units • Back to the WEB
60 seconds = 1 minute 60 minutes = 1 hour 24 hours = 1 day 7 days = 1 week About 4 weeks = 1 month 12 months = 1 year About 365 days = 1 year
Time Conversions To the tune of “Glory, Glory, Halleluiah” 60 seconds equals one minute 60 minutes equals one hour 24 hours equals one day 7 days makes one whole week.
Time To the tune of “Glory, Glory, Halleluiah” 4 weeks’s about one month 12 months equals one year 365 days is one year And so is 52 weeks. Ashley, Amber, & Amanda 2003/2004
If converting to a smaller unit, you will have more of them so multiply by the conversion rate. If converting to a larger unit, you will have less of them so divide by the conversion rate.
Think larger to smaller - multiply! 4 hours = _____ minutes 240 x 60
Think smaller to larger - divide! 48 hours = _____ days 2 ÷ 24
Think larger to smaller - multiply! 9 minutes = _____ seconds 540 x 60
Think smaller to larger - divide! 60 months = _____ years 5 ÷ 12
If mixed units, add after multiplying. 390 6 hours, 30 min. = _____ min. X 60 + 30 extra min.
Sometimes there is a remainder. It can be treated two ways. 1 1/2 90 minutes = _____ hours 1 30 90 minutes = ____ hrs.____min.
Divide. Treat the remainder as a fraction, decimal, or a remainder. 3 3 24 days = _______ weeks 7 3 3 24 days = ____weeks ___ days
Divide. Treat the remainder as a fraction, decimal, or a remainder. 1 2 30 months = ______ years 2 2 6 30 months = __ years ___months
28 4 weeks = ___ days 24 minutes = ___ seconds 1440 3 180 seconds = ___ minutes 1 1/2 18 months = _____ years 4 240 seconds = ___ minutes 14,400 240 minutes = _____ seconds 20 240 months = ___ years 60 5 years = ___ months
1 1/2 90 minutes = ___ hours 500 8 minutes, 20 seconds = ___ seconds 38 3 years, 2 months = ____ months 1/4 3 months = _____ years 3 months = about ____ weeks 12 150 2 ½ hours = _____ minutes 15 180 months = _____ years 600 10 minutes = _____ seconds
1 30 90 minutes = __ hours ___minutes 2 minutes = ___ seconds 120 5 years = ____ months 60 2 2 26 months = __ years __ months 5 4 64 months = __years ___ months 5 1/3 64 months = ________ years 15 6 186 months = __ years___ months 1 10 70 minutes = ___hours __ min.
1 40 100 minutes = __ hours ___minutes 68 minutes = __ hours ___ minutes 1 8 15 months = __ years ___ months 1 3 1 4 16 months = __ years __ months 2 10 34 months = __years ___ months 4 1/2 54 months = ________ years 1 6 18 months = __ years___ months 1 25 85 minutes = ___hours __ min.
Sometimes we need to convert twice. 2 days = _____ minutes 2880 x 24 hours per day x 60 minutes per hour
32,400 9 hours = _____ seconds 3600 seconds = ___ hours 1 3 decades = ____ months 360 9 1080 months = _____ decades
Self – Check • 72 months = _______ years • 30 min. = _______ seconds • 150 min = ____ hours _____ min. • 4 decades = ____ months • 150 min. = ______ hours • 2 days = ______ hours 6 1800 2 30 480 2 ½ 48
How is adding mixed customary units like adding mixed fractions? The smaller unit or units can not be improper with company. Ex. 90 minutes is okay; however, 1 hour and 90 minutes is not okay. It equals 2 hours and 30 minutes.
12 years 10 months +2 years 10 months 20 months 1 years 8 months Becomes 15 years 8 months
10 hours 50 minutes +2 hours 20 minutes 70 minutes 1 hour 10 minutes Becomes 13 hours 10 minutes
1 day 15 hours 34 minutes +2 days 10 hours 50 minutes 84 minutes 1 hour +24 minutes Becomes 26 hours 1 day + 2 hours Becomes 4 days 2 hours 24 minutes
10 hours 45 minutes 34 seconds +2 hours 17 minutes 10 seconds 44 seconds 62 minutes 1 hour + 2 minutes Becomes 13 hours 2 minutes 44 seconds
12 hours 42 minutes 54 seconds +2 hours 17 minutes 10 seconds 64 seconds 1 minute 4 seconds 60 minutes 1 hour 15 hours 4 seconds
How is subtracting mixed customary units like subtracting mixed fractions? If the top is smaller than the bottom, we have to borrow and rename. Ex. 20 minutes minus 30 minutes means we have to borrow an hour that equals an extra 60 minutes.
9 hours 90 minutes 10 hours 30 minutes - 5 hours 45 minutes 4 hours 45 minutes
23 hours 60 minutes 2 days 24 hours 3 days - 1 day 10 hours 39 minutes 1 day 13 hours 21 minutes
14 years 14 months 15 years 2 months - 5 years 5 months 9 years 9 months
89 minutes 60 seconds 9 hours 90 minutes 10 hours 30 minutes - 5 hours 45 minutes 15 seconds 4 hours 44 minutes 45 seconds
12 years 15 months 2 decades 13 years 3 decades 3 years 3 months - 1 decade 8 years 10 months 1 decade 4 years 5 months
Common Equivalencies *12 inches = 1 foot *3 feet = 1 yard 36 inches = 1 yard 5,280 feet = 1 mile 1,760 yards = 1 mile *need to know
Distance / Weight To the tune of “Hush Little Baby” 16 oz is one pound 2000 pounds is one ton 12 little inches equals one foot 3 feet equals a yard (REPEAT) Elise Mackert 2003/2004
Remember: If converting to a smaller unit, you will have more of them so multiply by the conversion rate. If converting to a larger unit, you will have less of them so divide by the conversion rate.
Larger to smaller – multiply. Smaller to larger - divide.
Think smaller to larger - divide! 48 inches = _____ feet 4 ÷ 12
Think larger to smaller - multiply! 3 feet = _____ inches 36 x 12
Think larger to smaller - multiply! 3 yards = _____ inches 108 (x 3 feet per yard x 12 inches per foot) or x 36
Think smaller to larger - divide! 48 feet = _____ yards 16 ÷ 3
Sometimes we need to convert twice. 72 inches = _____ yards 2 ÷ 12 inches in a foot then… ÷ 3 feet in a yard
324 9 yards = _____ inches 10 360 inches = ___ yards 108 3 yards = ____ inches 30 1080 inches = _____ yards
51 4 feet, 3 inches = ____ inches 24 inches = _____ yards 2/3 180 feet = ___ yards 60 1 1/2 18 inches = _____ feet 240 inches = ___ feet 20 24 feet = _____ inches 288 24 yards = ___ feet 72 5 feet = ___ yards ___ feet 1 2
2 miles = ____ feet 10,560 15 feet = _____ yards 5 180 inches = ___ yards 5 1/2 18 inches = _____ yards 240 feet = ___ yards 80 24 feet = _____ yards 8 24 yards = ____ feet 72 5 feet = _____ inches 60
How is adding mixed customary units like adding mixed fractions? The smaller unit or units can not be improper with company. Ex. 90 minutes is okay; however, 1 hour and 90 minutes is not okay. It equals 2 hours and 30 minutes.
5 feet = ___ yard(s) ___ feet 1 2 15 inches = ___ foot ___ inches 1 3 18 inches = ___ foot ___ inches 1 6 1 11 23 inches = ___ foot ___ inches 1 1 4 feet = ___ yard ___ foot 13 inches = ___ foot ___ inches 1 1 16 inches = ___ foot ___ inches 1 4 20 inches = ___ foot ___ inches 1 8
10 feet 11 inches +5 feet 5 inches 16 inches 1 foot 4 inches Becomes 16 feet 4 inches Since there is no mention of yards you may leave it 16 feet 4 inches or change to 5 yards 1 foot 4 inches
2 yards 2 feet 9 inches +2 yards 2 feet 5 inches 14 inches 1 foot + 2 inches Becomes 5 feet 1 yard + 2 feet Becomes 5 yards 2 feet 2 inches