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E:\Working\Focus_Learning\Math_Genius_5_(05-10-2023)\Open_Files\CHAP_09
\\November 23, 2023 10:50 AM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

Encapsulate
math
tIMe ANd teMPerAtUre

time temperature
24-hour Clock relationship between units The temperature °C 100 100°C = 212°F °F
of time is the measure of 240
230
2400 hours how hot or cold 90 220
210
or • 1 minute = 60 seconds 80 200
2300 hours 0000 hours 0100 hours an object is. 190
2200 hours 11 12 1 0200 hours • 1 hour = 60 minutes 70 180
2100 hours 10 midnight 2 0300 hours 60 170
160
9 3 • 1 day = 24 hours
2000 hours 8 4 0400 hours 50 150
140
1900 hours 7 5 0500 hours • 1 week = 7 days 40 130
120
110
1800 hours 6 p.m. a.m. 6 0600 hours • 1 month = 30 or 31 days 30 100
90
1700 hours 5 7 0700 hours 20 80
4 8 10 70
1600 hours 0800 hours 60
3 9 • 1 year = 365 or 366 days 50
1500 hours 2 noon 10 0900 hours 0 0°C = 32°F 40
1400 hours 1 12 11 1000 hours (leap year) –10 30
20
1300 hours 1100 hours Freezing Point 10
1200 hours –20 of Water 0
• 1 year = 12 months –30 –10
–20
Celsius Fahrenheit
Conversion of Units of time Conversion of temperature
Conversion of Units of Time Multiply (×) °Celsius to °Fahrenheit
9
×7 ×24 ×60 ×60 Bigger Smaller F = C × + 32
5
Weeks Days Hours Minutes Seconds unit unit °Fahrenheit to °Celsius
5
÷7 ÷24 ÷60 ÷60 C = (F – 32) ×
Divide (÷) 9
Operations of Units of times

Addition Subtraction Multiplication division
1 day
Days hours minutes
5 6 16 25
– 5
1 day
× 24
h min s 24 hours + 16 hours
h min = 40 hours
5 hours 25 minutes 7 60 1 1
+ 6 hours 45 minutes – 6 25 2 15 20 8 hours
12 hours 10 minutes 1 35 × 4 5 40 hours
9 01 20 – 40
0 hours 25 minutes
= 25 minutes
5 minutes
5 25 minutes
– 25
0 minutes

198 Mathematics-5