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Encapsulate
math
TIME AND TEMPERATURE

Time Temperature
Relationship between units of time The temperature is the °C 100 100°C = 212°F °F
measure of how hot or 240
230
• 1 minute = 60 seconds cold an object is. 90 220
210
80
200
190
• 1 hour = 60 minutes 70 180
60 170
160
• 1 day = 24 hours 50 150
140
130
40 120
• 1 week = 7 days 30 110
100
90
20 80
• 1 month = 30 or 31 days 70
10 60
50
• 1 year = 365 or 366 days (leap year) 0 0°C = 32°F 40 30
–10 Freezing Point 20
• 1 year = 12 months –20 of Water –10 10 0
–30 –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

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