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MATHEMATICS CLASS SIX LESSON 92  ( EGPS)
CHAPTER;TIME,SPEED AND TEMPERATURE

TOPIC; TIME

SUB- TOPIC; CONVERSION

Time is made of years, months, weeks, days hours minutes and seconds. 

•60minutes= 1 hour

•3600seconds= 1hour

•24hours= 1day

•7days= 1weeks

•4 weeks=1month

•12 months= 1 year 

 

How many seconds are in the following minutes?

 

(a) 1minute

(b) 5minutes

(C) 10minutes

(d) 60 minutes

 

Solution

 

(a) 1minute

•1minute=60 seconds

•Therefore 1minute =  1 ×   60

•                                    = 60seconds

 

( b) 5minutes

•1minute= 60 seconds

•5minutes= 5x60

•                   300 seconds

(C) 10minutes
1minutes =60 seconds
10 minutes = 10 x 60
                    = 600 seconds 

( d ) 60 minutes

•1minute= 60 seconds

•60minutes= 60x 60

•                      =3600 seconds

 

 

CONVERT SECONDS TO MINUTES

 

•1 minute= 60 seconds

•Example 1.

•Convert   120seconds into minutes

•120 = 120  =  2 minutes

•            60 

 

Example 2

 

•Convert 420 seconds to minutes

•1minute= 60 secotnds

•420= 420    =7minutes   

•            60 

 

Example 3

Convert 3600 into minutes

•60 seconds =1 minute

•3600=  3600  =  6o minutes

•               60   

 

Convert the following seconds into minutes

• l240
• l300
• l720
• l90
• l360

 

Answers

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