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Math : Whole Numbers (2) 
P4B Al – Idrisi 2013-2014 
By. Ust . Muhtar Lutfi
80 
82 
85 90 
1. Ribbon A is 82 cm long 
82 is between 80 and 90. 
It is nearer to 80 than to 90. 
82 is 80 when rounded off to the nearest 
ten. 
We say 82 is approximately equal to 80. 
We write 82 = 80. 
So, Ribbon A is 80 cm long when rounded 
off to the nearest ten centimetres 
I wanna be 
pilot… and 
you??
90 
95 
95 
100 
Ribbon C is 95 cm long 
Kalian mo bisa.. 
Yuk perhatikan 
guru kita...! 
95 is exactly halfway between 90 and 100. 
95 is 100 when rounded off to the nearest ten. 
95 = 100 
Ribbon C is 100 cm long when rounded off to 
the nearest ten centimetres. 
I wanna be ... The 
Walking Qur’an

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Math whole number 2

  • 1. Math : Whole Numbers (2) P4B Al – Idrisi 2013-2014 By. Ust . Muhtar Lutfi
  • 2. 80 82 85 90 1. Ribbon A is 82 cm long 82 is between 80 and 90. It is nearer to 80 than to 90. 82 is 80 when rounded off to the nearest ten. We say 82 is approximately equal to 80. We write 82 = 80. So, Ribbon A is 80 cm long when rounded off to the nearest ten centimetres I wanna be pilot… and you??
  • 3. 90 95 95 100 Ribbon C is 95 cm long Kalian mo bisa.. Yuk perhatikan guru kita...! 95 is exactly halfway between 90 and 100. 95 is 100 when rounded off to the nearest ten. 95 = 100 Ribbon C is 100 cm long when rounded off to the nearest ten centimetres. I wanna be ... The Walking Qur’an