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Thursday 6 March 2014

Maths-Week5


1.A) 64÷4=16
   Split 64 into 40 and 24
   I chose 40 because I know 4x10=40
   I chose 24 because I know 24x6=4
   10+6=16

B)91÷7=13
   Split 91 into 70 and 21
   I chose 70 because I know 7x10=70
   I chose 21 because I know 7x3=21
   10+3=13

C) 95÷5=19
    Split 95 into 50 and 45
     I chose 50 because 5x10=50
     I chose 45 because 5x9= 45
     10+9=19
D) 78÷6=
    Split 78 into 60 and 18
    I chose 60 because 60x10=6
    I chose 18 because 18x3=6
    10+3=13
E) 45÷3=15
    Split 45 into 30 and 15
     I chose 30 because 30x10=3
     I chose 15 because 15x5=3
     10+5=15
F)96÷8=12
  Split 96 into 80 and 16
  I chose 80 because 80 x 10=8
  I chose 16 because 16x2=8
  10+2=12

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