Thursday, August 25, 2011

Maths

I am learning to solve 2 and 3 digit addition problems by using place value.
38+49=87 (30+40=70)+(8+9=17)
68+25= 93 (60+20=80)+(8+5=13)
57+26=83 (50+20=70)+(7+6=13)

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