Example in modeling
Ming and John have 225 stamps altogther. Ming has 29 more stamps than John. How many stamps does Ming have ?Answer :
Ming ___________________
* * *
<-------1 unit---><-29->
John ______________
* *
2 units = 225-29 = 196
1 unit = 98
1 unit + 29= 98 + 29 = 127
posted by Blogs @ 8:02 AM
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