Question

Alex bought 1029 stickers for the kids at PS105.Doris bought 234 more stickers than Alex but 193 fewer stickers than Mamie.How many stickers did Doris buy?How many stickers did Mamie buy?

Answer 1

First take note that Alex bought 1029 stickers and Doris has 234 MORE than alex, but Doris has 193 LESS than Mamie.

Dorie equation is

1029+234=1263

So Dorie has 1263 stickers!

Now for Mamie who has 193 more than Doris So the equation for Doris is

1263+19=1282

So Mamie bought 1282 stickers