Level 3
Jenny's mother gave her $2 to buy 2 pears. Instead, Jenny bought 3 pears and received twenty cents as change. How much change would Jenny receive if she had bought 2 pears?
Level 1
In a party, Mabel folded 153 paper planes. She folded 3 times as many paper planes as her sister. How many more paper planes did Mabel folded than her sister?
Level 2
Rosie made 90 kaya buns and vanilla buns altogether. She made 9 times as many kaya buns as vanilla buns. How many more kaya buns than vanilla buns did she make?