7 + 3 = 10
10 = 4 + 6
4 + 5 = 6 + 3
James had 13 legos. He let a friend borrow 4 legos. How many legos does James have now?
9 legos
10 legos
Emma had 4 dolls then she got 3 more dolls for her birthday. Then she got one more doll as a surprise. How many dolls does Emma have in all?
7 dolls
8 dolls