Tucker ran 12 miles on Monday. He ran some more miles on Tuesday. In all, Tucker ran 16 miles. How many miles did he run on Tuesday?
6+?=8
10+?=19
Sebastian had 6 toy cars. He got some more for his birthday. Now, he has 12 toy cars. How many cars did Sebastian get for his birthday?
Dot built 3 houses on Minecraft at 10:00. At 4:00, Dot built some more houses. All together, Dot built 17 houses on Minecraft. How many houses did Dot build at 4:00?
15+?= 18
Savannah had 1 puppy. Her mom gave her some more. Now, Savannah has 7 puppies. How many puppies did Savannah's mom give her?
Chuck ate 8 cupcakes with his brother. He ate more cupcakes with his sister. In all, Chuck ate 16 cupcakes. How many cupcakes did Chuck eat with his sister?