Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
Add and subtract with word problems within 10. Then add and subtract using expressions and equations. Here's an example word problem: Peter and Mary were about to go on an Easter egg hunt. They decided that whatever they found, they would share. Peter found 2 eggs, but Mary didn’t find any. How many did they find in all?