Read the story.
There are 42 cows eating grass in a field. Then, 23 more cows come out of the barn and join them. How many cows are in the field now?
Pick the model that matches the story.
42
?
23
?
42
23
How many cows are in the field now?
cows
ref_doc_title.
Jumping to level 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?

