Answer: Here is a possible list of the kinds of things children should learn about any number up to 20 while in pre-k or kindergarten. All of them are appropriate EXCEPT: A) Count and know the number words in their order. B) Reading three digit numbers. C) State more and less by one and 2. D) Relates to the benchmark numbers.
I'm not sure if you need to fill in the blank, but if you do it's contrast. To create emphasis using contrast, an artist might use different shades of gray in a black and white drawing.