Señora Jiménez has noticed that several of the Spanish students have been having difficulty with your Adjective Agreement. Remember, Spanish adjectives are a little different from how they are used in English. Most of the time, in English, adjectives come before the noun, however, in Spanish, it comes after it. Also, they need to match in gender and number.
Here is a website that you can get some extra help with them on.
http://www.drlemon.com/Grammar/adjagree.html