Homework!

Jade is in 3rd grade, she just turned 9. These are questions from her math homework: Which is an example of the Commutative Property? (with 4 choices) Which is an example of the Associative Property? (with 4 choices) and Which figure appears to be congruent to this quadrilateral? WTF?! She's NINE YEARS OLD!! I ...don't even understand the QUESTIONS let alone how to help her find the ANSWERS!!