Multiplying Monomials and Polynomials (move to higher grades when possible)
Algebra, and more...

 1 HARD $$9w \times (10t + 4n) =$$ $$90w + 90t + 36w + 36n$$$$90wt + 36wn$$$$126wtn$$$$126ntw$$None of the above

 2 HARD $$(7t + 4t) \times (11q-5n) =$$ $$121tq - 55tn$$$$121t + 55tn$$$$55tn - 121tq$$$$77tq - 20tn$$None of the above