standard_description: Fluently add and subtract within 20 using mental strategies. (See standard 1.OA.6 for a list of mental strategies.) By end of Grade 2, know from memory all sums of two one-digit numbers.
problem_activity: Problem 1
Find the product.
$${(x-3)(x^2-2x+3)}$$
Once we find the product, how would we work backwards to get both factors again?
Problem 2
What is the other factor you would multiply
$${x-2}$$
by to get the polynomial
$${x^4-4x^2-5x+10}$$
?


aligns: no