few_shots: 
Example:
Concept/skill: 
Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.

Problem/activity:
Find the general solution for:
$${\mathrm{cos}\left({\pi\over2}+x\right)=\mathrm{tan}{\pi\over4}}$$


Answer: 
No. This problem does not directly teach how side ratios in right triangles lead to definitions of trigonometric ratios. Instead, it involves solving a trigonometric function.

Now, assess whether the following problem or activity is 'aligned' with the given Common Core standard in Mathematics.

shot_info: fl_problem_001894_neg_0

HS_0
standard_description: Fluently add and subtract within 5.
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