To assist in this crucial role, we have assembled a suite of resources that will help them support their child in becoming proficient in math. (greatminds.org)
I'm thoroughly familiar with this line of work and I have already invested many years in becoming proficient at it. (sciencemag.org)
It represents a major deficiency in our capacity if we are not striving to at least become proficient with it, if not mastered. (onnit.com)