Aren't the standards higher now than the past? I have daughter in second grade who is learning multiplication, basic division, fractions and very basic algebra

Aren't the standards higher now than the past? I have daughter in second grade who is learning multiplication, basic division, fractions and very basic algebra. I never learned that till 3rd and 4th grade. Here's some sample questions from california standardized test. http://starsamplequestions.org/grades_2_3.pdf http://starsamplequestions.org/grades_2_3.pdf