Category Archives: Parenting Teens

Common Core Crazy? Making sense of the viral common core math rounding problem

Perhaps you have seen the Facebook post by an angry mother who  is upset about her daughter’s Common Core-based math problem. There’s a larger lesson here, but it’s not about the Common Core.

Click here for the Facebook post by Larisa Yaghoobov Settembro

The problem asked was,
Carole read 28 pages of a book on Monday and 103 pages on Tuesday. Is 75 pages a reasonable answer for how many more pages Carole read on Tuesday than Monday?
And the student responded,
Yes, 75 is a reasonable answer because 103-28 = 75
for which she was deducted a point for not estimating the answer of 70, since that appears to be the lesson about what is a “reasonable” answer. The teacher marked:
-1 [pt] Estimate 100-30 = 70
For background on Common Core math methodologies, see Key Shifts in Mathematics

Right math lesson, wrong question

Other blog and news sites have taken this on, for and against the question. I think this is a horrible question, but not because the exercise of rounding is worthless. It’s a poor assessment question because, Continue reading

3.14: A Pi day celebration from a math idiot

Is math just for math people? Are you just not wired for math? Well, you and your math-struggling student can celebrate Pi day, too!

I was awful at math in  high school. So bad, in fact, that I  didn’t qualify to take math in college.

Felt great at the time, but looking back on it, what a shame. The only math I could do as a kid was “breaking a twenty” as a cashier at my job at the drug store. I could make change like a champ! Now, cashiers don’t even have to know any math at all, since the machine does it all for them.

So do we really need math?

Sadly, some universities think we don’t:

Wayne State drops math as general ed requirement

What a shame — and I know why they’re doing it, although they’ve got an excuse for it: Continue reading