but here in meriden, scores went up at nearly every elementary school in the district.ure look like for these students? >> opportunities to do things in college that are connected to mathematics. giving kids another avenue of what their future could look like. >> reporter: a future full of calculated possibilities. for "eye on america," meg oliver, cbs news, meriden, connecticut. >> o'donnell: great story. an arrest warrant is out for troubled former n.f.l. wide receiver antonio brown. that story is next. it with unitedhealthcare my sister has a whole team to help her get the most out of her medicare plan. ♪wow, uh-huh♪ advantage: me! can't wait 'til i turn 65! take advantage with an aarp medicare advantage plan... only from unitedhealthcare. the virus that causes shingles is sleeping... in 99% of people over 50. and it could strike at any time. think you're not at risk? wake up. because shingles could wake up in you. if you're over 50, talk to your doctor or pharmacist about shingles prevention. are you feeling sluggish if you're over 50, talk to your doctor or weighed

. >> reporter: when dan crispino took the job overseeing curriculum for elementary schools in meridenconnecticut, it was 2019, and he had a bic problem to solve. >> when i would go into classrooms all over the district, i could see that kids didn't seem as excited about math. >> reporter: in a low-income district where nearly 75% of kids receive free or reduced lunch, math was a struggle. >> we only had 60 minutes for mathematics. >> reporter: it's now 90 minutes, starting with a 30-minute lesson, followed by a 60-minute block where every second counts. >> three-minute warning, my friends. >> reporter: the class is made um of tightly-timed segments where students and the teacher rotate through small groups. >> understand the problem. >> reporter: every classroom is on the same lesson, using the same math vocabulary. no one moves on until everyone understands the new material. >> we're going to be trend setters. people are going to want to know what we're doing in math. it's going to be that good. >> reporter: also for the first time, tutoring is offered during the school day. with the

so but the mp for meriden, thank you very much indeed for taking the time to join this morning.us this morning. immensely brave. and if anybody wants to sign the petition, it is on change .org. that petition and as says over 23,000 people have already signed it. it just seems to me to be a particularly fitting tribute to his immense bravery. well extraordinary. and yes, i mean , hard to argue yes, i mean, hard to argue against and not sure what what you sets the rules on who gets a george medal as all sorts of acts of bravery across the country. this one stands out. i think there's a committee i think there's a committee i think there's a committee i think there's a committee that decide that's made up of people. i think some from the forces. this is a very rare, though, and they feel they are very they are very therefore exceptional. i think this i think this was the exception. yeah. and i think it moved nation, didn't it? moved the nation, didn't it? i think. i mean, this one just think. i mean, this one is just heartbreaking. mean you know, heartbreaking. i mean you know, so