0:04 Let me get started with this .
0:08 and I have 13 - year - old twin boys .
0:10 I want to share a vivid memory from when they were in pre - K .
0:14 A mom came over at pickup to befriend me
0:17 and she started telling me about her daughter .
0:20 She said , " She's like me .
0:23 She's just not a math kid .
0:26 But your boys , your boys are math kids .
0:29 We're just not math people . "
0:35 I worried if I opened my mouth to disagree ,
0:37 I'd say something crazy .
0:40 And we all know the price of crazy at pickup .
0:46 You never get invited to any playdates .
0:52 She was the smartest and sweetest mom .
0:54 And I remember thinking ,
0:55 " How do you know your four - year - old will never be good at math ? "
1:00 Can you imagine if we thought the same thing in reading ?
1:04 If a kid struggled and we said , " Ah , she's just not a reading kid . "
1:08 And then we took away all the challenging books
1:10 and writing assignments for the rest of her school years .
1:16 We'd never be OK labeling some of the kids " reading kids , "
1:21 and leaving the rest illiterate .
1:24 But that's exactly what we do in math .
1:27 I'm a math learning expert and an education technologist ,
1:31 and believe it or not , I was not always a math kid .
1:35 But for the last 12 years ,
1:37 I have observed millions of students complete billions of math problems
1:41 and I've visited math classrooms on three continents ,
1:44 all to build the math - learning nonprofit Zearn .
1:49 And in all that work ,
1:51 I’ve learned one important thing :
1:53 We are asking the wrong question in math learning .
1:57 Instead of asking who can learn math ,
2:00 we should be asking , how do you teach math ?
2:03 Because when we ask “ who , ”
2:05 we imply that math learning is some rare genetic ability ,
2:11 We have piles of data that tell us we can all build a math mind ,
2:15 and we all need a math mind .
2:17 And so I have four steps to offer
2:20 that begin to answer the question ,
2:22 how do we build a math mind
2:24 and hopefully put an end to this labeling nonsense
2:33 Remember when I said I wasn't always a math kid ?
2:36 I was in sixth grade .
2:37 I had just transferred schools
2:40 and it was in math class that I fell apart .
2:43 I had no friends in math class ,
2:46 and the kids who were thriving were a group of boys
2:49 who wouldn't talk to me .
2:51 But I would not talk to them either .
2:54 Because they were grody .
2:59 One day after a test ,
3:00 my teacher called me over to his desk and he said ,
3:03 " If you try your very best ,
3:05 you could be just as good as the boys . "
3:10 Not an ideal thing to say to a little girl .
3:13 And the gender gaps in math persist today .
3:16 But it didn't matter because my heart exploded .
3:20 The coolest teacher I had ever met said that I could succeed .
3:27 but I think his words changed the course of my life .
3:33 he started a powerful chain reaction .
3:39 I built up the courage to ask for extra help .
3:42 And with that extra help , I did the extra work .
3:45 And with that courage , extra help and extra work ,
3:51 And along the way , I learned my experience was pretty normal .
3:55 All kids , even the math kids ,
3:57 fall behind , struggle or feel math anxiety .
4:01 But the difference for those kids is someone believes .
4:04 And so they do the work and they catch up .
4:08 Actually , in any subject you learn , you can fall behind ,
4:12 but that's usually a signal to work harder .
4:16 But in math , that same signal is that you don't have what it takes ,
4:21 and we give up and seal our fate .
4:24 And so that's why the first step is to believe .
4:30 And the second step is to understand .
4:33 Don't just memorize math ,
4:35 understand it and use pictures .
4:38 Let's say you have to take a reading test
4:40 and you memorize 200 words to take the test .
4:44 You don't actually know how to read ,
4:46 but let's say you get an A on the test .
4:48 And then naturally , a few weeks later ,
4:50 you'd forget a lot of what you'd memorized ,
4:53 but with it you would forget how to read .
4:59 And that's what math class feels like for a lot of kids .
5:03 Think about how you can grab any book off a shelf
5:06 and feel calm and confident ,
5:08 because you can read it .
5:10 What if your math learning felt like that ,
5:12 where everything clicked into place and your math learning was durable ?
5:17 Let's take a big idea in math : ratios
5:22 and proportional reasoning .
5:24 One is to two or three is to one .
5:28 More scary math to memorize ?
5:32 I can use a picture from my everyday life
5:35 to understand ratios .
5:37 Peanut butter and jelly sandwiches .
5:41 My twins have very different taste preferences .
5:44 One likes his sandwich with one spoon of jelly
5:47 and two spoons of peanut butter ,
5:49 and the other likes his sandwich with three spoons of jelly
5:53 and one spoon of peanut butter .
5:55 Very different ratios , very different sandwiches .
5:59 Math can and should make sense .
6:03 Now let's take a look at this problem .
6:06 Which fraction has a value closest to one half ?
6:14 one sixth or one fifth ?
6:17 Now a lot of us have been trained
6:18 to just jump right in and start calculating .
6:21 We're looking for a common denominator across these fractions .
6:25 And because that's kind of hard to do for eight , six , five and two in your head ,
6:30 you might even reach for a piece of paper .
6:34 But there is another way to get started ,
6:37 which is to pause and to understand .
6:41 You might imagine , or draw a rectangle
6:44 and shade in one part
6:46 and imagine , what is one half ?
6:50 And then what is two halves ?
6:52 Well , that's the exact same rectangle .
6:55 But now I've shaded in both parts .
6:57 So two halves is one whole .
7:01 And pretty soon from imagining or drawing these rectangles ,
7:05 it would become obvious
7:07 that five eights is the only reasonable option .
7:10 Because sometimes the reward of understanding
7:14 is not having to calculate at all .
7:17 Now , this question was given to American fourth graders
7:24 and 73 percent got this question wrong .
7:31 The most commonly picked answer ?
7:35 The most wrong answer possible .
7:38 Because that's what happens when we memorize math .
7:42 And so just like we have to make math meaningful ,
7:46 step three is we have to make math fun .
7:50 Make math practice fun .
7:56 I know what you're thinking .
7:57 A worksheet with 50 tedious , long division problems .
8:03 But we've known for years ,
8:04 in reading , if we want kids to learn it and to love it ,
8:08 we need to appeal to their interests .
8:10 Fantasy novels with elves ,
8:12 graphic novels with spies .
8:18 Card games , board games ,
8:20 real - world games you just make up on the fly .
8:23 And just like we're told to read to our kids for 20 minutes a day ,
8:30 When my twins were little , a favorite was the game Battleship ,
8:34 where the objective is to sink the opponent's ship .
8:37 But also an engaging application of the coordinate plane .
8:42 If you get a hit on E5 ,
8:44 you're quickly thinking of which coordinate to call out next .
8:49 You can also just play simple games that you make up in the real world .
8:52 When our twins were little ,
8:54 we'd give them ten bucks each at the farmer's market and we'd say ,
8:58 " Make sure you count the change before you hand over the money .
9:02 Otherwise , how do you know you're not getting ripped off ? "
9:07 And a tip with all these games :
9:10 don't make them a math lesson .
9:12 Just like you wouldn't stop reading a book
9:15 to underline the subject and the verb with your kids ,
9:19 and let your kids have fun too .
9:22 And that brings me to the fourth and final step .
9:27 Give math a second chance .
9:33 Have you ever noticed how the math kids giggle about math ?
9:39 They love the power and the beauty of math .
9:43 And it's not because they're made of different genetic stuff .
9:47 It's because somebody believed in them .
9:50 And they learned math
9:52 so they understood and they had fun .
9:56 So they practiced enough to build a math mind .
10:01 And maybe that wasn't your experience growing up .
10:07 We can all give math a second chance now for ourselves and for our kids .
10:16 that it's pretty hard for our kids to like something if we hate it .
10:21 And the world of math can be mean and exclusive .
10:25 But it can change when we make a decision ,
10:30 when we see the power and the beauty of math .
10:36 no one can take that from us .
10:39 Kierkegaard once talked about two kinds of love .
10:42 Spontaneous love and true love .
10:45 Spontaneous love just happens to you .
10:47 You don't have any control over it .
10:49 But true love is something different .
10:51 It's where you decide .
10:54 And so the change in you is to approach math with the plan ,
11:00 and with the patience that you will get to true love .
11:04 Because in math , true love is waiting for you .