Reflection: Lesson Planning Thrilling 13! - Section 2: Guided/Independent Practice


Before Common Core, when I was just a third grade teacher happy to finally be switched “down” to kindergarten—I tell everybody I had to work my way down!—I didn’t realize the huge conceptual component to teen numbers.  13 was just the number that came after 12.  I am kind of embarrassed to admit that the concept of a ten and extra ones totally eluded me.  Even last year, I remember teaching teen numbers and then going back to teach base ten.  Both teen numbers and NBT are better off when combined!  (Sometimes I’m as sharp as a marble.)

I love using ten-frames to build that complete 10 and actually exemplifying the extra ones that comprise teen numbers.  I stumbled across the free download for the building teens on Pinterest, which saved me some work, as it was honestly exactly what I was about to create! (Thank you Carolyn McCleary, for your work & your generosity!) I love Pinterest.  Just love it. 

Here’s a tip:  have a volunteer (if you are lucky enough to have one) punch out a bunch of construction paper circles ahead of time.  When I first “built” teen numbers, (last week!), I had the kiddos punch out the dots, and it took forever.  While it was fabulous fine motor practice, it made the job take forever compared to the other activities, and timing is so important.  If the kiddos can punch out the “extra ones,” in this case, 3 today, they get the experience of punching out circles but they’re not bogged down with the challenge of 13.  If you don’t have a volunteer, do like I did!  Bring your trusty hole punch home and punch out dots while watching football or your favorite TV show!

  Lesson Planning: 13 is so much more than the number after 12...
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Thrilling 13!

Unit 14: Tricky Teen Numbers
Lesson 3 of 12

Objective: SWBAT identify, write, count, and represent 13.

Big Idea: We use hands-on activities to literally build the concept of 13, including the all-important concept of "a 10 and 3 ones."

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