Rockin’ and rolling with math

We’ve spent more weekends indoors than we’d like lately, but the good thing is, B has had more time to play his cars, trucks and trains, draw and write, practice violin, of course, craft with mom.

The DIY ping pong ball runs with toilet paper rolls has been a regular activity at home.  But this year, inspired by a fellow mom blogger, I decided to use this to reinforce addition.  Here’s how we did it:

  1. Start storing your rolls!  Even with a 5 person household (+ grandparents!), we could only do enough for numbers 1-5 to start.
  2. Find a board that’s big and sturdy enough, preferably as tall as the kid and sufficiently wide so that you can do a lot of creative (and long) runs.  We used our TV box – as we’d just upgraded our ancient flat screen TV in time for our SG50 NDP party.
  3. Cut some into half lengthwise, and a few others into half heightwise.  The longer halves will be used for the ramps while the shorter rolls as your numbered “holders” or entry points.
  4. Get the kiddo to help you paint the box and rolls.  We didn’t have much time, and B was eager to get rolling, so we just painted 10 short rolls and numbered them from 1 to 10.  He could do all of this by himself now – another plus!
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  5. Start sticking them onto the box, testing the roll as you go along.  By now, B could also figure out where to put things and we had fun cutting out the tape and placing them together.
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  6. On a separate paper / nearby easel, put together the sums for them to do.  We started from the basics, i.e. 1+1= ? to 1+5 =?, which B already knew from finger counting, so he could draw the connection from adding the balls.
  7. Start rolling based on the sums that you see, e.g. for 1+3, put 1 ball in the #1 holder, and 3 balls in the #3 holder, check how many balls land in the box to see if you got the sums right! 
  8. Get the kiddo to write the answer down.  Good practice here 🙂

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Here’s the finished product 🙂

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