# The Importance of 10

Yesterday, I posted about effective fact practice. Developing automaticity with addition and subtraction facts begins with subitizing, which is why it’s so important that our Kinder babies get a lot of practice with that skill. The next building block is knowing combinations for 5 and 10. If a student has instant recall of 3 + 7, it sets the stage for knowing 4 + 7. That’s the idea behind teaching facts with a strategy-based approach. Here’s a quick and easy little workstation using ordinary playing cards (remove the face cards) to practice combinations for 10. Notice that by using the playing cards and ten-frames, it is a representational (from CRA) activity, which is better for conceptual understanding than abstract flash cards.

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1. The Friends of 10 are so fun to teach! I love how they use 2 different colors…such a great visual!!! Thanks so much Donna!!!!

Amy

1. Donna Boucher says:

Friends of 10–I love that! It sounds so…friendly. Ha ha.

Donna

2. LOL! We actually have names for each friend. 1,9 straight backs,
3,7 swingers and when we write it on the board we hang the 7 off the 3,
4 and 6 connectors… We make a 4 and go straight into a 6,
5,5 twins
0,10 the zero heroes
Kids love the names and love drawing them, and it’s amazing how something so simple helps them remember this skill!!!!

1. What a super idea to come up with names!!!!

3. I love your blog!! I appreciate all of the resources you provide for us to teach math more effectively!

1. Donna Boucher says:

Thanks, Lisa! It’s a pleasure for me, and I’m glad it’s useful to others. I hope you’ve linked up your blog on my Blog Hop page!

Donna

4. This is a great activity. Thank you for sharing. I posted a link to your blog from mine.

guiidedmathstudygroup.blogspot.com

1. Donna Boucher says:

Thanks, Suzanne! Be sure to link up your blog on my Blog Hop page. ๐

Donna

1. Donna Boucher says:

You’re welcome, Jenny!

5. Anonymous says:

I have stumbled upon your blog…. I WOULD BUY A BOOK with all your ideas in it! Thank you for getting my creative summer mind working! Your math activities blend beautifully with Number Literacy! Thank you!

1. Donna Boucher says:

Hold that thought, because I’m working on it! Ha ha.

2. Tanisha says:

I can’t wait!!!!

6. Chrissy says:

_Chrissy

1. Donna Boucher says:

Welcome, Chrissy!!

7. Jan says:

Thanks for sharing this great activity. Lots of my firsties had trouble with this concept last fall, and this will be very helpful.

8. Ashlee Engel says:

What a fantastic blog. I am addicted to visiting. Each time I visit I find something I plan on using. Thanks for sharing!!!

1. Donna Boucher says:

What a sweet compliment! Thanks! ๐

9. Elizabeth Pruyn says:

Hi there, I love the new ideas from your page. I can’t get the Deal out a 10 sheet to come up. Is it on a TpT page? Thanks! Elizabeth

1. Donna Boucher says:

No, that ones is only in Google Docs. Sorry you’re having trouble with it. You clicked on the picture and it didn’t open? Do you get an error message or something?

10. Beth Korda says:

Love this!! Any chance that you’ll create a second version where you turn over two cards, color that number with one color, and use another color to complete the two ten-frames? This would be a good fit for my higher math students.

1. Donna Boucher says:

Awesome idea, Beth! I think that’s definitely doable!! Be on the look-out… ๐

11. Kinderaffe says:

I taught 2nd grade for 5 years. So many started 2nd with me not fluid with 10! This will help me get these Kinders on the right road.

Thanks!

1. Donna Boucher says:

I taught FIFTH grade and many still were not fluent with 10! So much more emphasis on number sense I think now.

12. nurul ishak says:

Awesome..brilliant…I like those Math ideas that you share in your blog and I keep on practice it in my classroom. Smart, easy and very effective.Thank you for sharing.

13. Leslie Hamlin says:

Thanks so much! My kiddos struggled with making 10 and this will be a great reinforcer! Love your ideas!

14. Christine says:

This great! Thank you! I know you focus on k-5 but do you have any resources as far as manipulatively for sixth grade concepts?

1. Donna Boucher says:

Christine, many of the same manipulatives used for upper elementary work well for sixth graders. I also wanted to share this blog post on middle school manipulatives.

15. Lori Morse Winslow says:

Looks perfect!