More Backwards Math

[Photo by *clairity*.]

Have you ever noticed how very different little girls are from little boys, in the way they play and in the way they think about things? Princess Kitten has been playing around with Backwards Math again, and my first thought was, “None of my boys would ever have done this with numbers.”

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Welcome to Blogland, Niner!


Photo by Niner.

The daughter who supplies my header photos has started a blog to show off her pictures:

Niner’s SnapFair
[It’s pronounced “NEE-ner.”]

Update: She no longer posts to that blog, but has been writing and posting photos, recipes, and craft projects to her new blog — College & The Years After.

Her photography skills continue to improve, and her sense of humor comes through in the stories that accompany each photo. I’m sure she’d love to have you stop by and visit!

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Backwards Math

Photo by Complicated.

Princess Kitten is recovering from her cold and getting some energy back. She came to me and said wistfully, “I wish I could do backwards math.”

I looked up from my keyboard. “Backwards math? What do you mean?”

“Umm. It’s kinda hard to explain, but I can show you.”

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Happy Birthday, Princess Kitten!

Princess Kitten

Our youngest child turns 9 today. Time shoots by at rocket speed, doesn’t it? Every year, the older kids complain that their baby sister isn’t allowed to grow up — they still feel like being nine years old themselves!

I have mentioned before our family tradition of the “hidden present.” [See this post and that.] Every year, one birthday present is hidden somewhere in the house, with the clue placed in an envelope to be opened after all the other gifts are unwrapped.

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Pre-Algebra Picture Puzzles

Balance problem

Maria at Homeschool Math Blog has posted a fun set of worksheets:
Pan balance problems to teach algebraic reasoning.

Princess Kitten, at nearly 9yo, keeps telling me, “I hate math, but I like algebra.” So I printed all four pages for her to try. These get pretty complicated, and the 2-variable problems had her flummoxed for awhile. But after an explanation and bit of pouting (I think she hates math because she’s such a perfectionist that she can’t bear to get something wrong, even the first time), she came back and conquered the toughest ones.

Welcome, Princess Kitten!

Not to be outdone by her older brother, Princess Kitten insisted on starting a blog of her own:

Kitten’s Purring

I have given them a section of my blogroll. If you are interested, they would both love to have you drop by and read their stories. Chickenfoot is writing in the “fractured fairytale” vein, at least for now, while Kitten’s tales tend toward animal adventures.

This teacher’s opinion: It certainly beats those dreaded “Pretend you’re a pencil” essays!

Improper Fractions: A Mathematical Trauma

Feature photo (above) by Jimmie via flickr. Photo (right) by Old Shoe Woman via Flickr.

Nearing the end of Miquon Blue today, my youngest daughter encountered fractions greater than one. She collapsed on the floor of my bedroom in tears.

The worksheet started innocently enough:

\frac{1}{2} \times 8=\left[ \quad \right]

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Number Bonds = Better Understanding

[Rescued from my old blog.]

number bondsA number bond is a mental picture of the relationship between a number and the parts that combine to make it. The concept of number bonds is very basic, an important foundation for understanding how numbers work. A whole thing is made up of parts. If you know the parts, you can put them together (add) to find the whole. If you know the whole and one of the parts, you take away the part you know (subtract) to find the other part.

Number bonds let children see the inverse relationship between addition and subtraction. Subtraction is not a totally different thing from addition; they are mirror images. To subtract means to figure out how much more you would have to add to get the whole thing.

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Fibonacci Poetry = Fun!

[Rescued from my old blog.]

Well, I hadn’t planned on spending my day this way. One of the great things about homeschooling is that we can spend time following rabbit trails…

While browsing the Carnival of Homeschooling, I found a link to Farm School blog’s article Fib Foolery, which sent me to Gotta Book for his articles The Fib and More Fibbery (read the comments on both threads, but be warned that some are crude) and several other posts, all of which set me off on a morning of poetic fun. I know what I’m going to share at our Tuesday Teatime and Poetry Reading this afternoon.

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Kids Do the Craziest Things

[Rescued from my old blog.]

My youngest daughter wanted to do Singapore math today. Miquon Red is her main math text this quarter, but we add a bit of Singapore Primary Math 1B whenever she’s in the mood. We turned to the lesson on subtracting with numbers in the 30-somethings. The first problem was pretty easy for her:

30 – 7 = []

I reminded her that she already knows 10 – 7. She agreed, “10 take away 7 is 3.” Then her eyes lit up. “So it’s 23! Because there are two tens left.”

Continue reading Kids Do the Craziest Things