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Tag: abacus

I chose RightStart for the lack of emphasis on boring worksheets, but we did have a few short worksheets this past week. No problem, they were short and Satori whizzed through them! I have the order mixed up on the photo below, but the first worksheet was the simple addition by 1, for which Satori did not need the abacus. (She doesn’t need it for simple addition either, as she has been figuring simple sums in her head. She probably does this by counting, which I’m not sure is the RightStart way, but she does it fast anyway.)

We covered Level 41 on Monday, which built upon partitioning 10. Instead of memorizing addition facts that add to 10, here’s how RightStart Math approaches this. The past few lessons we’ve been using a Part-Whole Circle set with 10 in the whole circle, and another number in one of the part circles. (We previously photocopied the Part-Whole circle set and then I laminated it, so we can use dry erase markers to use it over and over.) Using the AL abacus, Satori can figure out the other number easily. We practiced this with all the sums, even writing all the possibilities down when solving word problems. We then did the Handshaking Game which was a unique game and used her toys in adding to 10.

A few days of doing this, Satori was familiar with equations for partitioning of ten. She completed the above worksheet on the left, relying on her abacus for all the equations. Then, we played a game that helped her learn her equations in a much more fun way! Addition Memory is a twist on the basic memory game in that you must find two cards that add to 10. The first time we played with all cards facing up, just to get the idea of finding cards that add to 10, such as a 6 and a 4. Then we started for real.

We like to start our Memory Games with a fun design, like a flower or pyramid. This is a smiley flower.

As we found pairs adding to 10, we lay the numbers in pairs face-up so we can visually see the numbers as added reinforcement. The first game Satori used her abacus for all but a few sums.

Mom won the first game (I do not cut her any slack), so of course we played again and again! I think we played 4 times total, each time Satori was relying on her abacus less and less. She knew when she picked up an 8, that she would need a 2. When she found a 5, she’d need the other 5. 9+1 and 10+0 were easy to figure out, I think the only ones she still needs an abacus were for 7+3 and 6+4 and vice versa.

Next time, we will start out playing the Addition Memory game until she has the last two sums memorized, and then we will play yet another RightStart Game to learn our sums to 10 – Go to the Dump!

The cards we use came with the RightStart Level A Starter Kit, and are very nice cards, sturdy and glossy, which should hold up to hundreds of math games through several children!

As mama previewed our RightStart math lesson today, it called for two abacuses (or abaci) if you have them. Luckily, I had a make-your-own abacus kit so we put that together! I see this is no longer available unfortunately, but I got it for just $2.50 from RightStart. Here’s the cached page of their AL Abacus “Mini-Abby”. It is easy to make your own if you can find those little dowels and then some pony beads, popsicle sticks, and binder clips. It came in a little bag with everything (but the glue and pen) shown here.

The orange and yellow weren’t too inspiring for us, so I had Satori choose her own light and dark colors. We have tons of pony beads from our craft room, so that worked out well.


She couldn’t wait to play with it. 🙂

We just think it’s super cute.

This particular lesson today covered a multitude of things. We are finally getting back into place value (where we left off from Math-U-See last summer). So we had a bunch of tens and ones laying on the floor, and I would call out 4-ten and she would pick the number up and enter it on her abacus.

That was just a review, we had done that yesterday, and I’m finding we don’t need to review so much. We proceeded to learn how to enter 8-ten plus 1 on the abacus and call it 8-ten one. (We will call numbers these weird names for a bit longer, it makes math make so much more sense if you think of things in terms of tens and ones.)

To conclude the lesson, we learned a new game – Swim to Ten! Satori loved this and after the lesson, she played it by herself for 20 more minutes. “Swim to Ten” allowed her to practice her decision making skills as she chose which of her swimmers to move when she rolled the dice. If one lands on an “X”, she has to go back to the beginning! In beginner-mode, you can give the child a second chance. In harder mode, she has to move the first swimmer she touches. To win, you must land your swimmer exactly on the 10th spot.