I've just started Sweet Pea on Math Mammoth's Subtraction 1. I'm really a fan of Math Mammoth and the way you can buy it- by topic or level or both. It's a hit.
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We've worked almost all the way through the Addition 1 and we are working on subtraction in Singapore now, so I thought the time was right. It's going well!
We're also doing a little bit of gentle drill on math facts 0-10. Sweet Pea knows them, we're just working on increasing speed now that the concepts are firm.
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Rod and Staff English continues to be a good choice. We're doing all of the exercises on paper. I know that a lot of people end up doing portions of it orally, but I like the actual pencil on paper practice that this is giving Sweet Pea.
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That being said, I don't know if this will be our long term Language Arts solution or not. I'm constantly tweaking Language Arts- for some reason it's easier for me to just let math be and stick with what we are using but I'm constantly reading and researching about LA. We'll see!