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Matt Felton-Koestler with Courtney Koestler
Jan 20, 20201 min read
Math at Casa
Asking math questions while waiting for lunch...
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Matt Felton-Koestler
Dec 8, 20175 min read
Decimal Notation versus Meaning
I observed a lesson in a classroom today and while observing I began to wonder what Parker would do with the problem with a little...
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Matt Felton-Koestler
Nov 10, 20172 min read
Half of a Half of a ...
M: What'd you do in math today? P: Doubles and halves. M: Really, what numbers did you do half of? P: 1, 2, 3, 4, 5, 6, 7, 8, 9 ,10 M:...
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Matt Felton-Koestler
Nov 9, 20171 min read
Fractions with a Side of Pie
Parker wanted pumpkin pie with dinner tonight. After his first slice he asked for more. So I said his payment was to answer: "what...
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Matt Felton-Koestler
Sep 25, 20172 min read
Halves and Hundreds
I'm reading The Poisonwood Bible for my book club and I just realized we meet this Sunday, not next Sunday, so I'm freaking out about how...
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Matt Felton-Koestler
Sep 20, 20175 min read
Ours is not to reason why…
…just invert and multiply! This post is a bit longer and a bit more didactic than many of my others, but I think it's interesting all the...
246 views0 comments
Matt Felton-Koestler
Sep 15, 20175 min read
Watching Middle School Number Talks
This post brings together number talks, doing fractions, and ways to work on math with your child without doing drills. Recently,...
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Matt Felton-Koestler
Aug 24, 20174 min read
More Water Jug Fractions
After solving the previous problem, I told Parker I was going to give him something more challenging (take a minute and try to solve it...
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Matt Felton-Koestler
Aug 24, 20174 min read
Early Fractions
A few weeks ago I wrote the following on Facebook: Last night Parker figured out 3 ÷ 3/4 (in a story problem). This morning Parker said...
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