J. Clayton Riley @RileyMathClass

Math Teacher, Lifelong Learner, Aggie grad w/ a masters from UT, former #txlege staffer, Austin FC supporter Aledo, TX Joined June 2022

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J. Clayton Riley @RileyMathClass

2 years ago

@joboaler Two knee-jerk hypotheses: Districts are struggling more and more to provide funding for high quality PD Teachers are burnt out in higher numbers and not wanting to spend more time in work-related activity

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J. Clayton Riley @RileyMathClass

2 years ago

She also noted that students had a more positive attitude towards math class when they were able to use calculators. Thoughts?

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J. Clayton Riley @RileyMathClass

2 years ago

A meta-analysis by Aimee Ellington in 2003 found that calculators "did not hinder the development of mathematical skills" but actually improved problem solving when calculators were used in class and during tests.

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J. Clayton Riley @RileyMathClass

2 years ago

A good night's sleep and a return to the research this morning has produced some interesting results. I think the fear of calculators in the classroom is stigma not based in fact. #mtbos #iteachmath

J. Clayton Riley @RileyMathClass

2 years ago

Good evening #MTBOS, #iteachmath, etc, I'm a high school math teacher and have found myself more and more in the camp of "using calculators is eroding number sense." (1/3)

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J. Clayton Riley @RileyMathClass

2 years ago

Good evening #MTBOS, #iteachmath, etc, I'm a high school math teacher and have found myself more and more in the camp of "using calculators is eroding number sense." (1/3)

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J. Clayton Riley @RileyMathClass

2 years ago

I've struggled to find sound, quantitative analysis supporting or debunking this hypothesis of mine. Would any of y'all happen to know of research showing an increase or decrease in number sense, mathematical fluency, etc. while using calculators vs. not? Preferably HS. (3/3)

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J. Clayton Riley @RileyMathClass

2 years ago

This afternoon I've wondered if that is actually the case, or if this is just some baseless opinion adopted by me and many other math teachers. (2/3)

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J. Clayton Riley @RileyMathClass

3 years ago

What do these percentages mean? The explanation coming soon in Statistics at AHS

DataMB @DataMB_

3 years ago

🇳🇴 Antonio Nusa (Club Brugge, 18) 🏅 100th percentile for successful dribbles 🏅 100th percentile for offensive actions 🏅 97th percentile for key passes 🏅 96th percentile for progressive carries 🏅 95th percentile for expected G+A World-class talent ✨ Compare players 👉

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J. Clayton Riley @RileyMathClass

3 years ago

Great example of how a skewed distribution (skewed right in this case) pulls the mean away from the median. Your measure of central tendency matters!

Scott Lincicome @scottlincicome

3 years ago

American net worth by age: 20-24: $121k Average, $11k Median 25-29: $120k, $30k 30-34: $258k, $90k 35-39: $501k, $141k 40-44: $591k, $135k 45-49: $782k, $213k 50-54 $1.1M, $273k 55-59: $1.4M, $321k 60-64: $1.7M, $394k 65-69: $1.8M, $394k 70-74 $1.7M, $433k 75-79: $1.6M, $341k

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J. Clayton Riley @RileyMathClass

3 years ago

👀

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J. Clayton Riley @RileyMathClass

3 years ago

@robertkaplinsky One of the best activities of the year seeing students create quadratic functions before even teaching it!

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J. Clayton Riley @RileyMathClass

3 years ago

Fueling curiosity and awe in the next generation.

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J. Clayton Riley @RileyMathClass

3 years ago

Statistics students at @AledoISD simulated aerial wildlife surveying to kick off our lesson on sampling! #GrowingGreatness #AllInAledo

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J. Clayton Riley @RileyMathClass

3 years ago

@MrCorleyMath @Meta Agreed! I’m not a fan of thinking Zuck is the winner in all this. Maybe Twitter gets sold again and it’s fixed, or maybe Mastodon is the answer. *shrug*

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J. Clayton Riley @RileyMathClass

3 years ago

2 Twitter accounts and it’s interesting how much more discussion there is in personal network compared to professional about @Meta Threads. I have noticed that there’s no hashtag so it may be hard to find conversations like #mtbos or #thinkingclassroom. Maybe I’m missing it.