Johnny Math Teacher

CAMT 2019 - Differentiation for Special Education Students with Desmos Activity Builder

CAMT 2019 – Differentiation for Special Education Students with Desmos Activity Builder

This session provided a short introduction to the Desmos Activity Builder, then explored strategies for scaffolding activities to meet the needs of struggling learners. Session Slide Deck Desmos Activity Builder: Differentiation Demonstration Desmos Activity Builder: Scaffolded Questions

Twitter-Length Tasks - Nursery Sale

Twitter-Length Tasks – Nursery Sale

A local nursery is discounting shrubs and bushes. A 1-foot diameter shrub is only $1. A ½-foot diameter shrub is $2. The ¼-foot diameter shrub is $4. (And so on… one-third foot diameter = $3, one-tenth foot diameter = $10.) What is the cheapest way to fill the greatest area of a flowerbed that is a 4-foot square? How much… Read more →

Book Notes: “Routines for Reasoning” – Kelemanik, Lucenta, Creighton

Book Notes: “Routines for Reasoning” – Kelemanik, Lucenta, Creighton

I love those rich conversations with colleagues when they express a thought and you feel like you agree completely, but you’ve never been able to express it that clearly. That’s how Routines for Reasoning makes me feel – the book explores strategies teachers can employ to help develop students’ reasoning and problem-solving abilities. Each of the strategies does such a… Read more →

Twitter-Length Task - Sound it Out

Twitter-Length Task – Sound it Out

Twelve is the largest number that is only one syllable long. “Twenty-four” is three syllables, but so is “eight times three,” which is also equal to twenty-four. What is the greatest value expression or number you can write with five syllables? What is the smallest value you can create with five syllables? Can you create an expression whose value is… Read more →

Twitter-Length Task - Clock Angle

Twitter-Length Task – Clock Angle

Twitter-Length Tasks can be quickly and simply explained, yet allow for extensive exploration. Both hands of a clock are constantly moving. The small hour hand only points directly at a number when it is the top of the hour. Otherwise, that hour hand keeps moving around. So at 7:30, the hour hand is halfway between 7 and 8. So at 3:00,… Read more →