Skip to content
Robert Kaplinsky
I share math strategies and resources that create problem solvers, not robots.
Robert KaplinskyRobert Kaplinsky
  • Problems
    • Open Middle Problems
    • Real World Problems
  • Blog
  • Professional Development
    • Book
    • Online Workshops
    • Speaking
    • Webinars
  • About
Search:
  • Problems
    • Open Middle Problems
    • Real World Problems
  • Blog
  • Professional Development
    • Book
    • Online Workshops
    • Speaking
    • Webinars
  • About

Portfolio Archives: 6th

ZoomDetails

How Fast Can You Throw A Baseball?

5th, 6thBy Robert KaplinskyNovember 21, 20121 Comment

  These children are using a radar gun to figure out how many miles per hour they can throw a baseball.   Find out how many miles per hour you throw a baseball without using a radar gun.   These questions may be useful in helping students down the problem solving path: What information would…

ZoomDetails

Do Car Companies Give Some Countries Better Warranties?

6thBy Robert KaplinskyNovember 21, 20121 Comment

  Not all countries use the same units of measure, so companies make changes to their advertisements so that their products are more easily understood by the people reading them.  Hyundai sells cars all over the world and is proud of their powertrain warranty which protects the engine, transmission, and other parts that make the…

ZoomDetails

Can You Earn $10/Hour Selling Lemonade?

6thBy Robert KaplinskyNovember 18, 20127 Comments

  Everyone has seen little kids selling lemonade, but how much money can you actually make doing that?   Can you make $10 an hour or more selling lemonades? Can you think of another way you could do it? What’s the most money you think you could make per hour selling lemonade?   These questions…

ZoomDetails

Which Peanuts Are The Best Deal?

6thBy Robert KaplinskyNovember 15, 20121 Comment

  You are going to a baseball game and you love to eat salted peanuts while watching the game.  You know that you can buy peanuts there, but you know it is cheaper to bring your own.  When you go to the grocery store to buy some, you see two choices: $3.59 for a 20…

←12←
Robert Kaplinsky
© 2010-2025 Glenrock Consulting, LLC. All rights reserved.
The RK logo, Empowered Problem Solving, and Ed Consultants Lab are the registered trademarks of Glenrock Consulting, LLC.
Terms and Conditions of Use | Privacy Policy | Disclaimer | Advertising Disclosure
Go to Top