Folder Free eBooks by Bob Albrecht

pdf The Incredible Doubling Lily Pad

168 downloads

This eBook is a fantasy about an old math problem involving a lily pad floating in a pond. The lily pad doubles in size each day or second or other time period and eventually covers the pond. Look for it on the Internet by using search keys such as 'lily pad pond double size'.

Fantasy #1. The lily pad doubles in size every day. In 30 days, the length of the lily pad's diameter grows to 27 times Earth's equatorial circumference, 2.79 times the distance of the Moon from Earth.

Fantasy #2.  The lily pad doubles in size every second. In 60 seconds, the length of the lily pad's diameter grows to 7.7 million AU (astronomical units), 122 ly (light years), farther than stars Alpha Centauri, Sirius, Castor, Pollux, Vega, Altair, and the stars of the Big Dipper. Astronomically awesome! There are more fantasies in this eBook.

Reality expands to fill the available fantasies.

document The Incredible Doubling Lily Pad

160 downloads

This eBook is a fantasy about an old math problem involving a lily pad floating in a pond. The lily pad doubles in size each day or second or other time period and eventually covers the pond. Look for it on the Internet by using search keys such as 'lily pad pond double size'.

Fantasy #1. The lily pad doubles in size every day. In 30 days, the length of the lily pad's diameter grows to 27 times Earth's equatorial circumference, 2.79 times the distance of the Moon from Earth.

Fantasy #2.  The lily pad doubles in size every second. In 60 seconds, the length of the lily pad's diameter grows to 7.7 million AU (astronomical units), 122 ly (light years), farther than stars Alpha Centauri, Sirius, Castor, Pollux, Vega, Altair, and the stars of the Big Dipper. Astronomically awesome! There are more fantasies in this eBook.

Reality expands to fill the available fantasies.

pdf Measurement & Modeling: Snoopy and the Red Baron

301 downloads

This eBook is intended for teachers, tutors, and others who help learners learn math and science. We think that measurement and modeling is

  • a big chunk of the foundation of math and science
  • a great way to teach math and science
  • a terrific tool/toy for integrating math and science

We once lived in Sonoma County, California, home of Charles Schulz, creator of PEANUTS and its characters Charlie Brown, Snoopy, Lucy, Linus, Schroeder, Peppermint Patty, et al. In this eBook, we reminisce and suggest playing with scale models of Snoopy's Sopworth Camel and Red Baron's Fokker Dr. 1 triplane.

Reality expands to fill the  available fantasies.

document Measurement & Modeling: Snoopy and the Red Baron

234 downloads

This eBook is intended for teachers, tutors, and others who help learners learn math and science. We think that measurement and modeling is

  • a big chunk of the foundation of math and science
  • a great way to teach math and science
  • a terrific tool/toy for integrating math and science

We once lived in Sonoma County, California, home of Charles Schulz, creator of PEANUTS and its characters Charlie Brown, Snoopy, Lucy, Linus, Schroeder, Peppermint Patty, et al. In this eBook, we reminisce and suggest playing with scale models of Snoopy's Sopworth Camel and Red Baron's Fokker Dr. 1 triplane.

Reality expands to fill the  available fantasies.

pdf Dice Probabilities & Statistics 02

386 downloads

If we were on a team to create math standards, we would lobby for probability and statistics as two of the most important and useful math topics for every student at  every grade level. As you go through life, you are bombarded by data, data, data, and will make multitudes of probability decisions. How do you choose the better choice? Know and apply your knowledge of probability and statistics.
 
This eBook is intended for teachers, tutors, and others who help learners learn math. It explores probabilities and statistics related to rolling one digit die (1DD) with faces labeled 0 to 9 or two digit dice 2DD).

This eBook has 229 probability and statistics activities with answers.

   Roll 1DD: 35 probability and statistics activities with answers

   Roll 2DD: 194 probability and statistics activities with answer 

Reality expands to fill the available fantasies.

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