files/ JackL712 -- Blogmeister
 Everything About Math! This blog is a place for fifth graders in Grand Forks, ND to share their thinking about math. The purpose of our blog is to communicate our learning through authentic interaction. We hope you will visit our page often and respond to our writing, thinking process, and problem solving.
 by JackL712 teacher: Alice Smith

Blog Entries
 5/14 Civil War Numbers 5/7 Multiplying Fractions 4/30 Solving Equations 4/18 Order in the Court!!! 4/18 Positive and Negative numbers 4/12 Connect 3 4/2 Blog Review 3/29 Awesome Site!!! 3/19 More Fraction Fun! 3/7 Magic Pen 2/22 The Best Fraction Problem! 2/15 Short Term Memory 2/8 Light Blue, Dark Blue 1/31 Fraction Flower 1/23 Fractions & Decimals & Percents... Oh my! 1/9 Warm Up! 1/3 Sliding Puzzle/Changing Places 12/12 More Angle Mania!!! 12/12 Pool Game 12/5 Tessellations 11/28 Eyeballing Game 11/21 Angle Mania!!!! 11/14 Measuring Angles 11/7 Drawing Cubes 10/24 Big Numbers 10/17 Reaction Times List 25, 50, all

Light Blue, Dark Blue When you look at this problem you have to think about fractions and multiplication. You also have to think about patterns in the fractions and pictures. For example, what it gives you is 1/1, 2/3, 4/9, 8/27, and 16/81. When you look at the numerators, you can see that 1x2=2. Then when you take 2 and multiply it by 2 you get 4 (2x2=4). Remember that you multiply every numerator by 2! Then when you take 4x2, you get an answer of 8. You just need to know that you multiply every numerator by 2 and you could keep going to infinity and beyond. When you look at the denominators, you multiply everything by 3, for example, when you have 1/1 or 1 whole you take 1 (the denominator) and multiply it by 3 to get three (1x3=3). You could use that same algorithm to get large numbers like 64/729. What I'm going to try to do is get some large numbers and share them with you on my blog.

Article posted February 8, 2012 at 10:48 AM • comment • Reads 79 • see all articles