 Follow Musings of a Mathematical Mom on WordPress.com
Search Blog

Recent Posts
 Skip counting or word skipping? June 25, 2017
 Numicon – combining geometry and arithmetic June 22, 2017
 Discussing the meaning of “almost” with an 8 year old June 2, 2017
 From mathhater to mathematician and computer scientist: The story of Allison Bishop June 1, 2017
 A number talk that turned into an investigation May 26, 2017
Archives
Follow me on Twitter
My TweetsTags
#mathed #tmwyk 2 years old 2nd grade 3 years old 3rd grade 4 years old 4th grade 5 years old 6 years old 7 years old 8 years old addition algorithms amusing conversation amusing discussion amusing story arithmetic art big numbers books brainteasers building class combinatorics cool games for kids counting discussion division dolls drawing functions fun math games general teaching geometry Golden Key Russian School graph theory group activity guest post handson activity interview jane kats Kindergarten learning from kids learning games for kids lesson little kids logic Main Line Classical Academy manipulatives mathematical art math festival math history math play math with little kids measurement multiplication not math parity patterns philosophical place value prime numbers problem solving puzzle puzzles sets skip counting story math subtraction symmetry time visual puzzles what is mathBlogs I Follow
 Mike's Math Page
 Math Minds
 Becoming the Math Teacher You Wish You'd Had
 Handson physics for kids of all ages
 MATH and SCIENCE with my KIDS
 Talking Math with Your Kids
 Natural Math
 Новости Мышкиного Дома
 Musings of a Mathematical Mom
 ШКОЛЬНЫЙ БЛОГ: Русская Школа "Золотой Ключик" в Филадельфии SCHOOL BLOG Golden Key Russian School in Philadelphia
Tag Archives: prime numbers
Just how many prime numbers are there?
Over the past few months, my 4th and 5th graders had a number of opportunities to explore prime numbers and factoring – they drew factor trees, discovered divisibility rules, played Prime Climb, and more. Last Sunday, I decided that they … Continue reading
Posted in Uncategorized
Tagged 4th grade, 5th grade, arithmetic, Euclid, factoring, prime numbers, proof
3 Comments
Factor “trees”
Recently, we had a few lessons on prime numbers and factoring with my 4th and 5th graders. Inspired by the beautiful drawings in this post, I had my students draw their own factor trees. Actually, most of their creations can only … Continue reading
Posted in Uncategorized
Tagged factoring, fun math, Golden Key Russian School, mathematical art, prime numbers
3 Comments
Rectangular Numbers?
A few days ago Katie and I played the following game: one of us would say a number and the other one would have to make a rectangle out of that many squares (actually we used the board and chips … Continue reading
Posted in Uncategorized
Tagged arithmetic, division, fun discussion, fun math, multiplication, prime numbers
2 Comments