Karyn's Blog

The Artistic Side of Math – Tessellations

April 20, 2012 Karyn Comments 0 Comment

I love M.C. Escher! I have a whole book on his work and love to share it with my students when we’re studying angle measurement. That’s because we’re going to tie math and art together through modifying polygons similar to how M.C. Escher did it in some of his paintings. It’s all about tessellating shapes and angles. Using pattern blocks, I show students how shapes tessellate. See photo below. Then, I have students determine the angle measurement of each of…

Math Around Us: Parallel Lines

April 18, 2012 Karyn Comments 0 Comment

One of the best ways to teach students geometry vocabulary is to simply look around our environment. For example, if you want students to understand parallel lines, pair them up and hand them an individual white board and take a stroll around the school. Have them write down all the parallel lines they see. Here are two examples of parallel lines in our environment. Check out all the parallel lines in the door, the windows, the bookshelf, even the light…

Plotting Ordered Pairs in First Grade!

April 10, 2012 Karyn Comments 0 Comment

This is a super fun activity I did in first grade. I glued a magnet on to a plastic fly my kids had in their insect collection. Then I read the story The Fly on the Ceiling to a group of first graders. I used my plastic fly to plot the points on the grid as I read the story. But the best part was when I had students create points for each other to plot. They absolutely LOVED that!

How to Use Rectangular Arrays to Teach Multiplication, Factors, Composites, Primes, Squares

February 27, 2012 Karyn Comments 0 Comment

Watchthe video below to see how simple objects like tiles, stickers, rubber stamps, dice, and graph paper help teach students important concepts in number theory: factors, primes, composites, and square numbers…not to mention the great reinforcement of multiplication facts. Grades 2 – 5 CCSS: 2.OA.4; 2.NBT.2; 3.OA.1; 3.OA.3; 3.OA.5; 3.OA.7; 4.OA.1; 4.OA.4

Skip counting – Multiples of 2

February 17, 2012 Karyn Comments 0 Comment

Students use sticky dots to create a caterpillar with a head and 10 body parts. They add eyes, a mouth, and antennae to the head. Then they add two legs to each body part. Finally, they skip count by 2s and write in the number. For the younger ones, I provide a 0-110 number chart for them to use as they write in the numbers. . . . Oops…I didn’t catch this one in time. Her caterpillar is skip counting…