Harmony Math Blog
Blogging about math in Mrs. McCormack's 1st grade class.
Sunday, March 17, 2013
We just completed a big adventure and exploration of a land far away from Vermont with birds that do NOT fly! Can you guess where and what we were learning about? If you guessed Penguins, you guessed correctly! In our classroom we took a "trip" to Antarctica to learn about all different kinds of penguins! We read books, poems, weighed, measured and collected a lot of data about each kind of penguin. We learning about the Rockhopper, Gentoo, Chinstrap, King, Little Blue and Emperor penguins! Ask your mathematicians at home to tell you all about them. Their penguins folders were just sent home filled with all of their data and information.
On Friday we practiced our number sense and operations with rekenreks on the iPads! Everyone really enjoyed working in partnerships, creating a number on the rekenrek and then asking their partner "how many are hidden?" Students had to justify their answer and practiced two numbers to make 10 or 20 or even more!
Sunday, December 23, 2012
Rekenreks
Thursday, December 13, 2012
Using ipads to explore number sense
The students used iPads to explore numbers, addition and subtraction today. We used an app called Multi-Touch Math, which allows the user to solve different number sentences with a given set of numbers. We also used tangrams and geo boards to learn more about patterns and shapes.
Friday, November 30, 2012
Goldfish math
Today, first grade mathematicians explored subtraction with real goldfish crackers! We had so much fun learning our subtraction facts while using our problem-solving skills together. Ask your child to explain how we used pictures, diagrams and number sentences to solve subtraction problems.
Perhaps you can try it at home too?
Friday, November 16, 2012
Chunking by 5s and 10s
Thursday, November 15, 2012
Discovering math conjectures
Our 1st grade mathematicians are making incredible conjectures, generalizations, in class. As we explore numbers together, they are starting to see the similarities and differences between different number patterns. For example, through our daily explorations of number sentences representing the days in school, the students have started to discover the patterns of even and odd numbers. Please see our attached picture. Can you check on these generalizations at home and see if other number sentences also fit this pattern?