Saturday, November 3, 2012
Math Update
The children practiced creating a number using ones, tens, and hundreds cubes. They enhanced the concept by finding multiple ways to show the number by breaking the tens “rods” into ones. This skill is laying the foundation for “borrowing” and “carrying,” also known as “trading” in addition and subtraction.
We also practiced gathering data as we counted our pockets during class. The children recorded our class data with tally marks on a table in their math journals, and they drew a bar graph and picture graph to show the number of pockets of the children in our class. They were easily able to determine which number was the most common. We then stood up and sorted ourselves in order according to the number of pockets we had- starting with the lowest number (O) up to the highest number (6)! We noticed that our range was 6 pockets. The children on either end of the line sat down little by little until we were left with one student in the middle. It was Joe! He had 2 pockets. We learned that the MEDIAN, or average, number of pockets in our class was 2!
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