Focus on Math

Helping children become mathematicians!

100 Day! February 16, 2012

It is that time of year again when primary classes are celebrating the 100th day of the school year. Many primary teachers count the days of school each day in their “calendar” time with children, creating groups of tens with straws, Popsicle sticks, 10 frames or such. So it is a “bid deal” when there are finally 10 groups of 10 to make 100.

I have been part of a math collaboration group with teachers at Alwin Holland Elementary School here in Fort St John, and today they were celebrating 100 day. I joined in one of the activities that students rotated through in groups. Mrs. Hollman and I had arranged for students to make “Fruit Loop necklaces” by stringing the cereal “o’s”. In order for the students to keep track of how many they had put on their strings, we had them string 10 of a single colour, then switch to a different colour for the next 10. The floor was crunchy with crushed cereal by the time all four groups had cycled through, but it was a delightful afternoon! I am sure all of the other stations were equally successful.

And remember, if you have missed counting school days, you can still catch up by counting days in the calendar year. The 100th day this year will be April 9th since it is a leap year! For older students it would be a great day to focus on hundredths and percents.

For more ideas about what kinds of things to do for 100 day, check my blog from last April 5 and 7.

Mathematically yours,


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