Illustrative Mathematics
Illustrative Mathematics: Buttons Odd and Even
The purpose of this task is for young scholars to determine whether a set of objects (up to 20) has an odd or even number of elements. Students will also write an equation to express an even number as a sum of two equal addends and an...
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Pep: Hit the Deck: A Collection of Math Games
This is a collection of math games ranging from Kindergarten to the upper elementary grades, using only an ordinary deck of playing cards. There are games covering addition, subtraction, multiplication, division, fractions, percents,...
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Mathebook.net: Elementary: Odd / Even
Students can test their knowledge of even and odd numbers with these interactive practice problems.