2oa3 Worksheets

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Operations and Algebraic Thinking Work with equal groups of objects to gain foundations for multiplication. 3Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

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Creating Even Equations

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Practice making addition equations that add up to an even number.

2oa3 Worksheets - Finding Even or Odd (visual) worksheet

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Finding Even or Odd (visual)

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Count a group of shapes and decide if the total is even or odd.
Use pairing to see if every shape can be matched with a partner with none left over.
Explain even and odd using simple words like "pairs" and "one left."
Recognize that even numbers can be split into two equal groups and odd numbers cannot.