lesson
Even Plus Even Equals Even
Add two even numbers and show that the sum is always even using drawings.

Add two even numbers and show that the sum is always even using drawings.
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8 lessons
Develop understanding of even and odd numbers through pairing models, explore addition and skip-counting patterns, and apply equal-groups reasoning to word problems.
analyze mathematical relationships to connect and communicate mathematical ideas; and
display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.