Description: A Teaching Sequence Toward Mastery of The Meaning of Even and Odd Numbers. Relate doubles to even numbers, and write number sentences to express the sums. Pair objects and skip-count to relate to even numbers. Investigate the pattern of even numbers: 0, 2, 4, 6, and 8 in the ones place, and relate to odd numbers. Use rectangular arrays to investigate odd and even numbers.*Teacher Advisor is 100% free.