Counting Although research exists for documenting number sense in the first year of life. These are laboratory studies that cannot be replicated in home visits or centers. For this reason, skills the first year of life have been omitted. 12-15 months 15-18 months 18-21 months 21-24 months 24-27 months 27-30 months Says numbers, 1,2 Knows a few Uses one-to-one Counts to two Counts first Counts 4 items in a but with no random numbers correspondence three count collection meaning when counting words two objects Recites numbers Demonstrates Counts using Demonstrates with no meaning basic several number one-to-one understanding of words, but not correspondence one-to-one necessarily in (give one to correspondence, order each person), by putting one or but doesn’t more items into know amount separate Understands the compartments concept of one
Counting Although research exists for documenting number sense in the first year of life. These are laboratory studies that cannot be replicated in home visits or centers. For this reason, skills the first year of life have been omitted. 12-15 months 15-18 months 18-21 months 21-24 months 24-27 months 27-30 months Says numbers, 1,2 but with no meaning Knows a few random numbers Uses one-to-one correspondence when counting two objects Counts to two Counts first three count words Counts 4 items in a collection Recites numbers with no meaning Demonstrates basic understanding of one-to-one correspondence, by putting one or more items into separate compartments Counts using several number words, but not necessarily in order Demonstrates one-to-one correspondence (give one to each person), but doesn’t know amount Understands the concept of one
Progressions%20at%20a%20glance.docx