Skill Progression 1-2 months 2-4 months 4-6 months 6-8 months 8-10 months 10-12 months Composing Although research exists for documenting number sense in the first year of life. These are laboratory studies that cannot be and replicated in home visits or centers. For this reason, skills the first year of life have been omitted. decomposing 12-15 months 15-18 months 18-21 months 21-24 months 24-27 months 27-30 months number No observable skills. 30-33 months 33-36 months 36- 42 months 42 -48 months 48-54 months 54-60 months Examines a group Combines or Uses graphics to Adds two sets of Counts all in two Breaks up a total of up to four takes away from a add small objects up to 5 number sets by number of objects in items and creates set to make a set numbers by adding on from many different another group of of up to three drawing pictures, the first set combinations to make the same amount objects then counting up the whole set (up to to 3 items 10) Mentally thinks Uses graphics to Adds the total of two that if you give add and subtract same or different sets him one more small numbers of objects up to as he’ll have two; high as the child can and if he has two count items and you Writes numbers Compares sets of take one away objects to find the he’ll have one left difference in amount Solves take-away problems by separating a set of concrete objects from the total amount and counting the remainder Finds how many objects need to be added to a set to get a specific total
Skill Progression 1-2 months 2-4 months 4-6 months 6-8 months 8-10 months 10-12 months Composing and decomposing number 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 No observable skills. 30-33 months 33-36 months 36- 42 months 42 -48 months 48-54 months 54-60 months Examines a group of up to four items and creates another group of the same amount Combines or takes away from a set to make a set of up to three objects Uses graphics to add small numbers by drawing pictures, then counting up to 3 items Adds two sets of objects up to 5 Counts all in two number sets by adding on from the first set Breaks up a total number of objects in many different combinations to make the whole set (up to 10) Mentally thinks that if you give him one more he’ll have two; and if he has two items and you take one away he’ll have one left Uses graphics to add and subtract small numbers Adds the total of two same or different sets of objects up to as high as the child can count Writes numbers Compares sets of objects to find the difference in amount Solves take-away problems by separating a set of concrete objects from the total amount and counting the remainder Finds how many objects need to be added to a set to get a specific total
Progressions%20at%20a%20glance.docx