3V1013.1

3V1013.01 One to one correspondence (10/29/80) I found Peggy with the Train book, looking at a diagram of a locomotive. She was pointing to the numbers (denoting parts that were described below) and reciting random letters of the alphabet, one to each number: “B…E…K…D…” when I approached to see what she was doing, she pointed …

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3V1011.1

3V1011.01 Jumping Jacks and Counting (10/27/80) Peggy sometimes goes to gymnastics make up classes with Miriam. She has seen the girls do jumping jacks and counting them. Whenever she feels full of energy, Peggy is as likely to break into jumping jacks as any other activity. Usually Peggy counts, but with the numbers 16 and …

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3V1010.2

3V1010.02 Singing (10/26/80) Peggy’s favorite song is “The fox went out on a chilly night.” This is her first song, (in the sense of having parts well enough known for her to begin singing). Her original version interleaved two lines, “The fox went out on a chilly night” and “town-o, town-o…(repeated a variable number of …

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3V1010.1

3V1010.01 Playing with coins: progressive discrimination (10/26/80) After P143 (where we played with many coins) Peggy found the pile of change and asked me to join her in playing with them on the floor. As we did so, Peggy separated them and said, “I’m picking the big pennies out and putting them on the floor.” …

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