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CONCEPTS IN BABIES AND LITTLE CHILDREN
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added adult Alfred Binet algorithm altogether arithmetic problems assimilate behavior Bob and George calculation child children learn collection computation concepts concrete conservation Cornell University counting methods counting numbers Cuisenaire rods cultural Deborah difficulty digits dots environment example Figure finger counting five formal knowledge four help children informal arithmetic informal knowledge informal mathematics interpret interviewer asked interviewer's invented procedures involved Ivory Coast Jane Jennifer Kathy Kpelle larger number learn to count lined up numbers math mean mistakes multiplication natural environment number facts number words paper Patty perceive perhaps Piaget place value practical arithmetic psychology real objects Rebecca result rules say the number second grader seemed seven showed simple small numbers solve spontaneous Stacy standard tests strategies Suppose tallies teacher teaching techniques third grader tion Trika understand unschooled write written numbers written symbolism wrote young children zero