Place value (the value indicated by where a digit is in a multi-digit number, e.g.: units, tens, hundreds) is one of the keystone concepts in children’s math education. An understanding of place value is necessary for carrying out operations like addition and subtraction with numbers that exceed a single digit. For decades, educators have based their math curricula on the idea that place value is too difficult for most preschoolers to understand.
How important is parental support in children's math development? Sylvia Tobin, a Kindergarten teacher with 28 years of experience, gives us the low-down on how to set kids up for a lifetime of success in math.