Identifying the value of a digit based on its position in a numeral. Mentally adding and subtracting multiples of 10 or 1 to a 2-digit number. Comparing different ways of representing 2-digit numbers.

Ms. Knarr will teach the students of Teaching in Room 9 to recognize numbers without counting and understand the place value of three-digit numbers. / Julia Knarr, The Soulard School Aired 09/30/2020 ...