About This Lesson
Lessons include: Recognize four-digit numbers as combinations of thousands, hundreds, tens and units; Compare and order four-digit numbers; Round to the nearest 1,000; Round to the nearest 1000, 100 or 10; Count on in units from a four-digit number; Count back in units from a four-digit number; Count on in tens from a four-digit number; Add a multiple of 10 to a four-digit number; Count back in tens from a four-digit number; Subtract a multiple of 10 from a four-digit number; Count on in hundreds from a four-digit number; Add a multiple of 100 to a four-digit number; Count back in hundreds from a four-digit number; Subtract a multiple of 100 from a four-digit number; Count on in thousands from a four-digit number (within 10,000); Count back in thousands from a four-digit number (within 10,000); Add or subtract multiples of 100 beyond 1000