P – EC – PP31
Would your estimate of animals be more or less than 100?P – EC – PP32
Would your estimate of people in line be more or less than 200?P – EC – PP17
Would a better referent be 10 or 25 for estimating the number of books in the pile?P – EC – PP18
Would your estimate of books in the pile be more or less than 100?Page 228 of 307