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?P – EC – PP19
Would your estimate of books in the pile be more or less than 120?P – EC – PP20
Would your estimate of books in the pile be less than 120?Page 171 of 334