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 – PP3
What would you use as a referent to estimate the number of people in line?P – EC – PP4
Would a better referent be 5 or 10 for estimating the number of people in line?Page 232 of 307