P – EC – PP39
True or False? There are more than 100 animals in the picture.P – EC – PP40
True or False? There are about 1000 animals in the picture.P – EC – PP29
What would you use as a reference to estimate the number of books in the pile?P – EC – PP30
Would a better referent be 10 or 50 for estimating the number of animals?Page 226 of 307