P – EC – PP29
What would you use as a reference to estimate the number of books in the pile?P – EC – WP5
The school science club was interested in watching the different kinds of birds flying over the playground. What size of referent would you use if you were asked to estimate the total number of birds flying in the picture...P – EC – PP30
Would a better referent be 10 or 50 for estimating the number of animals?P – EC – WP6
The school science club was interested in watching the different kinds of birds flying over the playground. Estimate how many birds are flying in the picture below?Page 18 of 27