P – EC – OE12
What would you use as a referent if you had to estimate the number of students on a bus?P – EC – WP11
Students were asked to estimate how many cars were in the parking lot. Sammy said her estimate was 50. She used 5 as a referent, and skip counted by five 10 times. Sammy said there were about five cars in each row and there were about 10 rows. Is Sammy’s...P – EC – OE13
What could you be estimating if your referent is 5?P – EC – WP12
Students were asked to estimate how many cars drove by the school during lunch. Marsha said her estimate was 20. She used 5 as a referent, and skip counted by five 4 times. Sammy said that five cars went by during the first 5 minutes of lunch and there were 20 minutes...Page 7 of 27