P – EC – OE12
What would you use as a referent if you had to estimate the number of students on a bus?P – EC – OE13
What could you be estimating if your referent is 5?P – EC – OE14
What could you be estimating if your referent is 10?P – EC – OE1
What would you use as a referent to estimate the Length of the hallway?Page 107 of 139