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?P – EC – OE2
What would you use as a referent to estimate how tall the classroom is?Page 72 of 139