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学生说明
1) Click 
to begin.
2) Use the 
tool to decide if the statement is true or false.
3) Click 
when you're done.
老師便條 (學生不可見)
Level 4: I can find objects that are about the same as a given total units of length. Level 3: I can measure the length of an object as a whole number of same-size, non-standard units from end to end. *I can understand essential vocabulary, such as: Length, Unit *I can count and tell how many objects to 20. *I can identify length. *I can recognize the unit measure. *I can line up the end of the unit with the end of the object to start measuring. *I can line up units without spaces. *I can count total units for the length of the object.
